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10 : 101 :: 20 : ? (A) 200 (B) 201 (C) 4...

10 : 101 :: 20 : ? `(A) 200` `(B) 201` `(C) 400` `(D) 401`

A

200

B

201

C

400

D

401

Text Solution

Verified by Experts

The correct Answer is:
D
`(10)^2` + 1 = 100 + 1 = 101
`(20)^2` + 1 = 400 + 1 = 401
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