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Aptitude · Q90

Problems On H.C.F And L.C.M

Competitive Exams · Aptitude · question 90

Q90

The LCM of two multiples of 12 is 1056. If one of the number is 132, the other number is ?

A.
12
B.
72
C.
96
Answer
D.
132

Answer: Option C

Solution

Answer: Option C
Solution:
Let number be 12x and 12y respectively
LCM = 12xy
12xy = 1056 (given)
xy = 88
∴ Possible pairs are (1, 88), (8, 11)
Possible numbers are = (12, 1056)(96, 132)
given that one number is 132
so other is 96