Direction: Find out the wrong number in the following number series.
Q. 8, 5, 6, 15, 52.5
A.15
B.52.5
C.5
D.8
E. None of these
Sol:
8 * 0.5 = 4
4 * 1.5 = 6
6 * 2.5 = 15
15 * 3.5 = 52.5
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6.5, 11, 22, 25.5, 51, 54.5
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