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Wrong Series Questions for Upcoming Banking Examination 2023

Question

In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.

94, 115, 138, 163, 190, 218

A 94 Correct Answer Incorrect Answer
B 115 Correct Answer Incorrect Answer
C 218 Correct Answer Incorrect Answer
D 138 Correct Answer Incorrect Answer
E 163 Correct Answer Incorrect Answer

Solution

The series follows the pattern: 102 - 6 = 94 112 - 6 = 115 122 - 6 = 138 132 - 6 = 163 142 - 6 = 190 152 - 6 = 219 219 will come in place of 218.

Question

19, 35, 71, 135, 235, 380

A 380 Correct Answer Incorrect Answer
B 235 Correct Answer Incorrect Answer
C 71 Correct Answer Incorrect Answer
D 135 Correct Answer Incorrect Answer
E 35 Correct Answer Incorrect Answer

Solution

19 + 42 = 35 35 + 62 = 71 71 + 82 = 135 135 + 102 = 235 235 + 122 = 379 Therefore, 379 should come in place of 380.

Question

15, 31, 67, 131, 231, 370

A 131 Correct Answer Incorrect Answer
B 231 Correct Answer Incorrect Answer
C 31 Correct Answer Incorrect Answer
D 67 Correct Answer Incorrect Answer
E 370 Correct Answer Incorrect Answer

Solution

15 + 42 = 31 31 + 62 = 67 67 + 82 = 131 131 + 102 = 231 231 + 122 = 375 Therefore, 375 should come in place of 370.

Question

23    30     44     65      92      128

A 128 Correct Answer Incorrect Answer
B 92 Correct Answer Incorrect Answer
C 44 Correct Answer Incorrect Answer
D 65 Correct Answer Incorrect Answer
E 30 Correct Answer Incorrect Answer

Solution

23 + 7 x 1 = 30 30 + 7 x 2 = 44 44 + 7 x 3 = 65 65 + 7 x 4 = 93 93 + 7 x 5 = 128

Question

9 20 63 255 1285 7716

A 255 Correct Answer Incorrect Answer
B 1285 Correct Answer Incorrect Answer
C 63 Correct Answer Incorrect Answer
D 7716 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

9 x 2 + 2 = 20 20 x 3 + 3 = 63 63 x 4 + 4 = 256 256 x 5 + 5 = 1285 1285 x 6 + 6 = 7716

Question

216, 110, 163, 409.5, 1437.25, 6442.625, 35432.4375

A 6442.625 Correct Answer Incorrect Answer
B 163 Correct Answer Incorrect Answer
C 110 Correct Answer Incorrect Answer
D 35432.4375 Correct Answer Incorrect Answer
E 1437.25 Correct Answer Incorrect Answer

Solution

216x0.5+2 = 108+2 = 110 110x1.5-2 = 165-2 = 163 163x2.5+2 = 407.5+2 = 409.5 409.5x3.5-2 = 1433.25-2 = 1431.25 1431.25x4.5+2 = 6440.625+2 = 6442.625 6442.625x5.5-2 = 35434.4375-2 = 35432.4375 Here 1437.25 is the wrong number.

Question

41, 50, 86, 167, 310, 536

A 50 Correct Answer Incorrect Answer
B 86 Correct Answer Incorrect Answer
C 167 Correct Answer Incorrect Answer
D 310 Correct Answer Incorrect Answer
E 536 Correct Answer Incorrect Answer

Solution

41 + 32 = 50 50 + 62 = 86 86 + 92 = 167 167 + 122 = 311 311 + 152 = 536 Therefore, 311 will come in place of 310.

Question

6, 6, 12, 15, 30, 48, 78, 126

A 12 Correct Answer Incorrect Answer
B 15 Correct Answer Incorrect Answer
C 30 Correct Answer Incorrect Answer
D 48 Correct Answer Incorrect Answer
E 78 Correct Answer Incorrect Answer

Solution

 6 + 6 = 12 12 + 6 = 18 18 + 12 = 30 30 + 18 = 48 48 + 30 = 78 78 + 48 = 126 Therefore, 18 will come in place of 15.

Question

47, 48, 46, 50, 44, 58

A 48 Correct Answer Incorrect Answer
B 44 Correct Answer Incorrect Answer
C 58 Correct Answer Incorrect Answer
D 50 Correct Answer Incorrect Answer
E 46 Correct Answer Incorrect Answer

Solution

47 + 20 = 48 48 – 21 = 46 46 + 22 = 50 50 – 23 = 42 42 + 24 = 58 Therefore, 42 will come in place of 44.

Question

12, 36, 144, 432, 1730, 5184

A 36 Correct Answer Incorrect Answer
B 144 Correct Answer Incorrect Answer
C 1730 Correct Answer Incorrect Answer
D 5184 Correct Answer Incorrect Answer
E 432 Correct Answer Incorrect Answer

Solution

12 × 3 = 36 36 × 4 = 144 144 × 3 = 432 432 × 4 = 1728 1728 × 5 = 5184 Therefore, 1728 will come in place of 1730.

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