The LCM of two numbers is 84. If the numbers are in the ratio 2 : 3, then the sum of the numbers is:
70
The correct answer is Option 2 i.e. 70.
Let the numbers be 2x and 3x
LCM(2x and 3x) = 6x
⇒ 6x = 84
⇒ x = 14
Sum = 2x + 3x = 5x = 70
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