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What should come in place of ‘?’ in the following number series?
5, 17, 43, 89, ?
5, 17, 43, 89, ?
- A169
- B150
- C161
- D155
Answer not set
Discussion 1
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CCommunity
⇒ 13 + 22 = 1 + 4 = 5
⇒ 23 + 32 = 8 + 9 = 17
⇒ 33 + 42 = 27 + 16 = 43
⇒ 43 + 52 = 64 + 25 = 89
⇒ 53 + 62 = 125 + 36 = 161 = ?
⇒ 23 + 32 = 8 + 9 = 17
⇒ 33 + 42 = 27 + 16 = 43
⇒ 43 + 52 = 64 + 25 = 89
⇒ 53 + 62 = 125 + 36 = 161 = ?