Problems on LCM & HCF Mcqs

Q.  Find the highest common factor of 36 and 84.

a. 4
b. 6
c. 12
d. 18


ANSWER: See Answer
 
36 = 22 * 32; 84 = 22 * 3 * 7

H.C.F = 22 * 3 = 12
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