Exponents and Surds

IMPORTANT

Exponents and Surds: Overview

This topic covers concepts, such as Surds, Radical Sign, Laws of Exponents for Real Numbers, Square Root of a Real Number, nth Root of a Real Number, Algebraic Identities Involving Square Roots, Algebraic Identities of Square Roots of Real Numbers, Quotient Property of Square Roots & Laws of Exponents for Real Numbers when Exponents Are Fractions etc.

Important Questions on Exponents and Surds

EASY
IMPORTANT

If 2048=2x,2187=3y and  3125=5z then the value of x+y-z=

HARD
IMPORTANT

If 5x+1+52-x=126, then x is equal to

EASY
IMPORTANT

If x, y and z are positive real numbers and a, b and c are rational numbers, then value of 11+xb-a+xc-a+11+xa-b+xc-b+11+xb-c+xa-c

EASY
IMPORTANT

  The roots of the equation 5x+1+52-x=53+1 will be _____. 

MEDIUM
IMPORTANT

Value of 12513.3215 will be

MEDIUM
IMPORTANT

The value of 27-33201055+12214020 is

MEDIUM
IMPORTANT

If 5+x3=3, then the value of x is 

MEDIUM
IMPORTANT

If 81y=127x, then the value of x in terms of y is

HARD
IMPORTANT

Of which number is 10608049 a square ?

MEDIUM
IMPORTANT

If a, b and c are integers such that 43+23-24a3+2b3+c=20 , then which one of the following is true?

HARD
IMPORTANT

The number of digits in 2120×5124 is 

HARD
IMPORTANT

If  x2+x4y23+y2+x2y23=K, then which of the following is true?

HARD
IMPORTANT

The 100th root of 101010 is

MEDIUM
IMPORTANT

If 25x-1=52x-1-100, then the value of x is

EASY
IMPORTANT

The fraction 2(2+6)3(2+3) is equal to

EASY
IMPORTANT

Value of (81)-24 is