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REASONING
5 : 21 : : 7 : ?...

5 : 21 : : 7 : ?

A

25

B

49

C

43

D

30

Text Solution

Verified by Experts

The correct Answer is:
C
We have `5 xx (5 -1) + 1 = 21`
Similarly, `7 xx (7 - 1) + 1 = 43`
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