CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade X - Real Numbers
Question 1
1.
Which of the following fractions converts to a non-terminating recurring decimal?
  • 83
    5
  • 1
    3
  • 2299
    160
  • 3120
    200
  • 156
    5
Question 2
2.
    • Find the HCF of
    • {30,180}
  • 30
  • 31
  • 27
  • 29
  • 32
Question 3
3.
    • Find the HCF of
    • {780,420}
  • 59
  • 60
  • 57
  • 61
  • 62
Question 4
4.
    • Find the number of prime factors of
    • 1666
  • 0
  • 4
  • 2
  • 1
  • 3
Question 5
5.
18.54 =
  • 927
    500
  • 927
    50
  • 927
    5
  • 927
    5000
  • 1854
Question 6
6.
    • Find the LCM of
    • {20,120,140,110}
  • 9239
  • 9237
  • 9240
  • 9243
  • 9241
Question 7
7.
    • Convert the non-terminating recurring decimal
    • 0.33333333333333...
    • to rational number
  • 1
    3
  • (
    -1
    3
    		 )
  • 1
    5
  • 1
Question 8
8.
    • Find the HCF of
    • {28,24}
  • 2
  • 4
  • 6
  • 3
  • 5
Question 9
9.
    • Find the LCM of
    • {1080,180}
  • 1080
  • 1081
  • 1082
  • 1079
  • 1077
Question 10
10.
    • Find the number of prime factors of
    • 68
  • 1
  • 4
  • 2
  • 0
  • 3