QA – Placement Quizzes | LCM | Question 4

Ratio of two numbers is 3:2. If LCM of numbers is 60, then smaller number is?
(A) 20
(B) 30
(C) 40
(D) 50

Answer: (A)
Explanation: say, 1st number =3x

2nd number =2x

LCM of numbers = 6x

given LCM = 60

=> x6 = 60

=>x = 10

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