# RRB Clerk Prelims Quantitative Aptitude Questions 2021 (Day-04)

Dear Aspirants, Our IBPS Guide team is providing new series of Quantitative Aptitude Questions for RRB Clerk Prelims 2021 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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Missing number series

Directions (01-05): What value should come in the place of (?) in the following number series?

1) 24, 45, 133, 531, 2655, ?

A.17241

B.14962

C.14931

D.15931

E.17832

2) 10, 16, 28, ?, 78, 120

A.36

B.40

C.44

D.48

E.52

3) 781, 556, 387, 266, 185, ?

A.136

B.98

C.167

D.197

E.150

4) 1716, 2183, 2728, 3357, 4076, ?

A.4129

B.4586

C.4762

D.4871

E.4891

5) 7, 45, 96, 148, 203, ?

A.243

B.245

C.251

D.258

E.261

Approximation

Directions (6-10): What approximate value should come in the place of (?) in the following questions?

6) 719.909 Ã· âˆš15.61 + 119.91% of 199.98= ? + 32.891 * âˆš99

A.70

B.80

C.90

D.100

E.110

7) 31.05% of 599.879 + 2609.91 Ã· 86.911 + 63.912 % of 124.913= ?

A.290

B.293

C.286

D.276

E.296

8) âˆš624 % of 320.09 + âˆš195 * 7.912 â€“ 1007.99 Ã· âˆš325= ?

A.128

B.132

C.136

D.142

E.146

9) 34.91 % of 480.081+ ? * âˆš170 = âˆš120 * (429.181 Ã· 12.981)

A.12

B.13

C.15

D.18

E.17

10) 120.981 â€“ âˆš530 * 4.989 + 405.912 Ã· âˆš840= ?

A.10

B.15

C.20

D.25

E.30

24 * 2 â€“ 3 = 45

45 * 3 â€“ 2 = 133

133 * 4 â€“ 1 = 531

531 * 5 â€“ 0 = 2655

2655 * 6 â€“ (-1) =Â 15931

10 + (2 * 3) = 16

16 + (3 * 4) = 28

28 + (4 * 5) =Â 48

48 + (5 * 6) = 78

78 + (6 * 7) = 120

781 â€“ 152Â = 556

556 â€“ 132Â = 387

387 â€“ 112Â = 266

266 â€“ 92Â = 185

185 â€“ 72Â =Â 136

123Â â€“ 12 = 1716

133Â â€“ 14 = 2183

143Â â€“ 16 = 2728

153Â â€“ 18 = 3357

163Â â€“ 20 = 4076

173Â â€“ 22 =Â 4891

7 + (19 * 2) = 45

45 + (17 * 3) = 96

96 + (13 * 4) = 148

148 + (11 * 5) = 203

203 + (7 * 6) =Â 245

719.909 Ã· âˆš15.61 + 119.91% of 199.98 = ? + 32.891 * âˆš99

180 + 240 = ? + 330

? = 90

31.05% of 599.879 + 2609.91 Ã· 86.911 + 63.912 % of 124.913 = ?

186 + 30 + 80 = ?

296 = ?

âˆš624 % of 320.09 + âˆš195 * 7.912 â€“ 1007.99 Ã· âˆš325 = ?

80 + 112 â€“ 56 = ?

136 = ?

34.91 % of 480.081 + ? * âˆš170 = âˆš120 * (429.181 Ã· 12.981)

168 + ? * 13 = 11 * 33

? * 13 = 195

? = 15