Dear Aspirants, Our IBPS Guide team is providing new series of Quantitative Aptitude Questions for RRB Clerk 2020 Prelims so the aspirants can practice it on a daily basis. These questions are framed by our skilled experts after understanding your needs thoroughly. Aspirants can practice these new series questions daily to familiarize with the exact exam pattern and make your preparation effective.
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Wrong number series
Direction (1-5): Find out the wrong number in the following number series.
1) 32, 52, 92, 172, 332, 650
A) 332
B) 92
C) 650
D) 172
E) 33
2) 19, 99, 219, 353, 535, 759
A) 99
B) 535
C) 759
D) 353
E) 219
3) 256, 240, 218, 179, 130, 66
A) 218
B) 66
C) 179
D) 240
E) 130
4) 32, 39, 56, 63, 80, 99
A) 39
B) 56
C) 99
D) 80
E) 63
5) 24, 47, 78, 117, 164, 220
A) 164
B) 78
C) 220
D) 117
E) 47
Approximation
Direction (6-10): What approximate value should come in the place of (?) in the following questions.
6) (12.122 ÷ 3.01) * 4.12 = ? * 5.91
A) 28
B) 32
C) 36
D) 40
E) 42
7) (359.911 ÷ 24.15) + 230.04 ÷ 1.91 = ? * √170
A) 8
B) 6
C)10
D)12
E)15
8) 29.84% of 399.68 + 1219.90 = ? * 66.91
A)15
B) 25
C) 10
D) 20
E) 30
9) (114.98 + 225.19) ÷ 17.05 = ? ÷ 5.12
A) 100
B) 120
C) 140
D) 170
E) 80
10) 32.052 + 18.912 – 29.912 = ?
A) 492
B) 485
C) 478
D) 456
E) 399
Answers:
1) Answer: C
32 + 20 = 52
52 + 40 = 92
92 + 80 = 172
172 + 160 = 332
332 + 320 =Â 652
2) Answer: E
19 + (20 * 4) = 99
99 + (22 * 5) =Â 209
209 + (24 * 6) = 353
353 + (26 * 7) = 535
535 + (28 * 8) = 759
3) Answer: A
256 – 42 = 240
240 – 52 = 215
215 – 62 = 179
179 – 72 = 130
130 – 82 = 66
4) Answer: B
32 + 7 = 39
39 + 11 =Â 50
50 + 13 = 63
63 + 17 = 80
80 + 19 = 99
5) Answer: C
52 – 1 = 24
72 – 2 = 47
92 – 3 = 78
112 – 4 = 117
132 – 5 = 164
152 – 6 = 219
6) Answer: B
(12.122 ÷ 3.01) * 4.12 = ? * 5.91
48 * 4 = ? * 6
? = 32
7) Answer: C
(359.911 ÷ 24.15) + 230.04 ÷ 1.91 = ? * √170
15 + 115 = ? * 13
? = 10
8) Answer: D
29.84% of 399.68 + 1219.90 = ? * 66.91
120 + 1220 = ? * 67
? = 20
9) Answer: A
(114.98 + 225.19) ÷ 17.05 = ? ÷ 5.12
20 * 5 = ?
? = 100
10) Answer: B
32.052 + 18.912 – 29.912 = ?
1024 + 361 – 900 = ?
? = 485
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