ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Powers and Roots
Question 1
1.
Which of the following is a perfect cube?
  • 999
  • 126
  • 5
  • 515
  • 27
Question 2
2.
Which of the following is not a perfect square?
  • 2025
  • 783
  • 784
  • 36
  • 625
Question 3
3.

    • √

      1
      4
    • =
  • (
    -1
    2
    		 )
  • 1
    4
  • 1
  • 3
    2
  • 1
    2
Question 4
4.
    • Find the cube root of
    • 729
  • 6
  • 12
  • 84
  • 81
  • 9
Question 5
5.
    • 10
      0
    • =
  • ∞
  • 1
  • -1
  • 0
  • undefined
Question 6
6.
    • -1
      2
    • =
  • 1
  • -1
  • 0
  • ∞
  • undefined
Question 7
7.
    • Find the square root of
    • 800.949
  • 28.301
  • 27.301
  • 29.301
  • 30.301
  • 26.301
Question 8
8.
The smallest number by which 243 must be multiplied so that the product is a perfect cube is?
  • 2
  • 3
  • 4
  • 0
  • 1
Question 9
9.
The smallest number by which 27 must be multiplied so that the product is a perfect square is?
  • 3
  • 4
  • 6
  • 1
  • 2
Question 10
10.
    • 3
      √

      0.7290
    • =
  • 0.9
  • 1.1
  • 1
  • 0.09
  • 0.8