One term in the number series is wrong. Find out the wrong term. 16, 22, 30, 45, 52, 66
SOLUTION ANALYSIS
Correct Option: B
The correct pattern is + 6, + 8, + 10, + 12, + 14.
So, 45 is wrong and must be replaced by (30 + 10) i.e. 40.
Question 2 of 20
Hint
Choose the missing terms out of the given alternatives. WFB, TGD, QHG, ?
SOLUTION ANALYSIS
Correct Option: B
Question 3 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 46080, 3840, 384, 48, 24, 2, 1
SOLUTION ANALYSIS
Correct Option: C
The correct pattern is ÷ 12, ÷ 10, ÷ 8,÷ 6,.....
So, 24 is wrong and must be replaced by (48 + 6) i.e. 8.
Question 4 of 20
Hint
One term in the number series is wrong. Find out the wrong term.10, 14, 28, 32, 64, 68, 132
SOLUTION ANALYSIS
Correct Option: D
The correct pattern is + 4, x 2, + 4, x 2, .....
So, 132 is wrong and must be replaced by (68 x 2) i.e. 136.
Question 5 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 89, 78, 86, 80, 85, 82, 83
SOLUTION ANALYSIS
Correct Option: C
The correct pattern is - 11, + 9, - 7, + 5, - 3, + 1.
So, 86 is wrong and must be replaced by (78 + 9) i.e. 87.
Question 6 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 1236, 2346, 3456, 4566, 5686
SOLUTION ANALYSIS
Correct Option: D
The correct pattern in the series is + 1110.
So, 5686 is wrong and must be replaced by (4566 + 1110) i.e. 5676.
Question 7 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 24576, 6144, 1536, 386, 96, 24
SOLUTION ANALYSIS
Correct Option: B
Each term of the series is obtained by dividing the preceding term by 4.
So, 1536 is wrong and must be replaced by (1536 + 4) i.e. 384.
Question 8 of 20
Hint
Choose the missing terms out of the given alternatives. Z, S, W, O, T, K, Q, G, ?, ?
SOLUTION ANALYSIS
Correct Option: A
The given sequence is a combination of two series:
I. Z, W, T, Q, ? and II. S, O, k, G, ?
Question 9 of 20
Hint
One term in the number series is wrong. Find out the wrong term.0, 2, 3, 5, 8, 10, 15, 18, 24, 26, 35
SOLUTION ANALYSIS
Correct Option: A
The given sequence is a combination of two series:
I. 0, 3, 8, 15, 24, 35 and II. 2, 5, 10, 18, 26
The pattern in both I and II is + 3, + 5, + 7, + 9,.....
So, in II, 18 is wrong and must be replaced by (10 + 7) i.e. 17.
Question 10 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 380, 188, 92, 48, 20, 8, 2
SOLUTION ANALYSIS
Correct Option: C
The correct pattern is - 192, - 96, - 48, - 24, - 12, - 6.
So, 48 is wrong and must be replaced by (92 - 48) i.e. 44.
Question 11 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 10, 26, 74, 218, 654, 1946, 5834
SOLUTION ANALYSIS
Correct Option: D
The correct pattern is x 3 - 4.
So, 654 is wrong and must be replaced by (218 x 3 - 4) i.e. 650.
Question 12 of 20
Hint
Choose the missing terms out of the given alternatives. AZ, GT, MN, ?, YB
SOLUTION ANALYSIS
Correct Option: B
Question 13 of 20
Hint
Choose the missing terms out of the given alternatives. A, G, L, P, S, ?
SOLUTION ANALYSIS
Correct Option: A
Question 14 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 5, 27, 61, 122, 213, 340, 509
SOLUTION ANALYSIS
Correct Option: A
The terms of the series are (23 - 3), (33 - 3), (43 - 3), (53 - 3), (63 - 3), (73 - 3),
(83-3).
So, 27 is wrong and must be replaced (33 - 3) i.e. 24.
Question 15 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 93, 309, 434, 498, 521, 533
SOLUTION ANALYSIS
Correct Option: D
The correct pattern is + 63, + 53, + 43, + 33, .....
So, 521 is wrong and must be replaced by (498 + 33) i.e. 525.
Question 16 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 325, 259, 202, 160, 127, 105, 94
SOLUTION ANALYSIS
Correct Option: C
The correct pattern is - 66, - 55, - 44, - 33, - 22, - 11.
So, 202 is wrong and must be replaced by (259 - 55) i.e. 204.
Question 17 of 20
Hint
Choose the missing terms out of the given alternatives. b e d f ? h j ? l
SOLUTION ANALYSIS
Correct Option: A
The series may be divided into groups as shown:
b e d / f ? h / j ? l
Clearly in the first group, the second and third letters are respectively three and two steps ahead of the first letter.
A similar pattern would follow in the second and third groups.
Question 18 of 20
Hint
Choose the missing terms out of the given alternatives. H, I, K, N, ?
SOLUTION ANALYSIS
Correct Option: C
Question 19 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 325, 259, 202, 160, 127, 105, 94
SOLUTION ANALYSIS
Correct Option: C
The correct pattern is - 66, - 55, - 44, - 33, - 22, - 11.
So, 202 is wrong and must be replaced by (259 - 55) i.e. 204.
Question 20 of 20
Hint
One term in the number series is wrong. Find out the wrong term. 3, 7, 15, 39, 63, 127, 255, 511
SOLUTION ANALYSIS
Correct Option: B
The correct pattern is x 2 + 1.
So, 39 is wrong and must be replaced by (15 x 2 + 1) i.e. 31.
