In the following number series only one is wrong. Find out the wrong number.…
2024
In the following number series only one is wrong. Find out the wrong number.
7, 4, 5, 9, 20, 51, 106.5
Answer: C. 51 — Correct Answer : Option C Explanation – The logic behind the series is : (7 × 0.5) + 0.5 = 4 (4 × 1) + 1 = 5 (5 × 1.5) + 1.5 = 9 (9 × 2) + 2 = 20 (20 × 2.5) +…
- A.
4
- B.
5
- C.
51
- D.
9
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Correct answer: C
Correct Answer : Option C
Explanation –
The logic behind the series is :
(7 × 0.5) + 0.5 = 4
(4 × 1) + 1 = 5
(5 × 1.5) + 1.5 = 9
(9 × 2) + 2 = 20
(20 × 2.5) + 2.5 = 52.5
(52.5 × 3) + 3 = 106.5
So, The wrong number of the given series is 51.
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