Question

A group of students is to march behind an army band of members in a parade. The two groups must march in the same number of columns. What can be the maximum number of columns in which they march?

A

B

C

D

Medium
Solution
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Correct option is B)

Maximum number of columns which is common to both the groups = HCF (616, 32)

HCF (616, 32):
616 = (32 x 19) + 8
32 = (8 x 4) + 0
Remainder in this case is zero.
∴ HCF (616, 32) = 8

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