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Solution


Q.

If the product of two numbers a and b is 1152 and HCF of a and b is 12, then LCM of a and b is:
1 88  
2 90  
3 92  
4 96  

Ans.

(4)

We have, a × b = 1152 and HCF (a, b) = 12We know that LCM (a, b) × HCF (a, b) = a × b⇒ LCM (a, b) × 12 = 1152⇒ LCM (a, b) = 1152 ÷ 12 = 96