If $$ {(x^{3})^{3} × x^{5}\over{x^{4}}}=x^{n}$$ then find the value of n.

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

  $$?=5\sqrt{ \left(243 \right)^2}$$

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

Find the square root of (272² - 128²).

Which of the following quadratic equations has real roots?

If p = 124, $$3\sqrt{p(p^2-3p+3)-1}=?$$

√60+√10+√36=?

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