What should come in place of the question mark (?) in the following number series?
281, 141, 71, 36, 18.5, ?
Correct Answer: Option E
The pattern of the given series is:
→ 281,
→ 141 = (281 + 1)/2,
→ 71 = (141 + 1)/2,
→ 36 = (71+1)/2,
→ 18.5 = (36+1)/2,
→ ? = (18.5+1)/2
→ ? = 9.75
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