Question

In the following question, select the related number from the given alternatives. 256 : 290 : : 961 : ?

• A. 1011
• B. 1023
• C. 1017
• D. 1025

Answer 1

Answer:

D. 1025

256 → 16 × 16 290 → (17 × 17) + 1 Similarly, 961 → 31 × 31 (32 × 32) + 1 = 1025