| Direction: In the following number series only one number is wrong. Find out the wrong number. |
| 121 132 153 186 225 276 |
A) 225
B) 186
C) 132
D) 276
E) 121
Correct Answer: B
Solution :
The series is +11, +21, +31, +41, +51. ie
Hence it should be 184 in place of 186.
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