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3. 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?

3. 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?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Solution: Given, Number of army contingent members=616 Number of army band members = 32 If the two groups have to march in the same column, we have to find out the highest common factor between the two groups. HCF(616, 32), gives the maximum number of columns in which they can march. By Using Euclid’s algorithm to find their HCF, we get, Since, 616>32, therefore, 616 = 32 × 19 + 8 Since, 8 ≠ 0, therefore, taking 32 as new divisor, we have, 32 = 8 × 4 + 0 Now we have got remainder as 0, therefore, HCF (616, 32) = 8. Hence, the maximum number of columns in which they can march is 8.

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