English Medium Class 9 - CBSE Question Bank Solutions

If a, b, c are positive real numbers, then  \[\sqrt{a^{- 1} b} \times \sqrt{b^{- 1} c} \times \sqrt{c^{- 1} a}\] is equal to

 `(2/3)^x (3/2)^(2x)=81/16 `then x = 

The value of \[\left\{ 8^{- 4/3} \div 2^{- 2} \right\}^{1/2}\] is

If a, b, c are positive real numbers, then  \[\sqrt[5]{3125 a^{10} b^5 c^{10}}\]  is equal to

If a, m, n are positive ingegers, then \[\left\{ \sqrt[m]{\sqrt[n]{a}} \right\}^{mn}\] is equal to

If x = 2 and y = 4, then \[\left( \frac{x}{y} \right)^{x - y} + \left( \frac{y}{x} \right)^{y - x} =\]

The value of m for which \[\left[ \left\{ \left( \frac{1}{7^2} \right)^{- 2} \right\}^{- 1/3} \right]^{1/4} = 7^m ,\] is

The value of \[\left\{ \left( 23 + 2^2 \right)^{2/3} + (140 - 19 )^{1/2} \right\}^2 ,\] is 

(256)^0.16 × (256)^0.09

If 10^2y = 25, then 10^-y equals

If 9^x+2 = 240 + 9^x, then x =

If x is a positive real number and x² = 2, then x³ =

If \[\frac{x}{x^{1 . 5}} = 8 x^{- 1}\] and x > 0, then x =

If g = `t^(2/3) + 4t^(-1/2)`, what is the value of g when t = 64?

If \[4x - 4 x^{- 1} = 24,\] then (2x)^x equals

When simplified \[(256) {}^{- ( 4^{- 3/2} )}\] is

If \[\frac{3^{2x - 8}}{225} = \frac{5^3}{5^x},\]  then x =

The value of 64^-1/3 (64^1/3-64^2/3), is

If \[\sqrt{5^n} = 125\] then  `5nsqrt64`=

If (16)^2x+3 =(64)^x+3, then 4^2x-2 =