Question

Find the wrong term in sequence :2, 5, 10, 17, 26, 37, 50, 64

• A. 17
• B. 26
• C. 37
• D. 64
• E. 50

Answer 1

Answer: (D)

64

The number are $1^2+1$, $2^2+1$, $3^2+1$ and so on hence 2,5,10,17,26,37,50,65.

hence 64 is incorrect.