The HCF of two nos. is 12 and their LCM is 168. If the sum
of these two nos is 108, then their difference is:
1) 36, 2) 48, 3) 60, 4) 72.

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The HCF of two nos. is 12 and their LCM is 168. If the sum of these two nos is 108, then their dif..

Answer / aaditya

3) 60 is the correct answer
assume the nos as a and b
a+b=108 as given
ab=168*12 (product of 2 nos=product of lcm and hcf)
(a-b)^2=(a+b)^2 - 4ab
so we have

(a-b)^2= 108*108 - (4*168*12)
=3600

thus a-b=60

Is This Answer Correct ?    36 Yes 5 No

The HCF of two nos. is 12 and their LCM is 168. If the sum of these two nos is 108, then their dif..

Answer / venkat

1.............. Hcf is 12 FOR THE NO.S, SO V CAN ASSUME
BOTH ARE MULITPLES OF 12... SO 72 N 36 ARE THE NO WITH SUM
108... HENCE DIFF IS 36

Is This Answer Correct ?    7 Yes 11 No

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