ICSE Board Practice

ICSE Grade X - Ratio
Question 1
1.
    • The ratio equivalent of the fraction
    • 79

      70
    • =
  • 78
    :
    70
  • 79
    :
    72
  • 70
    :
    79
  • 79
    :
    68
  • 79
    :
    70
Question 2
2.
    • Which of the following is true?
  • 3
    :
    1
    <
    9
    :
    1
  • 6
    :
    5
    >
    8
    :
    1
  • 8
    :
    1
    <
    3
    :
    2
  • 9
    :
    7
    >
    7
    :
    3
  • 7
    :
    5
    >
    8
    :
    5
Question 3
3.
Two numbers are in the ratio 2 : 3. If 20 is added to each number, the ratio becomes 38 : 47. Find the numbers.
  • 14
    :
    21
  • 20
    :
    30
  • 22
    :
    33
  • 16
    :
    24
  • 18
    :
    27
Question 4
4.
    • The fraction equivalent of the ratio
    • 4
      :
      7
    • =
  • 7

    4
  • 4

    5
  • 4

    7
  • 2

    7
  • 6

    7
Question 5
5.
The ratio 3 : 5 is proportional to which of the following ratios?
  • 18
    :
    10
  • 12
    :
    25
  • 6
    :
    30
  • 15
    :
    20
  • 9
    :
    15
Question 6
6.
    • If a : b =
    • 28
      :
      34
    • and b : c =
    • 9
      :
      11
    • ,
    • then a : b : c =
  • 253
    :
    306
    :
    374
  • 252
    :
    309
    :
    374
  • 251
    :
    306
    :
    374
  • 252
    :
    304
    :
    374
  • 252
    :
    306
    :
    374
Question 7
7.
The ages of A and B are in the ratio 4 : 5. 7 years hence, their ages will be in the ratio 9 : 11. Find their present ages.
  • 48
    :
    60
  • 64
    :
    80
  • 52
    :
    65
  • 56
    :
    70
Question 8
8.
    • Find the product of extremes of
    • 13

      12
      :
      6

      19
    • and
    • 7

      3
      :
      19

      6
  • 245

    72
  • 83

    24
  • 14

    19
  • 247

    70
  • 247

    72
Question 9
9.
    • Increase
    • 120
    • in the ratio
    • 3 : 6
  • 240
  • 237
  • 241
  • 243
  • 239
Question 10
10.
Divide 3614 in the ratio 17 : 9
  • 2362 , 1251
  • 2364 , 1251
  • 2363 , 1251
  • 2363 , 1249
  • 2363 , 1254