Management Aptitude Test 2018 Paper

(c) Given, A + 8 = 42 ...(i)
According to the question,
(A - 3) = 5(B - 3)
⇒ A - 3 = 5B - 15
⇒ 42 - B - 3 = 5B - 15 [By using Eq. (i))
⇒ 6B = 42 - 3 + 15 = 54
⇒ B = 9 yr
∴ A = 42 - 9 = 33 yr
Hence, A - B = 33 - 9 = 24 yr