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Question


An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march?


Options:
A .   9
B .   6
C .   7
D .   8
Answer: Option D
:
D

Maximum number of columns = HCF of 616 and 32 
616=23×7×11
32=25
HCF of 616 and 32 = 23 =8



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