Question

Find out the wrong number.

10, 13, 26,37,51, 77, 106, 133.

Options

• 133

• 51

• 26

• 13

Answer 1

51

Explanation:

The pattern is as follows:

⇒ 10 + 16 = 26

⇒ 13 +24 = 37 (Adding 16 + 8 = 24)

⇒ 26 + 32 = 58 (Adding 24 + 8 = 32)

⇒ 37 + 40 = 77 (Adding 32 + 8 = 40)

⇒ 58 + 48 = 106 (Adding 40 + 8 = 48)

⇒ 77 + 56 = 133 (Adding 48 + 8 = 56)