CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Direct and Inverse Proportions
Question 1
1.
18 mangoes weigh 9 kg. If 8 mangoes are needed, how many kgs have to be purchased?
  • 5.00 kg
  • 2.00 kg
  • 3.00 kg
  • 4.00 kg
  • 6.00 kg
Question 2
2.
If 9 sheets cost ₹72, how much will 39 sheets cost?
  • ₹324
  • ₹312
  • ₹328
  • ₹308
  • ₹284
Question 3
3.
    • 7
    • men take
    • 9
      days
    • to complete a work.
    • How much work is done by one man in one day?
  • (
    -1
    63
    		 )
  • 1
    7
  • 1
    63
  • 1
    9
  • 1
    21
Question 4
4.
If a train travelling at 8.28 m/sec speed covers 159.72 m distance in a certain time, at what speed should it travel to cover 169.56 m distance in the same time ?
  • 10.79 m/sec
  • 7.79 m/sec
  • 8.79 m/sec
  • 9.79 m/sec
  • 6.79 m/sec
Question 5
5.
If Ravi can read 169 pages in 13 hr, how many pages can he read in 12 hr?
  • 156
  • 157
  • 153
  • 155
  • 159
Question 6
6.
The total wage of 19 labourers for 13 days is ₹88920. What will be the total wage of 6 labourers for 20 days ?
  • ₹41900
  • ₹45600
  • ₹44800
  • ₹43200
  • ₹41400
Question 7
7.
    • 7
    • men can do a work in
    • 8
    • days working
    • 7
    • hours a day.
    • In how many days can
    • 19
    • men do the same work, working
    • 9
    • hours a day?
  • 2
    50
    171
    days
  • 2
    16
    57
    days
  • 2
    50
    173
    days
  • 2
    52
    171
    days
  • 2
    50
    169
    days
Question 8
8.
A train from Calcutta travelling at a speed of 20kmph reaches Chennai in 10hr. If the train should reach Chennai in 10hr, what should be its speed?
  • 19 kmph
  • 20 kmph
  • 21 kmph
  • 22 kmph
  • 18 kmph
Question 9
9.
The cost of 19 kg of cabbages is ₹399. How much has to be paid to purchase 12 kg of cabbages ?
  • ₹250
  • ₹260
  • ₹265
  • ₹252
  • ₹238
Question 10
10.
To irrigate 13 acres of a field, 90000 l of water is needed. If 8 more acres are brought under cultivation, how many lts of water is needed?
  • 145384.62 l
  • 173384.62 l
  • 153384.62 l
  • 118384.62 l
  • 132384.62 l