$$ (17)^{2} + 6 × (13)^{2}-212×6$$

Direction : What value should come in place question mark(?) in the following questions?

0.75 % of 90 + 0.55 % of 80=?

1-[5-{2+(-5+6-2)2}] is equal to 

$$\sqrt{x}÷ \sqrt{144} = 0.02, $$ then the value of x is 

The largest number of five digits, which is a perfect square is 

What mathematical operation should come at the place of ‘?’ in the equation:
2 ? 6 – 12 ÷ 4 +2 =11.

The sum of the squares of 2 number is 146 and the square root of one of them is 5. The cube of the other number is 

The smallest natural number, by which 3000 must be divided to make the quotient a perfect cube, is :