Relation between the digit of a perfect square and its square root

Find the least number which must be added to 8400 to obtain a perfect square. Find this perfect square and its square root.

Find the least number which must be added to 6203 to abtain a perfect square. Find this perfect square and its square root.

Find the least number which must be subtracted from 7581 to obtain a perfect square. Find this perfect square and its square root.

What least number must be added to 5607 to make the sum a perfect square ? Fnd this perfect square and its square root.

Find the smallest number by which 180 must be multiplied so that it becomes a perfect square.Also find the square root of the perfect square so obtained.

Find the smallest number by which 2925 muse be divided to obtain a perfect square. Also find the square root of the perfect square so obtained.

Find the smallcst number by which 252 must be multiplited to get a perfect square. Also, find the square root of the perfect square so obtained.

Find the least number of six digits which is a perfect square. Find the square root of this number.

Find the greatest number of five digits which is perfect square. What is the square root of this number ?

Find the smallest number by which 9408 must be divided so that it becomes a perfect square. Also,find the square root of the perfect square so obtained.