Quantitative Aptitude Quiz For RRB PO Mains 2021- 21st September

Directions (1-5): Find the wrong number in the series:

Q1. 15, 23, 50, 112, 239, 455
(a) 50
(b) 23
(c) 112
(d) 455
(e) 15

Q2. 12, 22, 63, 246, 1235, 7404
(a) 246
(b) 7404
(c) 12
(d) 63
(e) 1235

Q3. 312, 300, 264, 200, 120, 12
(a) 312
(b) 12
(c) 200
(d) 300
(e) 120

Q4. 1252, 250, 60, 20, 9, 7
(a) 7
(b) 60
(c) 1252
(d) 250
(e) 9

Q5. 24, 12, 15, 45, 157.5, 708.75
(a) 12
(b) 24
(c) 45
(d) 157.5
(e) 15

Directions (6-10): What should come in place of the question mark (?) in the following series?

Q6. 10, 15, 45, 270, 3240, ?
(a) 72250
(b) 77760
(c) 75260
(d) 85280
(e) 762560

Q7. 12, 26, 81, 328, 1645, ?
(a) 9981
(b) 8281
(c) 7321
(d) 9876
(e) 9978

Q8. 1024, 512, ? , 16, 1, 0.03125
(a) 64
(b) 128
(c) 256
(d) 216
(e) 324

Q9. 193, 97, 49, 25, ?, 7
(a) 15
(b) 12
(c) 17
(d) 13
(e) 11

Q10. 17, 24, 13, 26, 9, ?
(a) 30
(b) 32
(c) 29
(d) 28
(e) 26

Solutions

Click Here to Register for Bank Exams 2021 Preparation Material