The ratio of the square of a number and the inverse of its cube is 243/16807. what is the number?

Given that √4096 = 64, the value of √4096 + √40.96 +√0.004096 is-

√6+√6+√6+… is equal to –

What will come in the place of question mark (?) in the following question?

  $$?=5\sqrt{ \left(243 \right)^2}$$

Which of the following quadratic equations has real roots?

The sum of two positive numbers is 20% of the sum of their squares and 25% of the difference of their squares. If the numbers are x and y then, is equal to

Find value of $$ {^3\sqrt{\sqrt{0.000729}}}+^3{\sqrt{0.008}}$$

What is the value of $$ {\sqrt{625}+\sqrt{484}}$$