CBSE Board Practice

CBSE Grade VIII - Direct and Inverse Proportions
Question 1
1.
If Chandan can read 304 pages in 16 hr, how many pages can he read in 20 hr?
  • 380
  • 378
  • 382
  • 381
  • 379
Question 2
2.
A group of pilgrims have to cover 20 km to reach a shrine. They walk 15 km in 17 hr. At what speed they have to walk to cover the remaining distance in 11 hr ?
  • 2.45 kmph
  • 8.45 kmph
  • 7.45 kmph
  • 0.45 kmph
  • 1.45 kmph
Question 3
3.
If 11 l of oil costs ₹176, how much of oil costs ₹592?
  • 34 l
  • 37 l
  • 42 l
  • 40 l
  • 32 l
Question 4
4.
12 workers take 18 days to build a room. After working for 13 days, 7 workers left. In how many more days is the room built ?
  • 7.00 days
  • 12.00 days
  • 9.00 days
  • 15.00 days
  • 17.00 days
Question 5
5.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      50
      14
      50
      -
      70
      19
      70
      -
      90
      24
      90
      -
      remaining
      29
    • How much amount has to be paid if the consumption is
    • 57 kl
    • .
  • ₹839
  • ₹821
  • ₹851
  • ₹833
  • ₹830
Question 6
6.
If 56 men can do a piece of work in 180 days, how many men can do the same work in 84 days?
  • 121
  • 120
  • 117
  • 119
  • 122
Question 7
7.
A vehicle can cover certain distance in 98 min, running at a speed of 120 kmph. In how many minutes, the vehicle covers the same distance running at a speed of 168 kmph?
  • 70 min
  • 75 min
  • 73 min
  • 65 min
  • 67 min
Question 8
8.
A train from Calcutta travelling at a speed of 120kmph reaches Chennai in 2hr. If the train travels at the speed of 240kmph, what is the time taken to reach Chennai?
  • 0 hr
  • 9 hr
  • 3 hr
  • 1 hr
  • 2 hr
Question 9
9.
If 19 men can make 76 birthday cakes in a day, how many men are needed to make 100 birthday cakes in a day?
  • 26
  • 24
  • 22
  • 25
  • 27
Question 10
10.
18 mangoes weigh 7 kg. If 8 mangoes are needed, how many kgs have to be purchased?
  • 5.11 kg
  • 4.11 kg
  • 1.11 kg
  • 2.11 kg
  • 3.11 kg