Problems on Surds and Indices

Learn and practice Problems on surds and indices with easy explaination and shortcut tricks. All questions and answers on surds and indices covered for various Competitive Exams

Solve Problems:

1) The value of 51/4 x (125)0.25 is

  1. root 5
  2. 5 * root 5 
  3. 5
  4. 25

2) Value of (256)0.16 x (256)0.09 is

  1. 64
  2. 4
  3. 8
  4. 16

3) If 42x =1/32 , then x is

  1. 5/4
  2. 4/5
  3. 3/5
  4. None of these

4) + 2-3 is equal to

  1. 2n+1
  2. -2n+1 + 1/8
  3.  9/8 – 2n
  4. 1

5) is equal to

  1. -3/2
  2. -1/2
  3. 2/3
  4. 3/2

6) is equal to

  1. a
  2. 1
  3. a1/3
  4. a3

7) The value of x1/2. Y-1 .z2/3 , when x = 9, y = 3, and z = 8 is

  1. 18
  2. 12
  3. 6
  4. 4

8) If m and n are whole numbers such that, mn = 121, then the value of (m-1)n+1 is

  1. 1
  2. 10
  3. 121
  4. 1000

9) is equal to

  1. 2- 2^0.5
  2. 2^0.5 -2
  3. 3-2*2^0.5
  4. 1

10)

  1. 0
  2. xabc
  3. x(a+b+c)
  4. 1

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