1.Write a Pythagorean triplet whose smallest member is,

(i) 6(ii) 14(iii) 16(iv) 20

2.Fill in the blanks:

(i) The square of an even number is …………………

(ii) The square of an odd number is …………………

(iii) The perfect square always ends in.. & never ends in.

(iv) Sum of two consecutive numbers is square of..

(v) Product of. is added to 1 we get square number.

3. Express these perfect Squares as sum of odd numbers.(i)49(ii)64(iii)100(iv)225