CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade X - Real Numbers
Question 1
1.
    • Express
    • 429
      1000
    • as a decimal correct to 3 decimal places
  • 0.429
  • 0.043
  • 0.229
  • 4.29
  • 0.529
Question 2
2.
Which of the following fractions converts to a non-terminating recurring decimal?
  • 2310
    160
  • 247
    16
  • 231
    8
  • 2431
    128
  • 1
    3
Question 3
3.
    • Find the HCF of
    • {12,18}
  • 7
  • 6
  • 3
  • 8
  • 5
Question 4
4.
    • Find the LCM of
    • {240,40}
  • 243
  • 239
  • 238
  • 241
  • 240
Question 5
5.
    • Find the HCF of
    • {760,920,380,960}
  • 21
  • 23
  • 20
  • 18
  • 19
Question 6
6.
    • Find the product of LCM and HCF of
    • {8,25}
  • 198
  • 200
  • 203
  • 199
  • 201
Question 7
7.
    • Find the LCM of
    • {80,280,520,240}
  • 21843
  • 21841
  • 21838
  • 21839
  • 21840
Question 8
8.
    • Find the number of prime factors of
    • 34
  • 0
  • 2
  • 3
  • 1
  • 4
Question 9
9.
Which of the following fractions converts to a terminating decimal?
  • 53
    63
  • 53
    45
  • 1870
    128
  • 241
    18
  • 106
    9
Question 10
10.
5.284 =
  • 1321
    250
  • 1321
    25000
  • 1321
    25
  • 1321
    2500
  • 2642
    5