Ad

Ads

Tuesday, February 9, 2016

Quantitative Aptitude Test

Quantitative Aptitude

Q-1 In 5/6: : 9/8, 5/6 is
(a) IInd ratio (b) Ist ratio (c) Third ratio (d) None

Q-2 In 5/6 : : 9/5, 9/5 is
(a) Ist ratio (b) Third ratio (c) IInd ratio (d) None

Q-3 In 4/5 : : 9/7, : : is the symbol for
(a) Ratio (b) Proportional (c) a & b (d) None

Q-4 60 ´70 ´ 130
(a) 42 (b) 91 (c) 1 (d) None

Q-5 315/(150)
(a) 315 (b) 316 (c) 0 (d) ¥

Q-6 73 + 37
(a) 1110 (b) 110 (c) 100 (d) None

Q-7 Find (112 – 102) / (11 + 10)
(a) 1 (b) 2 (c) 3 (d) 4

Q-8 Find 35 + 4(1/5) ¸ 4/5
(a) 161/5 (b) 161/4 (c) 161/8 (d) 161/9

Q-9 In (x + 6)14, How many terms are there
(a) 15 (b) 16 (c) 17 (d) 18

Q-10 In (x + y)21, how many middle terms are there
(a) 2 (b) 1 (c) 3 (d) 4

Q-11 underroot 0.0196
(a) 0.15 (b) 0.16 (c) 0.14 (d) 0.19

Q-12 underroot 0.0225
(a) 0.14 (b) 0.15 (c) 0.16 (d) 0.18

Q-13 Find 3 underroot 0.000081
(a) 0.009 (b) 0.09 (c) 0.0009 (d) 0.9

Q-14 (515 ´ 252) / (125)2
(a) 511 (b) 512 (c) 513 (d) 514

Q-15 3 underroot 1 Find n
(a) 1/3 (b) 1/ 2 (c) 1/ 4 (d) 1 / 5

Q-16 252 =?
(a) 625 (b) 636 (c) 666 (d)639

Q-17 (26)2 =?
(a) 625 (b) 635 (c) 665 (d) 676

Q-18 (192 – 182) + (18)2
(a) 365 (b) 361 (c) 396 (d) 371

Q-19 underroot 50 ´ underroot 3 ´ underroot 6
(a) 35 (b) 34 (c) 30 (d) 40

Q-20 LCM 5, 10, 15, 20
(a) 65 (b) 60 (c) 70 (d) 90

Q-21 HCF 22 ´ 42 ´ 52, 23 ´ 4 ´ 53, 2 ´ 31 ´ 45
(a) 8 (b) 10 (c) 6 (d) 4

Q-22 Which is smaller No. of four digit?
(a) 1000 (b) 9999 (c) 1550 (d) 2000

Q-23 Mean Proportion of 4 and 5
(a) 9 (b) underroot20 (c) underroot 21 (d) underroot 22

Q-24 What will be duplicate ratio of 7:8
(a) 49:64 (b) 7:64 (c) 49:8 (d) None

Q-25 Find triplicate ratio of 1:5
(a) 1:125 (b) 1:25 (c) 1:64 (d) 1:29

Answers:

1. b Ist ratio
2. c IInd ratio
3. b Proportional
4. c 1
5. a 315
6. b 110
7. a 1
8. b 161/4
9. a 15
10. a 2
11. c 0.14
12. b 0.15
13. b 0.09
14. c 513
15. b 1/2
16. a 625
17. d 676
18. b 361
19. c 30
20. b 60
21. a 8
22. a 1000
23. b underroot 20
24. a 49:64
25. a 1:125

Reasons:

4 60 ´70 ´ 130 = 1 ´ 1 ´ 1 = 1
6 73 + 37 = (7 +3) ´ 11 = 110
7 (112 – 102) / (11 + 10) = (11 – 10) (11 + 10)/(11 + 10) = 1
8 35 + 21/5/4/5 = 35 + 21/4 = 140 + 21/4 = 161/4
10 Since 21 + 1 = 22 is even
\ it have two middle term
14 (515 ´ 252) / (125)2 = 515´ (52)2/(53)2= 515 ´ 54 / 56
515 + 4 / 56 = 519/56 = 519 – 6 = 513
15 3 underroot 3 = 3n + 1 = (33)1/2 = 3n + 1
33/2 = 3n + 1
n + 1 = 3/2
n = 3/2 – 1 = ½
16 Since 625 is the only No. which unit digit = 5
18 192 – 182 + 182 = 192 = 361
19 underroot 50 ´ underroot 3 ´ underroot 6 = underroot (5 ´ 3 ´ 6) = underroot 900 = 30
21 HCF in 21 ´ 41 = 8
23 Mean proportion of 4 & 5 is underroot (4 ´ 5) = underroot 20
25 Triplicate ratio of 1 :5 is 13 : 53 = 1:125

No comments:

Post a Comment