Question

Find out the wrong number in the series.
1, 2, 8, 33, 148, 760, 4626

Options

• 760

• 148

• 4626

• 2

Answer 1

760

Explanation:

1 × 1 + 1 × 1 =2

2 × 2 + 2 × 2 = 8

8 × 3 + 3 × 3 = 33

33 × 4 + 4 × 4 = 148

148 × 5 + 5 × 5 = 765

765 × 6 + 6 × 6 = 4626