9, 27, 31, 155, 161, 1127, ?

by AdminX

What will come at the place of question mark ?
9, 27, 31, 155, 161, 1127, ?

A. 316
B. 1135
C. 1288
D. 2254

Answer & Solution

Answer: Option B
Solution:

Given pattern is,
2nd term → 9*3 = 27
3rd term → 27+4 = 31
4th term → 31*5 = 155
5th term → 155+6 = 161.
6th term → 161*7 = 1127
Missing term → 1127+8 = 1135.

Find out the wrong number. 1, 3, 10, 21, 64, 129, 356, 777

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