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1. LCM of two numbers is 936. If their HCF is 4 and one of the numbers is 72, the other is

Solution:
Let two numbers be N1 and N2.
Now, we have
HCF of the numbers × LCM of the numbers = Multiplication of the numbers.
936 × 4 = 72 × N1
Or, N1 = 936×472
Or, N1 = 52

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