Complete the following series: 4, 36, 252, 1260, .........

A2520

B3780 ✓ Correct

C2780

D3520

Correct answer: (B) 3780

Explanation

The next term is 3780.

Find the ratio between consecutive terms.

36/4 = 9, 252/36 = 7, 1260/252 = 5.

The multipliers 9, 7, 5 decrease by 2, so next is 3.

1260 x 3 = 3780.

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