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In the following number series, a wrong number is given. Find out the wrong number.
26, 27, 34, 58, 106, 186, 306
26, 27, 34, 58, 106, 186, 306
- A58
- B27
- C34
- D186
Answer not set
Discussion 1
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CCommunity
The pattern of given series is:
⇒ 26 – 26 = 12 – 1 = 0 (not 27)
⇒ 34 – 26 = 32 – 1 = 8
⇒ 58 – 34 = 52 – 1 = 24
⇒ 106 – 58 = 72 – 1 = 48
⇒ 186 – 106 = 92 – 1? = 80
⇒ 306 – 186 = 112 – 1? = 120
∴ Wrong number in series is 27.
⇒ 26 – 26 = 12 – 1 = 0 (not 27)
⇒ 34 – 26 = 32 – 1 = 8
⇒ 58 – 34 = 52 – 1 = 24
⇒ 106 – 58 = 72 – 1 = 48
⇒ 186 – 106 = 92 – 1? = 80
⇒ 306 – 186 = 112 – 1? = 120
∴ Wrong number in series is 27.