# Quantitative Aptitude Practice Questions for IBPS Clerk – Set 12

Quantitative Aptitude Practice Questions for IBPS Clerk – Set 12
Directions (1 – 5): What will come in place of question mark (?) in the given series:
1. 21   23.3   18.7   27.9   9.5   ?
a) 33.5
b) 46.3
c) 43.3
d) 17.5
e) None of these
2. 28  30   63   193   ?   3891
a) 777
b) 1224
c) 669
d) 721
e) None of these
3. 1    65    230    ?    3532    17916
a) 790
b) 148
c) 824
d) 904
e) None of these
4. 512   256   384   960   ?   15120
a) 2280
b) 3360
c) 1860
d) 2668
e) None of these
5. 47   134   275   818   ?   4922
a) 1664
b) 3241
c) 1643
d) 2288
e) None of these
Directions (6 – 10): In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer.
a) if x > y
b) if x < y
c) if x ≥ y
d) if x ≤ y
e) if x = y or relationship between x and y can't be established

Directions (11 – 15): What value will come in place of question mark (?) in the following questions: (You are not expected to calculate the exact value)
11. [(36.54)^2 – (16.75)^2]/? = 21
a) 54
b) 60
c) 70
d) 80
e) 45
12. 49.05 × 19.95 – 24.99 × 14.12 = (36 + ?) × 9
a) 73
b) 81
c) 36
d) 42
e) 29
13. (74.1)^2.01 + (39)^1.95 – (57)^? = 3750
a) -2
b) 3
c) 2
d) -3
e) 4
14. 35% of 1579 + 29% of 4516 = ? × 41 + 468 + 773.98 – 199.53
a) 46
b) 20
c) 49
d) 30
e) None of these
15. 5 1/5 of 195.75 + 6 3/8  of 2309.49 = ?% of (4991.92) + 10387.5
a) 74
b) 100
c) 96
d) 50
e) None of these

Solutions:
1. B)
Series Pattern     Given Series
21                          21
21 + 2.3               23.3
23.3 – 4.6            18.7
18.7 + 9.2            27.9
27.9 – 18.4         9.5
9.5 + 36.8            46.3
2. A)
Series Pattern        Given Series
28                             28
28 × 1 + 2                30
30 × 2 + 3                63
63 × 3 + 4                193
193 × 4  + 5             777
777 × 5 + 6              3891
3. E)
Series Pattern   Given Series
1                            1
1 × 1 + 82             65
65 × 2 + 102        230
230 × 3 + 122      834
834 × 4 + 142      3532
3532 × 5 + 162    17916
4. B)
Series Pattern      Given Series
512                        512
512 × 0.5              256
256 × 1.5              384
384 × 2.5              960
960 × 3.5              3360
3360 × 4.5            15120
5. C)
Series Pattern        Given Series
47                            47
47 × 3 – 7              134
134 × 2 + 7            275
275 × 3 – 7            818
818 × 2 + 7            1643
1643 × 3 – 7          4922
6. B) x = 2, -9/8 and y = 3, 5
Hence, x < y.
7. B) x = 8; y = 13
Hence, x < y.
8. E) x = -8/7, ½ and y = 7/4, 1/3
While comparing the values of x and y, one root value of y lies between the root values of x
Hence, option E is correct.
9. B) x = -3/2, -4/3  and y = 4, ¾
Hence, x < y
10. B) x = ±27 and y = 36
Hence, x < y
11. A)   12. C)   13. C)   14. B)   15. B)