L.C.M. of two numbers is 120 and their H.C.F. is 10. Which of the following can be the sum of those two numbers
L.C.M. of two numbers is 120 and their H.C.F. is 10. Which of the following can be the sum of those two numbers 1). 140 2). 80 3). 60 4). 70
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2 answers
Answered by
Guest on
2018-01-20 03:47:24 | Votes
31 |
#
Answer for this question is option 4
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Answered by
Guest on
2018-04-10 22:42:24 | Votes
23 |
#
Let the numbers be 10x and
10y where x and y are prime to
each other.
LCM = 10 xy
10xy = 120
xy = 12
Possible pairs = (3, 4) or (1, 12)
Sum of the numbers
= 30 + 40 = 70
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