Find out the wrong number in the following number series.
Q. 256, 240, 218, 179, 130, 66
A. 218
B. 66
C. 179
D. 240
E. 130
Sol:
256 – 42 = 240
240 – 52 = 215
215 – 62 = 179
179 – 72 = 130
130 – 82 = 66
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