Question

In each of the following questions, select the related word/letters/number/figure from the alternatives. 10 : 99 :: ?

• A. 6 : 37
• B. 7 : 45
• C. 8 : 63
• D. 9 : 85

Answer 1

Answer:

C. 8 : 63

(10)^2= 100 100 – 1 = 99 Similarly, (8)^2= 64 64 – 1 = 63