Quantitative Aptitude Quiz for SBI PO | IBPS | RBI – Set 108

Directions (Q. 1 – 5): What approximate value should come in place of question mark (?) in the following questions? (Note: You are not expected to calculate the exact value.)

1. 39.897% of 4331 + 58.779% of 5003 =?
a) 4300
b) 4500
c) 4700
d) 4900
e) 5100

Answer
Ans: c) 4700

2. 43931.03 ÷ 2111.02 × 401.04 =?
a) 8800
b) 7600
c) 7400
d) 9000
e) 8300

Answer
Ans: e) 8300

3. √6354 × 34.999 = ?
a) 3000
b) 2800
c) 2500
d) 3300
e) 2600

Answer
Ans: b) 2800

4. ³√ 4663 + 349 = ? ÷ 21.003
a) 7600
b) 7650
c) 7860
d) 7560
e) 7680

Answer
Ans: e)7680

5. 59.88 ÷ 12.21 × 6.35 =?
a) 10
b) 50
c) 30
d) 70
e) 90

Answer
Ans: c)30

Directions (Q. 6– 10): In the following number series only one number is wrong. Find out the wrong number.
6. 7   12   40   222   1742   17390   208608
a) 7
b) 12
c) 40
d) 1742
e) 208608

Answer

Ans: d) 1742

(7-1) × 2 = 12
(12 – 2) × = 12
(40 – 3) × 6 = 222
(222 – 4) × 8 = 1744
(1744 – 5) × 10 = 17390
(17390 – 6) × 12 = 208608

7. 6  91  584  2935  11756   35277   70558
a) 91
b) 70558
c) 584
d) 2935
e) 35277

Answer

Ans: c) 584

…× 7 + 7² , …× 6 + 6² , × 5 × 5² ,…

8. 9050   5675  3478   2147   1418  1077   950
a) 3478
b) 1418
c) 5673
d) 2147
e) 1077

Answer

Ans: e) 1077

−15³ , – 13³ , – 11³ , – 9³ , – 7³ , – 5³

9. 1  4  25   256   3125   46656   823543
1) 3125
2) 823543
3) 46656
4) 25
5) 256

Answer

Ans: 4) 25

1¹ = 1; 2² = 4; 3³ = 27; 4^4 = 256; 5^5 = 3125; 6^6 = 46656; 7^7 = 823543

10. 8424  4212  2106   1051  526.5  263.25   131.625
a) 131.625
b) 1051
c) 4212
d) 8424
e) 263.25

Answer

Ans: b) 1051

All terms are divided by 2