Squares and Squ...

Find the square root of $$3136$$ by division method.

Find the square root of $$576$$ by division method.

Find the square root of the following number by division method.
3481

Find the square root of the following number by division method:
4489

Find the least number which must be subtracted from each of the following numbers so as to get a perfect square Also find the square root of the perfect square so obtained 
$$(i) 402, (ii) 1989, (iii) 3250, (iv) 825, (v) 4000$$

Find square root of 8281.

Find the smallest number by which  $$9408$$  must be divided so that the quotient is a perfect square. Find the square root of the quotient.

Find a Pythagorean triplet in which one member is 12 

Find the square root of : (i) $$729$$ (ii) $$1296$$

Find the square root of 6400.