8/11/2019 current afffairs sep 2014

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Directions (Q.1-3): In each of the following

questions a number series is given. After the

series a number is given followed by (a), (b),

(c), (d) and (e). You have to complete the

series starting with the number given, follow-

ing the sequence of the original series and

answer the questions that follow the series.

64 16 8 6 6 7.5

4 (a) (b) (c) (d) (e)

What will come in place of (b)?

1) 1 2) 0.5 3) 1.5 4) 8

5) None of these

5 29 149 749 3749 18749

2 (a) (b) (c) (d) (e)

What will come in place of (c)?

1) 74 2) 14 3) 374 4) 1874

5) None of these23 28 21 32 19 36

11 (a) (b) (c) (d) (e)

What will come in place of (d)?

1) 9 2) 20 3) 29 4) 7 5) 24

Directions (Q.4-8): Study the following table

carefully to answer the questions that follow.

Following table gives the percentage marksobtained by six students in six subjects. The

marks in brackets are maximum marks of the

subject.

What is the total number of marks obtained

by C in all subjects together?

1) 438 2) 444 3) 532 4) 454 5) None

What are the average marks obtained by all

the students in Hindi?

1) 62 2) 64 3) 56 4) 67

5) None of these

What is the ratio between total marks

obtained by E in Hindi, Maths and Social

together and the total marks obtained by B in

these subjects together respectively?

1) 12 : 17 2) 35 : 37 3) 21 : 23

4) 15 : 16 5) None of these

Marks obtained by D in Science are what

percent of his total marks obtained in all thesubjects together?

1) 16.8% 2) 21.3% 3) 33.7%

4) 18.2% 5) None of these

What are the approximate average marks

obtained by all the students in Maths?

1) 132 2) 115 3) 125 4) 137 5) 118

A boat covers a distance of 40 kms in 8

hours downstream. To cover the same

distance upstream, the boat takes two hours

longer. What is the speed of the boat in still

water?

1) 0.5km/hr 2) 2.5 km/hr

3) 4 km/hr 4) 2.5 km/hr 5) None

0. Arun purchased a box full of chocolates at

the rate of 7 for Rs.9 and sold all of them at

the rate of 8 for Rs.11. In this transaction he

gains Rs.12.50. How many chocolates did

the box contain?1) 86 2) 112 3) 76 4) 140 5) None

1. A man lent Rs.3364 in two parts at 5%

compound interest, compounded annually.

The amount he gets on first part at the end

of 3 years is the same as the amount he

gets on second part at the end of 5 years.

Find the second part.

1) Rs.1764 2) Rs.1600 3) Rs.1832

4) Rs.1250 5) None of these

2. A trader sells an article at a profit of 30%.

Had he purchased it at 10% less and sells

for Rs.330 less he would have gained 20%.

Find the cost price of the article.

1) Rs.1500 2) Rs.1200 3) Rs.1600

4) Rs.1950 5) None of these

13. In a library there are 30% books in English

and 20% of the rest are in Hindi. If the

remaining 1344 books are in other regional

languages, how many books are

there in the library?

1) 3920 2) 3250

3) 3500 4) 2750

5) None of these

Directions (Q.14-18):Study the fol-

lowing data and answer the ques-

tions accordingly.

Following Pie-chart shows the pro-duction of six Television manufac-turing companies A, B, C, D, E andF and the table gives the percent-

age defect in production for the year 2012.

14. If the number of defective televisions of

company 'E' in 2012 is 630, find the total

production of 'E' in that year.1) 2900 2) 3150 3) 4500

4) 2100 5) None of these

15. If the number of defective Televisions of

company 'B' was 1210, what was the total

number of Televisions produced by all the

companies in that year?

1) 126800 2) 130000 3) 110000

4) 140000 5) 100000

16. If the number of defective Televisions of

company 'F' was 408, what was the number

of defective Televisions of company 'D' in

that year?

1) 249 2) 285 3) 465 4) 252

5) None of these

17. If the total production of Televisions by all

the companies was 160000, what will be

the number of defective Televisions pro-

duced by company 'A'?1) 3678 2) 4752 3) 3890

4) 4392 5) None of these

18. If the production of company 'E' is 3224,

what is the ratio between the productions of

companies 'B' and 'C' ?

1) 12 : 13 2) 11 : 21 3) 9 : 11

4) 11:17 5) None of these

Practice as many model papers as

possible with time. Try to solve 50

maths questions in 40-50 minutes

time. Remember, all the questions

may not take more time.Dr. G.S. Giridhar

1-2

2-3

3-4

4-2

5-3

6-5

7-1

8-3

9-5

10-4

11-2

12-1

13-5

14-3

15-3

16-4

17-2

18-4.

ANSWERS

Quantitative Aptitude

How many books are there

F

17%A

33%

C

17%B

11%

D

14%

E8%

Company A B C D E F

Percent 09 10 12 06 14 08Defect

1. 64 0.25 =16 2. 5 5 + 4 = 29

16 0.5 = 8 29 5 + 4 = 149

8 0.75 = 6 149 5 + 4 = 749

6 1 = 6 749 5 + 4 = 3749

6 1.25 = 7.5 3749 5 + 4 = 18749

Required number Required number

= 0.5 = 374

3. 23 + 5 = 28; 28 7 = 21

21 + 11 = 32; 32 13 = 19

19 + 17 = 36

Required number is 7

Shortcut:Vertical difference is always constant

when the relation between the numbers in the

series is +/

Here the vertical difference is 23 11 = 12

Required number is 19 12 = 7

924. Marks of C in English = 100 = 92

100

84Hindi = 75 = 63100

72Telugu = 75 = 54

100

72Maths = 150 = 108

100

Science = 73 Social = 54

Total marks = 92 + 63 + 54 + 108 + 73 + 54

= 444

96 + 80 + 84 + 68 + 44 + 76 755.

6 100448 75

= = 566 100

446. Marks of E in Hindi = 75 = 33

10086

Maths = 150 = 129; Social = 83100

Total marks = 33 + 129 + 83 = 24580

Marks of B in Hindi = 75 = 60100

82Maths = 150 = 123; Social = 74

100

Total marks = 60 + 123 + 74 = 257

Required ratio = 245 : 257

7. D marks in Science = 84; English = 62

68Hindi = 75 = 51

100

96Telugu = 75 = 72

100

96Maths = 150 = 144; Social = 87

100

Total marks = 84 + 62 + 51 + 72 + 144 + 87

= 500

84 Required% = 100 = 16.8%

5008. Average Marks

93 + 82 + 72 + 96 + 86 + 74 150= 125

6 100

409. Downstream = = 5 kmph

840

Upstream = = 4 kmph10

Downstream + UpstreamSpeed of the boat =

25 + 4

= 4.5 kmph2

10. LCM of 7 and 8 is 56.

The CP of 56 pencils at the rate of 7 for

Rs.9 is Rs.72

The SP of 56 pencils at the r

is Rs.77

Profit is Rs.5.

If the profit is Rs.5, the num

56.

But the profit is Rs.12.50, the

12.5number of pencils is

5

11. Let the 2nd part be Rs.x, th

Rs.(3364 x)

5 3

(3364 x)[1 + ] = x100

52

3364 x=x[1 + ]100

441 3364 x= x

400441 84

x+ x = 3364 400 40

400x= 3364 = 1600

84112. Let the cost price of the ar

Selling Price = Rs.130

if he buys 10% less, then C

Now the Selling Price = Rs.

Difference in S.P is 130 1

If the difference in S.P is R

Rs.100. If the difference in S.P

330C.P.= 100 = Rs.150

22

13. Let the number of books b

70 80 x= 1344

100 100

x= 2400

14. If 14% = 630, then 100% (

100 630 = 450014

15. If 10% = 1210, then 100%

100 1210 = 1210010

Total number of Televisions

11% = 12100

100100% value = 1210

11

Total number of television

the companies is 110000

16. If 8% = 408, then 100% va

100= 408 = 5100

8

Total number of Televisions

17% = 5100,

if 17% value is 5100, then 1

14= 5100 = 17

Total number of television

is 4200

Number of defective Televis

= 6% o

17. If 100% = 160000, then 33

33 160000 = 52800100

Total number of Televisions

= 52800

Number of defective Televis

52800 = 4752

18. Here production of E is no

Required ratio = 11% : 17%(Writer - Director, RACE Institute, Hyderabad)

Subject English Hindi Telugu Maths Science Social

Student (100) (75) (75) (150) (100) (100)

A 75 96 56 93 72 86

B 84 80 84 82 64 74

C 92 84 72 72 73 54

D 62 68 96 96 84 87

E 58 44 56 86 91 83

F 78 76 68 74 49 48

Explanations