IBPS SO Refresher - Quantitative Aptitude -1

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Quantitative Aptitude (2013)

Directions (1-5): What should come in place of question mark (?) in the following

questions?

1. 16.23 x 12.9 + 17.32 =?

1) 294.0036 2) 490.4706 3) 226.687

4) 432.795 5) None of these

2. 998711 362 74563 8526 66156 =?

1) 849104 2) 849014 3) 849284

4) 981416 5) None of these

3. 32% of 860 x ? = 61920

1) 252 2) 255 3) 215 4) 205 5) None of these

4. [(6)3 x (9)2] 18 =?

1) 1458 2) 972 3) 8748 4) 162 5) None of these

5. 7410 + ? 3652 1479 = 11820

1) 9451 2) 9527 3) 9441 4) 9541 5) None of these

Directions (6-10): What approximate value should come in place of question

mark (?) in the following questions?

[Note you are not expected to calculate the exact value.]

6. (300.7 x 300.7 x 300.7) (293.7 x 293.7 x 293.7) =? + 343

1) 1852200 2) 1842900 3) 1863200

4) 1891000 5) 1889200

7. 1194.8 x 1195.01 1193.001 = 119?

1) 7.3 2) 6.8 3) 5.2 4) 4.9 5) 3

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IBPS SO Refresher - Quantitative Aptitude -1

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8. = 3.76 x ?

1) 17 2) 54 3) 16 4) 14 5) 15

9. 37% of 5009 -

of 6666 =?

1) 52000 2) 52 3) 500 4) 150 5) 520

10. 4168 + 372 x 37 =?

1) 18000 2) 17900 3) 17800 4) 17750 5) 17850

Directions (11-15): In each of the number series, a wrong number is given, find

the wrong number.

11. 3 10 9 42 148 768

1) 10 2) 9 3) 42 4) 148 5) 768

12. 145 170 196 226 257 290

1) 170 2) 196 3) 226 4) 257 5) 290

13. 38 49 62 72 77 91 101

1) 49 2) 62 3) 72 4) 77 5) 101

14. -10 -9 -10 -3 52 385 2536

1) -9 2) -3 3) 52 4) 385 5) 2536

15. 560 272 132 62 28 12

1) 272 2) 132 3) 62 4) 28 5) 12

16. Mungeri Lal has two investment plans A and B, to choose from. Plan A offers

interest of 10% compounded annually while plan B offers simple interest of 12%

per annum. Till how many years is plan B a better investment?

1) 3 2) 4 3) 5 4) 6 5) 7

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IBPS SO Refresher - Quantitative Aptitude -1

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17. A rural child specialist has to determine the weight of five children of different

ages. He knows from his past experience that each of the children would weigh

less than 30 kg and each of them would have different weights. Unfortunately,

the scale available in the village can measure weight only over 30 kg. The doctor

decides to weigh the children in pairs. However, his new assistant weighted the

children without noting down the names. The weights were 35, 36, 37, 39, 40,

41, 42, 45, 46 and 47 kg. The weight of the lightest child is

1) 15 kg 2) 16 kg 3) 17 kg 4) 18 kg 5) 20 kg

18. The population of a town is 198000. It increases by 7% in the 1st year and

decreases by 5% in the 2nd year. What is the population of the town at the end

of 2 yr?

1) 211860 2) 201267 3) 222453 4) 198900 5) None of these

19. If x + y = 20 and xy = 84, what is the value of x2 + y2?

1) 232 2) 400 3) 128

4) Cant be determined 5) None of these

20. In how many different ways can the letters of the word ABILITY be arranged?

1) 5040 2) 720 3) 1260 4) 2420 5) None of these

21. The difference between a two digit number and the number obtained by

interchanging the two digits of the number is 9. The sum of the two digits of the

number is 15. What is the product of the two digits of the two digit number?

1) 54 2) 72 3) 56

4) Cannot be determined 5) None of these

22. Vanita bought a watch with 24% discount on the selling price. If the watch cost

her Rs.779, what is the original selling price of the watch?

1) Rs. 1000 2) Rs. 950 3) Rs. 1040

4) Cannot be determined 5) None of these

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IBPS SO Refresher - Quantitative Aptitude -1

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23. Shyam invests an amount of Rs. 5690 at the rate of 5% per annum for 3 years.

What approximate amount of compound interest will he obtain at the end of 3

years?

1) Rs. 854 2) Rs. 799 3) Rs. 843 4) Rs. 787 5) None of these

24. Samantha, Jessica and Roseline begin to jog around a circular stadium. They

complete their revolutions in 84s, 56s and 63s respectively. After how many

seconds will they be together at the starting point?

1) 336 2) 504 3) 252

4) Cannot be determined 5) None of these

25. Asmitha invests an amount of Rs. 9535 at the rate of 4% per annum to obtain a

total amount of Rs. 11442 on simple interest after a certain period. For how

many years did she invest the amount to obtain the total sum?

1) 10 years 2) 2 years 3) 5 years 4) 4 years 5) None of these

Answers:

01.3 02.1 03.5 04.2 05.4

06.1 07.2 08.4 09.5 10.2

11.4 12.2 13.3 14.5 15.1

16.2 17.2 18.2 19.1 20.5

21.3 22.5 23.5 24.2 25.3

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