ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Powers and Roots
Question 1
1.
Find the smallest 3 digit number which is a perfect square?
  • 99
  • 101
  • 100
  • 103
  • 97
Question 2
2.
The smallest number by which 72 must be multiplied so that the product is a perfect cube is?
  • 3
  • 4
  • 2
  • 1
  • 0
Question 3
3.
    • Find the exponential notation of
    • 12
    • ✕
    • 12
    • ✕
    • 12
    • ✕
    • 12
  • 9 4
     
  • 12 3
     
  • 12 4
     
  • 12 5
     
  • 14 4
     
Question 4
4.
    • Find the square root of
    • 9454.1000
  • 98.2322
  • 97.2322
  • 95.2322
  • 99.2322
  • 96.2322
Question 5
5.
    • 3
      √

      1
      125
    • =
  • 3
    5
  • 1
    5
  • (
    -1
    5
    		 )
  • 1
    3
  • 1
    7
Question 6
6.
    • Find the exponential notation of
    • 6
    • ✕
    • 6
    • ✕
    • 6
  • 6 4
     
  • 8 3
     
  • 6 2
     
  • 4 3
     
  • 6 3
     
Question 7
7.
    • 0
      6
    • =
  • 1
  • undefined
  • 0
  • -1
  • ∞
Question 8
8.
    • -1
      9
    • =
  • 0
  • 1
  • undefined
  • ∞
  • -1
Question 9
9.
Which of the following is a perfect cube?
  • 213
  • 124
  • 28
  • 1003
  • 343
Question 10
10.
    • -1
      2
    • =
  • 1
  • 0
  • ∞
  • -1
  • undefined