Two numbers are in the ratio 3:4 and their LCM is 120. Find the sum of the
two number
Answers
Answered by
15
Answer:
Solution: The two numbers are, say, 3x and 4x, Their HCF = x and their LCM = 120. Or. 3*4*x = 12x = 120. Thus, x = 10.
Answered by
17
SOLUTION
GIVEN
Two numbers are in the ratio 3 : 4
Their LCM is 120.
TO DETERMINE
The sum of the two number
EVALUATION
Here it is given that two numbers are in the ratio 3 : 4
Let the numbers are 3m and 4m
LCM
= 3 × 4 × m
= 12m
So by the given condition
12m = 120
⇒ m = 10
Hence the sum of the two number
= 3m + 4m
= 7m
= 7 × 10
= 70
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