ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade X - Ratio
Question 1
1.
    • If a : b =
    • 7
      3
      		:
      6
      5
    • , b : c =
    • 9
      8
      		:
      8
      5
    • and c : d =
    • 5
      2
      		:
      7
      8
    • ,
    • then a : b : c : d =
  • 875
    		:
    447
    		:
    640
    		:
    224
  • 875
    		:
    450
    		:
    640
    		:
    224
  • 875
    		:
    452
    		:
    640
    		:
    224
  • 876
    		:
    450
    		:
    640
    		:
    224
  • 874
    		:
    450
    		:
    640
    		:
    224
Question 2
2.
The ages of A and B are in the ratio 9 : 7. 5 years ago, their ages were in the ratio 4 : 3. Find their present ages.
  • 36
    		:
    28
  • 63
    		:
    49
  • 27
    		:
    21
  • 45
    		:
    35
Question 3
3.
    • If
    • 3
    • A =
    • 5
    • B and
    • 8
    • B =
    • 9
    • C,
    • find A : C
  • 16
    		:
    8
  • 15
    		:
    8
  • 15
    		:
    5
  • 14
    		:
    8
  • 15
    		:
    10
Question 4
4.
    • Find the sub-duplicate of the given ratio
    • 121
      		:
      25
    • =
  • 11
    		:
    5
  • 11
    		:
    2
  • 10
    		:
    5
  • 12
    		:
    5
  • 11
    		:
    8
Question 5
5.
The ages of A and B are in the ratio 3 : 4. 7 years hence, their ages will be in the ratio 7 : 9. Find their present ages.
  • 42
    		:
    56
  • 48
    		:
    64
  • 36
    		:
    48
  • 39
    		:
    52
Question 6
6.
    • The sides of a triangle are in the ratio
    • 1
      9
      		:
      1
      5
      		:
      1
      6
    • and its perimeter is
    • 516 cm
    • .
    • Find the lengths of the sides of the triangle
  • 120
    cm
    		:
    216
    cm
    		:
    180
    cm
  • 125
    cm
    		:
    211
    cm
    		:
    180
    cm
  • 115
    cm
    		:
    221
    cm
    		:
    180
    cm
  • 115
    cm
    		:
    216
    cm
    		:
    185
    cm
  • 125
    cm
    		:
    216
    cm
    		:
    175
    cm
Question 7
7.
    • What number must be added to each term of the ratio
    • 120
      		:
      140
    • to make it
    • 24
      		:
      25
    • ?
  • 363
  • 361
  • 358
  • 359
  • 360
Question 8
8.
A certain amount has been divided into two parts in the ratio 6 : 2. If the first part is 150, find the total amount.
  • 201
  • 198
  • 199
  • 203
  • 200
Question 9
9.
    • The consequent in the ratio
    • 1
      2
      		:
      5
      14
    • =
  • 5
    14
  • 5
    12
  • 1
    2
  • (
    -1
    2
    		 )
Question 10
10.
A bag contains ₹462 in the form of five-rupee, two-rupee and one-rupee coins in the ratio 7 : 13 : 16. Find the number of coins of each type
  • 40 , 83 , 96
  • 42 , 78 , 96
  • 44 , 73 , 96
  • 41 , 78 , 101
  • 43 , 83 , 91