Question

In each series, only one number is wrong. Find out the wrong number.
1, 3, 10, 36, 152, 760, 4632

Options

• 3

• 36

• 4632

• 760

Answer 1

760
Explanation:                                       770
1          3         10         36       152        760       4632

 x 1+ 2   x 2 + 4  x 3 + 6  x 4 + 8  x 5 + 10  x 6 + 12
From the above, we can say that 760 is wrong in the given series. 770 should come in place of 760.