ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Ratio and Proportion
Question 1
1.
    • Find the product of means of
    • 10
      17
      		:
      9
      2
    • and
    • 15
      4
      		:
      1
      20
  • 45
    2
  • 135
    8
  • 137
    8
  • 133
    8
  • 1
    34
Question 2
2.
The ratio of males to females in a committee of 570 members is 17 : 13. How many more ladies should be added to the committee so that the ratio of males to females is 323 : 297?
  • 47
  • 50
  • 49
  • 51
  • 52
Question 3
3.
    • If a : b =
    • 1
      		:
      2
    • , b : c =
    • 1
      		:
      5
    • and c : d =
    • 3
      		:
      6
    • ,
    • then a : b : c : d =
  • 1
    		:
    -1
    		:
    10
    		:
    20
  • 0
    		:
    2
    		:
    10
    		:
    20
  • 1
    		:
    4
    		:
    10
    		:
    20
  • 2
    		:
    2
    		:
    10
    		:
    20
  • 1
    		:
    2
    		:
    10
    		:
    20
Question 4
4.
    • Divide 37665 in the ratio
    • 7
      5
      		:
      2
      5
      		:
      6
      7
  • 19845 , 5668 , 12150
  • 19844 , 5670 , 12150
  • 19845 , 5672 , 12150
  • 19846 , 5670 , 12150
  • 19845 , 5670 , 12150
Question 5
5.
    • Find the number which bears the same ratio
    • to
    • 1
      2
    • that
    • 3
      5
    • does to
    • 7
      20
  • 2
    3
  • 6
    7
  • 6
    5
  • 4
    7
  • 8
    7
Question 6
6.
The work done by (11x) men in (2) days and work done by (x + 2) men in (6x + 3) days is in the ratio of 10 : 21 . Find the value of x
  • 8
  • 6
  • 4
  • 3
  • 5
Question 7
7.
Find the ratio between 8 hr and 14 days
  • 1
    		:
    39
  • 0
    		:
    42
  • 1
    		:
    45
  • 1
    		:
    42
Question 8
8.
    • Find the product of extremes of
    • 3
      8
      		:
      13
      8
    • and
    • 8
      11
      		:
      13
      6
  • 13
    14
  • 13
    16
  • 11
    16
  • 15
    16
  • 13
    11
Question 9
9.
An office contains 175 managers, 35 team leaders, 210 developers and 35 testers. The ratio of all employees in the office =
  • 5
    		:
    4
    		:
    6
    		:
    1
  • 5
    		:
    1
    		:
    6
    		:
    1
  • 5
    		:
    -1
    		:
    6
    		:
    1
  • 4
    		:
    1
    		:
    6
    		:
    1
  • 6
    		:
    1
    		:
    6
    		:
    1
Question 10
10.
Divide 17856 in the ratio 28 : 40 : 25
  • 5377 , 7680 , 4800
  • 5376 , 7682 , 4800
  • 5376 , 7680 , 4800
  • 5376 , 7677 , 4800
  • 5375 , 7680 , 4800