Challenger Logo

Challenger App

Get it on Google PlayGet it on App Store
App Logo

No.1 PSC Learning App

★
★
★
★
★
1M+ Downloads
Get App
20 : 480 :: 25 : ?

A700

B725

C655

D625

Answer:

B. 725

Read Explanation:

First number^2 + (First number × 4) 20 : 480 → 20^2 + (20 × 4) = 400 + 80 = 480 25 : ? → 25^2 + (25 × 4) = 625 + 100 = 725

Related Questions:

AZBY : CXDW : : HSIR : ?
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 4:8::8:32:: 12:?

Select the option that is related to the third term in the same way as the second term is related to the first term.

23 : 13 :: 43 : ?

A, B, C, D, E and F are sitting in six chairs regularly placed around a round table. It is observed that A is between D and F, C is opposite to D, D and E are not on neighboring chairs. Which one of the following must be true?
In the following question, select the related number from the given alternatives. 59 : 45 :: 63 : ?