The LCM of two positive nos is 168 and their product is 504.
what is the difference in their squares?
A. 175 B.216 C.9 D.135
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Answer / aashima
The ans of this question 135.
it means 3 will come in both the numbers as 3 is coming
once in LCM but coming as 9 in product.
so possible numbers are 24 and 21.
so diff of products is 24*24-21*21=135
|Is This Answer Correct ?||66 Yes||3 No|
Answer / prasun bose
let the numbers be a and b
so by question---ab=504 the product
and LCM= ab/common factor=168
so common factor=ab/168 =504/168 =3
factors of LCM 168=2,2,2,3,7
so taking 3 on both side,we have
2,2,2and3 is one nunber and the other is
3,and 7 . so the numbers are 24 and 21
now the difference of the square of these nunbers
thus the answer is D
|Is This Answer Correct ?||31 Yes||1 No|
Answer / jagdish
|Is This Answer Correct ?||17 Yes||5 No|
Answer / sumit sourabh
|Is This Answer Correct ?||9 Yes||2 No|
Answer / harsha
LCM * HCF=product of 2 numbers(a*b)
HCF will be 3.
therefore 504 is product of 2 numbers which are multiples of 3..
find out those 2 numbers which are multiples of 3 and their product is 504.
504=24*21...i.e., a=24 ,b =21
difference between products=(24*24)-(21*21)=576-441=135.
|Is This Answer Correct ?||2 Yes||0 No|
Answer / raguldeeban
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Answer / venukumar bn
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Answer / siva
Answer 4 is absolutely correct
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Answer / n.mohamed gibereel
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Answer / guest
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