IBPS RRB PO-Clerk Prelims Reasoning Quiz| 13th June 2022

Reasoning MCQs and Answers: Reasoning MCQs are very important for IBPS RRB PO-Clerk Prelims & Other State Exams. Aspirants who are willing to apply for the various Government exams 2022 must go through the topics of Reasoning for competitive exams, as the Reasoning is a key part of the syllabus.

 

Directions (1 – 15): In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.

Q1. 15, 1015, 1096, 1608, 1657, 1870, 1898

(a) 1898

(b) 1096

(c) 1608

(d) 1870

(e) 15

 

S1. Ans. (d)

Sol.

Wrong number = 1870

Pattern of series –

15 + (10)³ = 1015

1015 + (9)² = 1096

1096 + (8)³ = 1608

1608 + (7)² = 1657

1657 + (6)³ = 1873

1873 + (5)² = 1898

So, there should be 1873 in place of 1870.

 

Q2.  80, 81, 82, 86, 95, 111, 136

(a) 80
(b) 81
(c) 82
(d) 86
(e) 111

S2. Ans. (a)

Sol.

Wrong number= 80

81+(0)²  = 81

81+(1)² = 82

82+(2)² =86

86 +(3)²=95

95+(4)²=111

111+(5)²=136

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Q3.    3,     12,     30,     56,      90,     132,   182

(a) 3

(b) 30

(c) 12

(d) 56

(e) 90

S3. Ans(a)

Sol.

Here the pattern is:

1×2 = 2

3×4 = 12

5×6 = 30

7×8 = 56

9×10 = 90

11×12 = 132

1314182

So, 3 is the wrong term.

 

Q4.     1,      9,       36,      81     144,       225

(a) 9

(b) 36

(c) 81

(d) 1

(e) 144

S4. Ans(d)

Sol.

Here the pattern is:

0² =0

3² = 9

6²  = 36

9² = 81

12² = 144

15² = 225

So, 1 is the wrong term.

 

Q5.    -27,      -15,      -5,       3,       9,      14

(a) 3

(b) 9

(c) 14

(d) -5

(e) -15

S5. Ans(c)

Sol.

Here the pattern is:

-27+12 = -15

-15+10 = -5

-5+8 = 3

3+6 = 9

9+4 = 13

So, 14 is the wrong number.

 

Q6.    2194,       1725,      1328,       997,      726,      510

(a) 1725

(b) 997

(c) 510

(d) 1328

(e) 2194

S6. Ans(c)

Sol.

Here the pattern is:

13³– 3 = 2194

12³ – 3 = 1725

11³ – 3 = 1328

10³ – 3 = 997

9³ – 3 = 726

8³ -3 = 509

So, 510 is the wrong number.

 

Q7.     21,          42,         126,         504,          2525,       15120

(a) 15120

(b) 2525

(c) 504

(d) 126

(e) 21

S7. Ans(b)

Sol.

Here the pattern is:

21×2 = 42

42×3 = 126

126×4 = 504

504×5 = 2520

2520×6 = 15120

So, 2525 is the wrong term.

Q8. 12, 17, 32, 77, 212, 615, 1832

(a) 77

(b) 1832

(c) 12

(d) 17

(e) 615

S8. Ans. (e)

Sol.

Wrong number = 615

Pattern of series –

So, there should be 617 in place of 615.

 

Q9. 97, 108, 205, 313, 518, 831, 1347

(a) 97

(b) 1347

(c) 518

(d) 205

(e) 108

S9. Ans. (b)

Sol.

Wrong number = 1347

Pattern of series –

97 + 108 = 205

108 + 205 = 313

205 + 313 = 518

313 + 518 = 831

518 + 831 = 1349

So, there should be 1349 in place of 1347.

Q10.  53,     82,      113,     146,      181,        220

(a) 53

(b) 82

(c) 220

(d) 146

(e) 181

S10. Ans(c)

Sol.

Here the pattern is:

53+29 = 82

82+31=113

113+33 = 146

146+35 = 181

181+37 = 218

So, 220 is the wrong term.

 

 

Q11. 120, 83, 113, 93, 105, 99, 101

(a) 120

(b) 101

(c) 99

(d) 83

(e) 93

S11. Ans. (a)

Sol.

Wrong number = 120

Pattern of series –

125- 6 X 7=83

 

So, there should be 125 in place of 120.

 

Q12. 1, 2, 6, 21, 88, 445, 2675

(a)445
(b)2675
(c)88
(d)21
(e)1

S12. Ans. (b)

Sol.

Wrong number = 2675

Q13. 88, 44, 178, 88, 352,176,704

(a)88
(b)44
(c)352
(d)178
(e)704

S13. Ans. (d)

Sol.

Wrong number= 178

 

Q14.  1,     4,      18,       48,       100,       180

(a) 180

(b) 18

(c) 48

(d) 4

(e) 1

S14. Ans(e)

Sol.

Here the pattern is:

1³ – 1² = 0

2³ – 2² = 4

3³ – 3² = 18

4³ – 4² = 48

5³ – 5² = 100

6³ – 6² = 180

So, 1 is the wrong term.

Q15. 225, 325, 244, 308, 259, 295, 271

(a)225
(b)325
(c)244
(d)295
(e) 271

S15. Ans. (e)

Sol.

Wrong number= 271

225+(10)²=325

325-(9)²=244

244+(8)²=308

308-(7)²=259

259+(6)²=295

295-(5)²=270

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