ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Powers and Roots
Question 1
1.
    • Simplify
    •  
    		•
      3
      √

      27
      +
      3
      √

      8
      3
      √

      1000
      −
      3
      √

      1331
    • =
  • -6
  • -7
  • -2
  • -4
  • -5
Question 2
2.
    • Find the exponential notation of
    • -2
    • ✕
    • -2
    • ✕
    • -2
    • ✕
    • -2
    • ✕
    • -2
  • (-2) 4
     
  • (-2) 6
     
  • (-2) 5
     
  • 1
  • (-4) 5
     
Question 3
3.
How many digits are there in the square root of 36481?
  • 4
  • 3
  • 2
  • 0
  • 6
Question 4
4.
Find the smallest 2 digit number which is a perfect square?
  • 14
  • 16
  • 17
  • 18
  • 15
Question 5
5.
    • Find the
    • square root
    • of
    • 4
  • -1
  • 1
  • 3
  • 2
  • 5
Question 6
6.
Find the smallest 4 digit number which is a perfect square?
  • 1025
  • 1021
  • 1023
  • 1024
  • 1026
Question 7
7.
    • Find the exponential notation of
    • 7
    • ✕
    • 7
    • ✕
    • 7
    • ✕
    • 7
  • 4 4
     
  • 9 4
     
  • 7 4
     
  • 7 5
     
  • 7 3
     
Question 8
8.
    • -1
      7
    • =
  • 0
  • undefined
  • 1
  • -1
  • ∞
Question 9
9.
    • 3
      √

      64
      125
    • =
  • 4
    7
  • 6
    5
  • 4
    5
  • 2
    5
  • 4
    3
Question 10
10.
    • -1
      6
    • =
  • undefined
  • ∞
  • -1
  • 0
  • 1