# RRB PO Prelims Quantitative Aptitude (Day-16)

#### Quantitative Aptitude for RRB PO 2020

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.

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IBPS RRB PO Prelims

Wrong number series

Direction (1-5): Find out the wrong number in the following number series.

1) 19, 9, 8, 14, 46, 230

A) 9

B) 14

C) 230

D) 46

E) 8

2) 1, 4, 22, 103, 427, 1640

A) 1640

B) 427

C) 103

D) 22

E) 4

3) 13, 229, 354, 420, 445, 453

A) 453

B) 420

C) 229

D) 354

E) 445

4) 3, 21, 42, 73, 103, 133

A) 73

B) 103

C) 133

D) 21

E) 42

5) 326, 245, 181, 132, 96, 70

A) 245

B) 96

C) 70

D) 181

E) 132

Simplification

Direction (6-8): What value should come in the place of (?) in the following questions?

6) 160% of 440 + 80% of? = 16 * âˆš2916

A) 280

B) 300

C) 200

D) 340

E) 360

7) âˆš5329 +? = 12 * 288 Ã· âˆš1024

A) 35

B) 37

C) 39

D) 41

E) 45

8) 624 Ã· 13 + 60 % of 210 â€“ 22 * 12 =?

A) -90

B) -80

C) -70

D) -60

E) -50

Direction (9-10): What approximate value should come in the place of (?) in the following questions?

9) 22.022Â â€“ 33.954 = (?)2Â + 3.12 * âˆš1765

A) 16

B) 17

C) 18

D) 19

E) 20

10) 19.93 * 24.893 + 29.908 * 40.01 – ? = 49.912 * 11.901

A) 1150

B) 1200

C) 1100

D) 1250

E) 1300

Directions (1-5):

19 * 1 â€“ 10 = 9

9 * 2 â€“ 10 = 8

8 * 3 â€“ 10 = 14

14 * 4 â€“ 10 = 46

46 * 5 â€“ 10 =Â 220

The wrong number is 230

1 + 31Â * 1 = 4

4 + 32Â * 2 = 22

22 + 33Â * 3 = 103

103 + 34Â * 4 = 427

427 + 35Â * 5 =Â 1642

The wrong number is 1640

13 + 63Â = 229

229 + 53Â = 354

354 + 43Â =Â 418

418 + 33Â = 445

445 + 23Â = 453

The wrong number is 420

3 + (9 * 2) = 21

21 + (8 * 3) =Â 45

45 + (7 * 4) = 73

73 + (6 * 5) = 103

103 + (5 * 6) = 133

The wrong number is 42

326 â€“ 92Â = 245

245 â€“ 82Â = 181

181 â€“ 72Â = 132

132 â€“ 62Â = 96

96 â€“ 52Â =Â 71

The wrong number is 70

Directions (6-8):

160% of 440 + 80% of? = 16 * âˆš2916

704 + 4/5 *? = 864

? = 200

âˆš5329 +? = 12 * 288 Ã· âˆš1024

73 +? = 12 * 9

? = 35

624 Ã· 13 + 60 % of 210 â€“ 22 * 12 =?

48 + 126 â€“ 264 =?

-90 =?

Directions (9-10):

22.022Â â€“ 33.954 = (?)2Â + 3.12 * âˆš1765

222Â â€“ 34 =?2Â + 3 * âˆš1764

484 â€“ 34 =?2Â + 3 * 42

?2Â = 324

? = 18

19.93 * 24.893 + 29.908 * 40.01 – ? = 49.912 * 11.901

20 * 25 + 30 * 40 – ? = 50 * 12

20 * 25 + 30 * 40 – ? = 50 * 12

500 + 1200 – ? = 600

? = 1100

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