Q1. If X and Y are the two digits of the number 347XY such ...
12
1 www.bankersadda.com | www.sscadda.com | www.careerpower.in | www.adda247.com Q1. If X and Y are the two digits of the number 347XY such that the number is completely divisible by 80, then what is the value of X + Y? यदि संया 347XY के X और Y िो अंक है, इस कार संया 80 से पूणतः विभावित हो िाती है, X + Y का मान या है? (a) 2 (b) 4 (c) 6 (d) 8 Q2. A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6 days before the work was completed. C completed the remaining work alone. In how many days was the total work completed? A, B और C एक कायण को मशः 20, 24 और 30 दिन म पूरा कर सकते ह। इनम से सभी वमलकर कायण शुऱ करते ह लेदकन 4 दिन बाि A कायण छोड़ िेता है और B कायण पूरा होने से 6 दिन पहले कायण को छोड़ िेता है। C अकेले शेष कायण को पूरा करता है। पूण कायण दकतने दिन म पूरा आ था? (a) 10 (b) 12 (c) 14 (d) 16 Q3. A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm²) in the total surface area? एक 17.5 सेमी ास िाले एक ठोस गोले को िो बराबर भाग म बांटा िाता है। कुल पृीय ेफल म दकतनी िृवि होगी? (a) 289 (b) 361.5 (c) 481.25 (d) 962.5 Q4. After a discount of 34% an article is sold for Rs 3168. What is the marked price (in Rs) of the article? 34% की छूट के बाि एक ितु 3168 र. पर बेचा िाता है। ितु का अंदकत मूय दकतना है? (a) 4750 (b) 4800 (c) 4850 (d) 5000
Transcript of Q1. If X and Y are the two digits of the number 347XY such ...
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Q1. If X and Y are the two digits of the number 347XY such that the number is completely divisible
by 80, then what is the value of X + Y?
347XY X Y , 80 , X + Y ?
(a) 2
(b) 4
(c) 6
(d) 8
Q2. A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts
together but after 4 days A leaves the job and B left the job 6 days before the work was completed.
C completed the remaining work alone. In how many days was the total work completed?
A, B C 20, 24 30 4
A B 6 C
?
(a) 10
(b) 12
(c) 14
(d) 16
Q3. A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in
cm²) in the total surface area?
17.5 ?
(a) 289
(b) 361.5
(c) 481.25
(d) 962.5
Q4. After a discount of 34% an article is sold for Rs 3168. What
is the marked price (in Rs) of the article?
34% 3168 .
?
(a) 4750
(b) 4800
(c) 4850
(d) 5000
Q5.
(a) 12 : 77
(b) 12 : 33
(c) 28 : 33
(d) 3 : 28
Q6. The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9
results is 65, then what will be the value of result?
17 60 9 57 9 65 , 9
?
(a) 39
(b) 78
(c) 117
(d) 156
Q7. For an article the profit is 170% of the cost price. If the cost price increases by 20% but the
selling price remains same, then what is the new profit percentage?
170% 20% ,
?
(a) 41
(b) 50
(c) 75
(d) 125
Q8. 32% of a number exceeds 17% of the same number by 120. What is the value of the number?
32%, 17% 120 ?
(a) 900
(b) 860
(c) 940
(d) 800
Q9. A boat goes 15 km upstream and 10
km downstream in 3 hours 15 minutes. It goes 12 km
upstream and 14 km downstream in 3 hours. What is the speed of the boat in still water?
3 15 15 10
3 12
14
(a) 4
(b) 6
(c) 10
(d) 14
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Q10. A person lent certain sum of money at 5% per annum simple interest and in 15 years the
interest amounted to Rs 250 less than the sum lent. What was the sum lent (in Rs)?
5% 15
250 ( ) ?
(a) 1000
(b) 1500
(c) 2400
(d) 3000
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Q14. There are 850 students in a class. Out of these, 44% are Muslims, 28% are Hindus, 10% are
Sikhs and remaining students belong to the other communities. How many students are there of
other communities?
850 . 44% , 28% , 10% .
?
(a) 173
(b) 143
(c) 153
(d) 163
Q15. The average age of 11 players of a cricket team is increased by 2 months when two of them
ages 18 years and 20 years are replaced by two new players. The average age of the new players is
11 2 18 20
.
(a) 19 years 1 month/19 1
(b) 19 years 6 month/19 6
(c) 19 years 11 month/19 11
(d) 19 years 5 month/19 5
Q16. What is the quotient when 7251 is divided by 66?
7251 66 ?
(a) 110
(b) 109
(c) 111
(d) 112
Q17. Asif is twice as good as workman as Bashir and together they finish a piece of work in 30
days. In how many days will Asif alone finish the work?
30 .
?
(a) 90
(b) 45
(c) 60
(d) 75
Q18. What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?
25 24 ?
(a) 186
(b) 144
(c) 132
(d) 168
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Q19. A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling
price (in Rs) if the cost price is Rs 1600?
60% 25% . 1600
( ) ?
(a) 1920
(b) 2000
(c) 2120
(d) 2200
Q20. What number should be added to each of the numbers 55, 100, 65 and 116, so that the
resulting numbers are in continued proportion?
55, 100, 65 116 , ?
(a) 20
(b) 10
(c) 5
(d) 15
Q21. A batsman makes a score of 111 runs in the 10th match and thus increases his average runs
per match by 5. What will be his average after the 10th match?
10 111 5 . 10
?
(a) 66
(b) 61
(c) 62
(d) 64
Q22. A vendor buys 6 bananas for Rs 25 and sells them at 3 for Rs 20. What is his profit
percentage?
25 6 20 3 . ?
(a) 50
(b) 40
(c) 60
(d) 30
Q23. Two labourers A and B are paid a total of Rs 650 per day. If
A is paid 160 percent of what is paid to B, how much (in Rs) is B
paid?
A B 650 . A
B 160 , B ( )
?
(a) 250
(b) 400
(c) 350
(d) 450
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Q24. A man travelled a distance of 60 km in 7 hours. He travelled partly on foot @ 6 km/hr and
partly on bicycle @ 12 km/hr. What is the distance (in kms) travelled on foot?
7 60 . @ 6 ..
@ 12 . . . (. . ) ?
(a) 15
(b) 9
(c) 48
(d) 24
Q25. The compound interest earned in two years at 12% per annum is Rs 10176. What is the sum
(in Rs) invested?
12% 10176 . ?
(a) 50000
(b) 60000
(c) 40000
(d) 80000
(a) 5
(b) 8
(c) 2
(d) –8
Q28. Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?
73/20 . ?
(a) 4/5
(b) 9/4
(c) 4/9
(d) 5/4
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Q29. What is the sum of the first 11 terms of an arithmetic
progression. If the 4th term is 11 and the 7th term is –4?
11 , 11
-4 .
(a) –75
Q30.
(a)
(b)
(c)
(d)
Q31. In a test a student got 30% marks and failed by 25 marks. In the same test another student
got 40% marks and secured 25% marks more than the essential minimum pass marks. The maximum pass marks for the test were:
30% 25 . 40%
25% . ?
(a) 400 (b) 480
(c) 500 (d) 580
Q32. Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound
interest on Rs. 16000 for 2 years at 10% per annum. The sum placed on simple interest is:
8% 3 , 16000 10% 2
:
(a) Rs 14000
(b) Rs 3500
(c) Rs 7000
(d) Rs 5600
Q33. A student scored 32% marks in science subject out of 300. How much should he score in
language paper out of 200 if he is to get overall 46% marks?
300 32% . 46%
200 ?
(a) 72%
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Q34. Ram spends 40% of his salary on food, 20% on house rent, 10% on entertainment and 10%
on conveyance. If his savings at the end of a month are Rs 1500, then his salary per month (in Rs)
is:
40% , 20%, 10% 10%
. 1500 , ( ) :
(a) Rs 8000/8000
(b) Rs 7500/7500
(c) Rs 6000/6000
(d) Rs 10000/10000
Q35. A man had a certain amount with him. He spent 20% of that to buy an article and 5% of the
remaining on transport. Then he gifted Rs. 120. If he is left with Rs. 1,400, the amount he spent on
transport is?
. 20% 5%
. 120 . 1400 , ?
(a) Rs 76/76
(b) Rs 61/61
(c) Rs 95/95
(d) Rs 80/80
Q36. Prachi starts from Barabanki at 6 am at constant speed of 60 km/hr. She halts at Lucknow for
half an hour and then drives at 40 km/hr. If she reaches Kanpur at 9:30 am, which is 160 km from
Barabanki, how far is Barabanki from Lucknow?
6 60 /
40 / 9:30 , 160
, ?
(a) 75 km/ 75
(b) 80 km/ 80
(c) 100 km/ 100
(d) 120 km/ 120
Q37. A district has 64000 inhabitants. If the population increases at the rate of 2
% per annum,
the number of inhabitants at the end of 3 years will be :
64000 . 2
% , 3
?
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Q38. The value of a machine is Rs. 6,250. It decreases by 10% during the first year, 20% during
the second year and 30% during the third year. What will be the value of the machine after 3
years?
6,250 . 10% , 20%
30% . 3 ?
(a) Rs 2,650/
(b) Rs 3,050/
(c) Rs 3,150/
(d) Rs 3,510/
Q39. 75 gm of sugar solution has 30% sugar in it. Then the quantity of sugar that should be added
to the solution to make the quantity of the sugar 70% in the solution is :
75 30% . 70%
?
(a) 125 gm/
(b) 100 gm/
(c) 120 gm/
(d) 130 gm/
Q40. The expenses of rice, fish and oil of a family are in the ratio 12 : 17 : 3. The price of these
articles are increased by 20%, 30% and 50% respectively. The total expenses of family on these
articles are increased by :
, 12: 17: 3 . : 20%, 30% 50%
. :
(a) 14 1
(d) None of these/
Q41. Two donkeys are standing 400 metres apart. First donkey can run at a speed of 3 m/sec and
the second can run at 2 m/sec. If two donkeys run towards each other after how much time (in
sec) will they bump into each other?
400 . 3 / 2/
. ?
(a) 60
(b) 80
(c) 400
(d) 40
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Q42. A and B are two fixed points 5 cm apart and C is a point on
AB such that AC is 3 cm. If the length of AC is increased by 6%,
the length of CB is decreased by:
A B 5
3
A B 5 C, AB AC 3
. AC 6% , CB
?
(a) 6%
(b) 7%
(c) 8%
(d) 9%
Q43. In an examination in which full marks were 500. A got 25% more than C, C got 20% less than
D. If A got 360 marks. What percentage of full marks was obtained by D?
500 . A C 25% , C D 20% .
A 360 . D ?
(a) 72%
(b) 80%
(c) 50%
(d) 60%
Q44. The population of a town is 3,11,250. The ratio of women to men is 43 : 40. If there are 24%
literate among women and 10% illiterate, among men, the total number of literate persons in the
town is
3, 11, 250 . 43 : 40 . 24%
10% :
(a) 1,70,700
(b) 1,73,700
(c) 1,75,700
(d) 1,73,200
Q45. The population of a village is 25,000. One-fifth are females and the rest are males, 5% of
males and 40% of females are uneducated. What percentage on the whole are educated?
25,000 . , 5% 40%
. ?
(a) 75%
(b) 88%
(c) 55%
(d) 85%
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Q46. Aditya covered a certain distance at some speed. Had he moved 3 km/h faster he would have
taken 40 minute less. If he had moved 2 km/h slower, he would have taken 40 minutes more. The
distance is:
. 3 40 .
2 40 . ?
(a) 40
(b) 35
(c) 49
(d) 45
Q47. A bus takes 15 hours to go from Delhi to Chandigarh. Bus go one-third time with speed of 80
km/h. 40% of rest time with speed of 70 km/h. 2/3rd of rest of time with speed of 85 km/h rest
with speed of 100 km/h. What is the distance that cover by bus?
15 . 80 / .
40% 70 / , 85 /
100 / . ?
(a) 1200
(b) 860
(c) 1120
(d) 1220
Q48. In a race of one kilometer, A gives B a start of 100 metres and still wins by 20 seconds. But if
A gives B a start of 25 seconds, B wins by 50 metres. The time taken by A to run one kilometer is:
, A, B 100 20 . A, B
25 , B 50 . A :
(a) 500/29 seconds
(b) 1200/29 second
(c) 800/29 seconds
(d) 700/29 seconds
Q49. A man covers a certain distance between his house and office on scooter. Having an average
speed of 30 km/hr, he is late by 10 min. However, with a speed of 40 km/hr, he reaches his office 5
min earlier. Find the distance between his house and office.
. 30 /
, 10 . , 40 / , 5
. .
(a) 20 km
(b) 25 km
(c) 30 km
(d) 35 km
Q50. The distance between two stations, Delhi and Amritsar, is
450 km. A train starts at 4 p.m. from Delhi and moves towards
Amritsar at an average speed of 60 km/hr. Another train starts
from Amritsar at 3.20 p.m. and moves towards Delhi at an
average speed of 80 km/hr. At what time will the two trains
meet?
, 450 . 4 p.m.
60 /
. 3:20
80 / .
, ?
(a) 5.30 p.m.
(b) 5.50 a.m.
(c) 6.50 p.m.
(d) 6.30 a.m.
Q1. If X and Y are the two digits of the number 347XY such that the number is completely divisible
by 80, then what is the value of X + Y?
347XY X Y , 80 , X + Y ?
(a) 2
(b) 4
(c) 6
(d) 8
Q2. A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts
together but after 4 days A leaves the job and B left the job 6 days before the work was completed.
C completed the remaining work alone. In how many days was the total work completed?
A, B C 20, 24 30 4
A B 6 C
?
(a) 10
(b) 12
(c) 14
(d) 16
Q3. A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in
cm²) in the total surface area?
17.5 ?
(a) 289
(b) 361.5
(c) 481.25
(d) 962.5
Q4. After a discount of 34% an article is sold for Rs 3168. What
is the marked price (in Rs) of the article?
34% 3168 .
?
(a) 4750
(b) 4800
(c) 4850
(d) 5000
Q5.
(a) 12 : 77
(b) 12 : 33
(c) 28 : 33
(d) 3 : 28
Q6. The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9
results is 65, then what will be the value of result?
17 60 9 57 9 65 , 9
?
(a) 39
(b) 78
(c) 117
(d) 156
Q7. For an article the profit is 170% of the cost price. If the cost price increases by 20% but the
selling price remains same, then what is the new profit percentage?
170% 20% ,
?
(a) 41
(b) 50
(c) 75
(d) 125
Q8. 32% of a number exceeds 17% of the same number by 120. What is the value of the number?
32%, 17% 120 ?
(a) 900
(b) 860
(c) 940
(d) 800
Q9. A boat goes 15 km upstream and 10
km downstream in 3 hours 15 minutes. It goes 12 km
upstream and 14 km downstream in 3 hours. What is the speed of the boat in still water?
3 15 15 10
3 12
14
(a) 4
(b) 6
(c) 10
(d) 14
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Q10. A person lent certain sum of money at 5% per annum simple interest and in 15 years the
interest amounted to Rs 250 less than the sum lent. What was the sum lent (in Rs)?
5% 15
250 ( ) ?
(a) 1000
(b) 1500
(c) 2400
(d) 3000
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Q14. There are 850 students in a class. Out of these, 44% are Muslims, 28% are Hindus, 10% are
Sikhs and remaining students belong to the other communities. How many students are there of
other communities?
850 . 44% , 28% , 10% .
?
(a) 173
(b) 143
(c) 153
(d) 163
Q15. The average age of 11 players of a cricket team is increased by 2 months when two of them
ages 18 years and 20 years are replaced by two new players. The average age of the new players is
11 2 18 20
.
(a) 19 years 1 month/19 1
(b) 19 years 6 month/19 6
(c) 19 years 11 month/19 11
(d) 19 years 5 month/19 5
Q16. What is the quotient when 7251 is divided by 66?
7251 66 ?
(a) 110
(b) 109
(c) 111
(d) 112
Q17. Asif is twice as good as workman as Bashir and together they finish a piece of work in 30
days. In how many days will Asif alone finish the work?
30 .
?
(a) 90
(b) 45
(c) 60
(d) 75
Q18. What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?
25 24 ?
(a) 186
(b) 144
(c) 132
(d) 168
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Q19. A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling
price (in Rs) if the cost price is Rs 1600?
60% 25% . 1600
( ) ?
(a) 1920
(b) 2000
(c) 2120
(d) 2200
Q20. What number should be added to each of the numbers 55, 100, 65 and 116, so that the
resulting numbers are in continued proportion?
55, 100, 65 116 , ?
(a) 20
(b) 10
(c) 5
(d) 15
Q21. A batsman makes a score of 111 runs in the 10th match and thus increases his average runs
per match by 5. What will be his average after the 10th match?
10 111 5 . 10
?
(a) 66
(b) 61
(c) 62
(d) 64
Q22. A vendor buys 6 bananas for Rs 25 and sells them at 3 for Rs 20. What is his profit
percentage?
25 6 20 3 . ?
(a) 50
(b) 40
(c) 60
(d) 30
Q23. Two labourers A and B are paid a total of Rs 650 per day. If
A is paid 160 percent of what is paid to B, how much (in Rs) is B
paid?
A B 650 . A
B 160 , B ( )
?
(a) 250
(b) 400
(c) 350
(d) 450
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Q24. A man travelled a distance of 60 km in 7 hours. He travelled partly on foot @ 6 km/hr and
partly on bicycle @ 12 km/hr. What is the distance (in kms) travelled on foot?
7 60 . @ 6 ..
@ 12 . . . (. . ) ?
(a) 15
(b) 9
(c) 48
(d) 24
Q25. The compound interest earned in two years at 12% per annum is Rs 10176. What is the sum
(in Rs) invested?
12% 10176 . ?
(a) 50000
(b) 60000
(c) 40000
(d) 80000
(a) 5
(b) 8
(c) 2
(d) –8
Q28. Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?
73/20 . ?
(a) 4/5
(b) 9/4
(c) 4/9
(d) 5/4
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Q29. What is the sum of the first 11 terms of an arithmetic
progression. If the 4th term is 11 and the 7th term is –4?
11 , 11
-4 .
(a) –75
Q30.
(a)
(b)
(c)
(d)
Q31. In a test a student got 30% marks and failed by 25 marks. In the same test another student
got 40% marks and secured 25% marks more than the essential minimum pass marks. The maximum pass marks for the test were:
30% 25 . 40%
25% . ?
(a) 400 (b) 480
(c) 500 (d) 580
Q32. Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound
interest on Rs. 16000 for 2 years at 10% per annum. The sum placed on simple interest is:
8% 3 , 16000 10% 2
:
(a) Rs 14000
(b) Rs 3500
(c) Rs 7000
(d) Rs 5600
Q33. A student scored 32% marks in science subject out of 300. How much should he score in
language paper out of 200 if he is to get overall 46% marks?
300 32% . 46%
200 ?
(a) 72%
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Q34. Ram spends 40% of his salary on food, 20% on house rent, 10% on entertainment and 10%
on conveyance. If his savings at the end of a month are Rs 1500, then his salary per month (in Rs)
is:
40% , 20%, 10% 10%
. 1500 , ( ) :
(a) Rs 8000/8000
(b) Rs 7500/7500
(c) Rs 6000/6000
(d) Rs 10000/10000
Q35. A man had a certain amount with him. He spent 20% of that to buy an article and 5% of the
remaining on transport. Then he gifted Rs. 120. If he is left with Rs. 1,400, the amount he spent on
transport is?
. 20% 5%
. 120 . 1400 , ?
(a) Rs 76/76
(b) Rs 61/61
(c) Rs 95/95
(d) Rs 80/80
Q36. Prachi starts from Barabanki at 6 am at constant speed of 60 km/hr. She halts at Lucknow for
half an hour and then drives at 40 km/hr. If she reaches Kanpur at 9:30 am, which is 160 km from
Barabanki, how far is Barabanki from Lucknow?
6 60 /
40 / 9:30 , 160
, ?
(a) 75 km/ 75
(b) 80 km/ 80
(c) 100 km/ 100
(d) 120 km/ 120
Q37. A district has 64000 inhabitants. If the population increases at the rate of 2
% per annum,
the number of inhabitants at the end of 3 years will be :
64000 . 2
% , 3
?
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Q38. The value of a machine is Rs. 6,250. It decreases by 10% during the first year, 20% during
the second year and 30% during the third year. What will be the value of the machine after 3
years?
6,250 . 10% , 20%
30% . 3 ?
(a) Rs 2,650/
(b) Rs 3,050/
(c) Rs 3,150/
(d) Rs 3,510/
Q39. 75 gm of sugar solution has 30% sugar in it. Then the quantity of sugar that should be added
to the solution to make the quantity of the sugar 70% in the solution is :
75 30% . 70%
?
(a) 125 gm/
(b) 100 gm/
(c) 120 gm/
(d) 130 gm/
Q40. The expenses of rice, fish and oil of a family are in the ratio 12 : 17 : 3. The price of these
articles are increased by 20%, 30% and 50% respectively. The total expenses of family on these
articles are increased by :
, 12: 17: 3 . : 20%, 30% 50%
. :
(a) 14 1
(d) None of these/
Q41. Two donkeys are standing 400 metres apart. First donkey can run at a speed of 3 m/sec and
the second can run at 2 m/sec. If two donkeys run towards each other after how much time (in
sec) will they bump into each other?
400 . 3 / 2/
. ?
(a) 60
(b) 80
(c) 400
(d) 40
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Q42. A and B are two fixed points 5 cm apart and C is a point on
AB such that AC is 3 cm. If the length of AC is increased by 6%,
the length of CB is decreased by:
A B 5
3
A B 5 C, AB AC 3
. AC 6% , CB
?
(a) 6%
(b) 7%
(c) 8%
(d) 9%
Q43. In an examination in which full marks were 500. A got 25% more than C, C got 20% less than
D. If A got 360 marks. What percentage of full marks was obtained by D?
500 . A C 25% , C D 20% .
A 360 . D ?
(a) 72%
(b) 80%
(c) 50%
(d) 60%
Q44. The population of a town is 3,11,250. The ratio of women to men is 43 : 40. If there are 24%
literate among women and 10% illiterate, among men, the total number of literate persons in the
town is
3, 11, 250 . 43 : 40 . 24%
10% :
(a) 1,70,700
(b) 1,73,700
(c) 1,75,700
(d) 1,73,200
Q45. The population of a village is 25,000. One-fifth are females and the rest are males, 5% of
males and 40% of females are uneducated. What percentage on the whole are educated?
25,000 . , 5% 40%
. ?
(a) 75%
(b) 88%
(c) 55%
(d) 85%
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Q46. Aditya covered a certain distance at some speed. Had he moved 3 km/h faster he would have
taken 40 minute less. If he had moved 2 km/h slower, he would have taken 40 minutes more. The
distance is:
. 3 40 .
2 40 . ?
(a) 40
(b) 35
(c) 49
(d) 45
Q47. A bus takes 15 hours to go from Delhi to Chandigarh. Bus go one-third time with speed of 80
km/h. 40% of rest time with speed of 70 km/h. 2/3rd of rest of time with speed of 85 km/h rest
with speed of 100 km/h. What is the distance that cover by bus?
15 . 80 / .
40% 70 / , 85 /
100 / . ?
(a) 1200
(b) 860
(c) 1120
(d) 1220
Q48. In a race of one kilometer, A gives B a start of 100 metres and still wins by 20 seconds. But if
A gives B a start of 25 seconds, B wins by 50 metres. The time taken by A to run one kilometer is:
, A, B 100 20 . A, B
25 , B 50 . A :
(a) 500/29 seconds
(b) 1200/29 second
(c) 800/29 seconds
(d) 700/29 seconds
Q49. A man covers a certain distance between his house and office on scooter. Having an average
speed of 30 km/hr, he is late by 10 min. However, with a speed of 40 km/hr, he reaches his office 5
min earlier. Find the distance between his house and office.
. 30 /
, 10 . , 40 / , 5
. .
(a) 20 km
(b) 25 km
(c) 30 km
(d) 35 km
Q50. The distance between two stations, Delhi and Amritsar, is
450 km. A train starts at 4 p.m. from Delhi and moves towards
Amritsar at an average speed of 60 km/hr. Another train starts
from Amritsar at 3.20 p.m. and moves towards Delhi at an
average speed of 80 km/hr. At what time will the two trains
meet?
, 450 . 4 p.m.
60 /
. 3:20
80 / .
, ?
(a) 5.30 p.m.
(b) 5.50 a.m.
(c) 6.50 p.m.
(d) 6.30 a.m.
