The ratio of two numbers is 3:4 and their LCM is 120. The sum of numbers is:
Sami Aslam
a) 70 b) 35 c) 40 d) 105
SSC CHSL-2015
70. Solution Let the numbers be 3x and 4x. LCM of 3x and 4x = 12x Given that LCM of 3x and 4x is 12x => 12x = 120 => x = 120⁄12 = 10 Numbers are 30,40 Sum = 30 + 40 = 70
