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42 : 56 : : 132 : ?...

42 : 56 : : 132 : ?

A

156

B

145

C

110

D

240

Text Solution

Verified by Experts

The correct Answer is:
A

`42 = (7)^(2) - 7 = 49 - 7`
`56 = (8)^(2) - 8 = 64 - 8`
Similarly,
`132 = (12)^(2) - 12 = 144 - 12`
Therefore,
`? = (13)^(2) - 13 = 169 - 13 = 156`
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