The smallest 4- digit number which is a perfect square is 

What is the value of $${0.74×1.23×0.13\over (0.37)^{3}+(0.41)^{3}-8(0.39)^{3}}$$ ?

The value of $${\sqrt{40+\sqrt{9\sqrt{81}}} }$$ is

What is the value of x $$ {0.081\over x}={0.09\over10}$$ ?

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

125% of 2440 – 75% of 1856 = ?

What is the value of X ?, if 7580 - X = 3440

For what value of m will the system of equations 18x-72y+13=0 and 7x-my-17=0 have no solution?

The value of $$ \sqrt{11.981+7\sqrt{1.2996}}$$ is closest to