Dear Aspirants, Our IBPS Guide team is providing new series of Quantitative Aptitude Questions for RRB PO 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.
Wrong Number Series
Direction (1-5): Find out the wrong number in the following number series.
1) 19, 235, 260, 324, 335, 341
A) 341
B) 235
C) 235
D) 335
E) 445
2) 69, 86, 65, 88, 61, 90, 56
A) 86
B) 61
C) 56
D) 88
E) 90
3) 13, 94, 45, 70, 60, 62
A) 94
B) 60
C) 70
D) 62
E) 45
4) 23, 46, 92, 161, 252, 368
A) 46
B) 161
C) 252
D) 92
E) 268
5) 27, 54, 162, 448, 3240, 19440
A) 54
B) 3240
C) 162
D) 448
E) 19440
Simplification
Direction (6-8): What value should come in the place of (?) in the following questions?
6) √529 * 4 + 45 % of 80 – 19 * 5 = ?
A) 33
B) 37
C) 45
D) 41
E) 29
7) 75 % of 200 + √4225 % of 40 + ? = 90 % of 240
A) 20
B) 30
C) 40
D) 50
E) 60
8) 35 * 8 + 30 % of 160 + ? * 7 = 433Â Â Â Â
A) 12
B) 15
C) 18
D) 21
E) 24
Approximation
Direction (9-10): What approximate value should come in the place of (?) in the following questions?
9) 19.902 % of 44.915 + ? % of 179.92 = 549.198
A) 100
B) 150
C) 200
D) 250
E) 300
10) 14.285% of 34.912 + 88.889% of 125.879 + 45.456 % of 54.91 = ?
A) 142
B) 148
C) 150
D) 156
E) 136
Answers :
Directions (1-5) :
1) Answer: D
19 + 63Â = 235
235 + 52Â = 260
260 + 43Â = 324
324 + 32Â =Â 333
333 + 23Â = 341
The wrong number is 335.
2) Answer: C
3) Answer: B
13 + 92Â = 94
94 – 72 = 45
45 + 52Â = 70
70 – 32 = 61
61 + 12Â = 62
The wrong term is 60
4) Answer: C
23 + 23 * 1 = 46
46 + 23 * 2 = 92
92 + 23 * 3 = 161
161 + 23 * 4 =Â 253
253 + (23 * 5) = 368
The wrong term is 252.
5) Answer: D
27 * 1 = 27
27 * 2 = 54
54 * 3 = 162
162 * 4 =Â 648
648 * 5 = 3240
3240 * 6 = 19440
The wrong term is 448
Directions (6-8) :
6) Answer: A
√529 * 4 + 45 % of 80 – 19 * 5 = ?
92 + 36 – 95 = ?
33 = ?
7) Answer: C
75 % of 200 + √4225 % of 40 + ? = 90 % of 240
150 + 26 + ? = 216
? = 40
8) Answer: B
35 * 8 + 30 % of 160 + ? * 7 = 433
280 + 48 + ? * 7 = 433
? * 7 = 105
? = 15
Directions (9-10) :
9) Answer: E
19.902 % of 44.915 + ? % of 179.92 = 549.198
20% of 45 + ? % of 180 = 549
9 + ? % of 180 = 549
? % 180 = 540
? = 300
10) Answer: A
14.285% of 34.912 + 88.889% of 125.879 + 45.456 % of 54.91 = ?
(1/7) * 35 + (8/9) * 126 + (5/11) * 55 =?
(1/7) * 35 + (8/9) * 126 + 5/11 * 55 = ?
5 + 112 + 25 = ?
? = 142
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