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16 16 40 140 840 7980 ?...

16 16 40 140 840 7980 ?

A

126390

B

132690

C

136290

D

123690

Text Solution

Verified by Experts

The correct Answer is:
D
The given sequence of number follows the pattern :
`xx 1,xx 2.5, xx 3.5 Le. (1 + 2.5), xx 6`
i.e. `(2.5 + 3.5), xx 9.5 `
i.e. `(3.5 + 6), xx 15.5 i.e. (6 + 9.5)`.

Therefore, Missing number `= 7980 xx 15.5 = 123690`.
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