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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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