Subject Experts Solutions for Chapter: Squares and Square Roots, Exercise 4: SUMMATIVE ASSESSMENT

${\left(40+3\right)}^2$ is equal to

Find the value of $\sqrt{0.0081}$

Find the length of the diagonal of a rectangle with dimensions $20 \mathrm{m}$ by $15 \mathrm{m}$.

Find the least number by which $216$ must be divided to make the result a perfect square.

If the area of a square is $38.44 \mathrm{sq} \mathrm{cm}$, then find the side of the square.

During a mass drill exercise $6250$ students of different schools were arranged in rows such that the number of students in each row was equal to the number of rows.  In doing so,the instructor found out that $9$ children were left out. Find the number of children in each row.

The area of a square field is $101\frac{1}{400} \mathrm{sq} \mathrm{m}$.  Find the length of one side of the field in decimals.

A general wishing to arrange his men, who were $335250$ in number in the form of a square found that there were $9$ men left over. How many were there in each row?