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?
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Solution
Maximum number of columns which is common to both the groups =HCF(616,32)
616=(32×19)+8 32=(8×4)+0 Remainder in this case is zero. ∴HCF(616,32)=8 Hence, the maximum number of columns=8