CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade X - Real Numbers
Question 1
1.
    • The recurring part of the decimal
    • 15.
      2
    • is
  • 2
  • 222
  • 15.2
  • 221
  • 22
Question 2
2.
14.29 =
  • 1429
    1000
  • 1429
    10000
  • 1429
    100
  • 1429
  • 1429
    10
Question 3
3.
    • Find the prime factorization of
    • 68
  • 2 2
     
    		✕
    16
  • 2 2
     
    		✕
    14
  • 2 2
     
    		✕
    17 2
     
  • 2 2
     
    		✕
    19
  • 2 2
     
    		✕
    17
Question 4
4.
    • Convert the fraction
    • 53
      9
    • to non-terminating recurring decimal
  • 588.
    8
  • 5.
    8
  • 0.05
    8
  • 58.
    8
  • 0.5
    8
Question 5
5.
4.219 =
  • 4219
    10000
  • 4219
    100
  • 4219
    1000
  • 4219
    100000
  • 4219
    10
Question 6
6.
13.85 =
  • 277
    20
  • 277
    2000
  • 277
    2
  • 1385
  • 277
    200
Question 7
7.
    • Express
    • 643
      1000
    • as a decimal correct to 3 decimal places
  • 0.643
  • 0.064
  • 0.743
  • 0.443
  • 6.43
Question 8
8.
    • Find the number of prime factors of
    • 375
  • 0
  • 4
  • 1
  • 2
  • 3
Question 9
9.
    • Find the HCF of
    • {504,168,48}
  • 24
  • 25
  • 22
  • 26
  • 23
Question 10
10.
    • Convert the non-terminating recurring decimal
    • 16.38888888888888...
    • to rational number
  • 59
    4
  • 295
    16
  • 293
    18
  • 295
    18
  • 33
    2