Problems on HCF and LCM

This Article consist of most important ” Problems on HCF and LCM ” topic that are mostly asked in all competitive exams. We collected these questions from the students who appeared in exams. Now try to solve these questions.

Problems on HCF and LCM

 

Question : 1    L.C.M of 22, 54, 108, 135 and 198 is :

A. 330
B. 1980
C. 5940
D. 11880

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Correct Answer :   C
Explanation :
L.C.M is 5940.

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Question : 2    Find the H.C.F of 42, 63 and 140:

A. 14
B. 9
C. 21
D. 7

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Correct Answer :   D
Explanation :
H.C.F of 42 and 63 is 21
H.C.F of 21 and 140 is 7
H.C.F of 42, 63 and 140

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