The LCM of two prime numbers p and q (p > q) is 221. Find the value of 3p – q. (a) 4 (b) 28 (c) 38 (d) 48

The LCM of two prime numbers p and q (p > q) is 221. Find the value of 3p – q.

Options

(A) 28
(B) 4

(C) 48
(D) 38

Option (D) 38 is the correct answer. Explanation: LCM of two prime numbers = product of the numbers 221= 13 x 17. So p= 17 & q= 13 ∴ 3p - q= 51-13 =38