Q.1 Use Euclid's division algorithm to find the HCF of :
Q.2 Show that any positive odd integer is of the form 6q+1, or 6q+3, or 6q+5, where q is some integer.
Q.3 An army contingent of 616 members is to march behind an army band of 32 members is 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?
Q.4 Use Euclid's division lemma to show that the square of any positive integer is either of form 3m or 3m+1 for some integer m.
Q.5 Use Euclid's division lemma to show that the the cube of any positive integer is of the form 9m, 9m+1 or 9m+8.
[Same as 4th Question Do it Your self]
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