Find the least number that must be added to $1300$ so as to get a perfect square. Also find the square root of the perfect square.
 

Which of the following is the square of an odd number?

Write a Pythagorean triplet whose smallest member is $20$.

Find the value of the following, using the column method: $(52{)}^2$

Find the value of the following, using the diagonal method: $(67{)}^2$

Find the value of the following, using the column method: ${23}^2$

Find the value of the following, using the column method: $(35{)}^2$

Evaluate $88\times 92$.

Find the value of the following, using the diagonal method: $(256{)}^2$

Find the square of the following number using the shortcut methods.

$106$

Find the value of the following, using the diagonal method: $(137{)}^2$

Using the formula $(a-b{)}^2=(a^2-2ab+b^2)$, evaluate ${196}^2$.

Using the formula $(a+b{)}^2=(a^2+2ab+b^2)$, evaluate ${310}^2$.

Find the value of the following, using the column method: $(96{)}^2$