Posted in Adults, Kids

Q66

Find the pair.

(4 : 19) :: (7 : ?)
a. 54
b. 55
c. 57
d. 59

Answer: (b)

4 × 5 – 1 = 20 -1 = 19

Similarly, 7 × 8 – 1 = 56 – 1 = 55

ANSWER