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ICSE Worksheet for Chapter - 7 Surds And Exponents Class 8

Worksheets For class 8

Find ICSE Worksheet for chapter-7 Surds And Exponents class 8

  1. CLASS-8
  2. BOARD: ICSE
  3. Mathematic Worksheet - 7
  4. TOPIC: Surds And Exponents
  5. For otherICSE Worksheet for class 8 Mathematic check out main page of Physics Wallah.

SUMMARY:

  1. Surds and Radicals:
  2. Let ‘a’ be a rational number and ‘n’ be a positive integer such that Surds And Exponents is an irrational, then Surds And Exponentsis called a surd of the order n and a is called the radical.
  3. Surds And Exponents is a surd if a is a rational number and  is an irrational number.
  4. Law of Radicals:
  5. Surds And Exponents
  6. Exponents:
  7. Law of exponents:
  8. Surds And Exponents

EXERCISE:

  1. If 3x = 500, then the value of 3x-2 is:
    1. 100/9
    2. 1000/9
    3. 500/9
    4. 500/3
  2. If p/q = (2/3)3 (3/2)3 then the value of (p/q)(-10) is:
    1. 1
    2. 0
    3. cannot be determined
    4. None of these
  3. The value of [(-2)-2 ]-3 is:
    1. 64
    2. 32
    3. Cannot be determined
    4. None of these
  4. Simplify: (32)-2/5 (125)-2/3
    1. 4/25
    2. 25/4
    3. 2/5
    4. 5/2
  5. (64)-2/3×(1/4)-3 equals to:
    1. 4
    2. 1/4
    3. 1
    4. 16
  6. If x+1/x = 2, then x8+1/x8 is equal to:
    1. 1
    2. 3
    3. 2
    4. √2
  7. The value of Surds And Exponentsis
    1. 3/2
    2. -3/2
    3. 2/3
    4. -1/2
  8. The exponential form of  Surds And Exponents
    1. 6(-1/2)
    2. 6(1/2)
    3. 6(1/4)
    4. 6
  9. The value of Surds And Exponents
    1. 10
    2. 1
    3. 6
    4. 8
  10. Which of the following is equal to 1? Surds And Exponents
  11. If apaq=ax, then x=
    1. p+q
    2. p-q
    3. pq
    4. p/q
  12. The value of  Surds And Exponents
    1. √3
    2. 2√3
    3. 0
    4. 3√3
  13. If (4)3×(6)4×(10)5= 2x×3y×5z then the value of x+y+z is:
    1. 12
    2. 15
    3. 20
    4. 24
  14. If b=a+c, then (x/y)a (y/x)b (y/x)-c=
    1. 0
    2. 1
    3. 2
    4. – 1
  15. The value of ‘a’ in the following equation: [9/2]-3×[2/9]-6=[2/9]2a-1 [9/2]0
    1. 1
    2. - 2
    3. - 1
    4. 2

Solutions: to worksheet-7 Topic- Surds And Exponents 

  1. (C)
  2. (A)
  3. (A)
  4. (B)
  5. (A)
  6. (C)
  7. (B)
  8. (C)
  9. (A)
  10. (C)
  11. (A)
  12. (C)
  13. (D)
  14. (B)
  15. (C)

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