Magic Square

Q. If\sqrt[3]{x\sqrt{2-3\sqrt2}}-\sqrt2 =0 then x =

Q.

Without actual calculation find the value of 31 square minus 30 square

Q. How many numbers lie between squares of 15 and 16 ?

Q.

Complete the magic square:

$\begin{array}{cccc}& 14& & 0\\ 8& & 6& 11\\ 4& & & 7\\ & 2& 1& 12\end{array}$

Q.

The square of a number of the form 5 + a is equal to

1. (25 + a) + 100 + a²

2. (25 + a) × 100 × a²

3. (25 × a) + 100 + a²

4. 5(5 + 2a) + a²

Q. How to find square by diagonal method

Q. 3^q=1 then q is equal t