CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Direct and Inverse Proportions
Question 1
1.
A train covers a certain distance at a speed of 23.79 m/sec in 15.77 sec. If it travels at 7.52 m/sec, in what time it covers the same distance ?
  • 50.90 sec
  • 51.90 sec
  • 47.90 sec
  • 48.90 sec
  • 49.90 sec
Question 2
2.
If Surya can make 108 donuts in 9 min, in how much time can he complete an order of 516 donuts ?
  • 48 min
  • 40 min
  • 38 min
  • 46 min
  • 43 min
Question 3
3.
The cost of 17 kg of cauliflowers is ₹374. How many kgs of cauliflowers can be purchased with ₹484 ?
  • 19 kg
  • 17 kg
  • 25 kg
  • 22 kg
  • 27 kg
Question 4
4.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      30
      16
      30
      -
      70
      21
      70
      -
      80
      26
      80
      -
      remaining
      31
    • How much amount has to be paid if the consumption is
    • 76 kl
    • .
  • ₹1746
  • ₹1326
  • ₹1596
  • ₹1316
  • ₹1476
Question 5
5.
If Raju can read 20 pages in a 110 pages book in 2 hr, how much more time will it take to complete the book?
  • 9 hr
  • 7 hr
  • 10 hr
  • 11 hr
  • 8 hr
Question 6
6.
20 mangoes weigh 5 kg. If 8 mangoes are needed, how many kgs have to be purchased?
  • 3.00 kg
  • 4.00 kg
  • 1.00 kg
  • 2.00 kg
  • 0.00 kg
Question 7
7.
The cost of 21 kg of carrots is ₹567. How much has to be paid to purchase 12 kg of carrots ?
  • ₹337
  • ₹308
  • ₹351
  • ₹324
  • ₹306
Question 8
8.
If 6 l of fruit drink costs ₹108, how much will 25 l cost?
  • ₹432
  • ₹477
  • ₹450
  • ₹437
  • ₹455
Question 9
9.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      40
      18
      40
      -
      60
      23
      60
      -
      70
      28
      70
      -
      remaining
      33
    • How much amount has to be paid if the consumption is
    • 80 kl
    • .
  • ₹1560
  • ₹2070
  • ₹1790
  • ₹1620
  • ₹1840
Question 10
10.
A person has to travel from one town to another town which is at a distance of 224 km. He covers 96 km in 6 hr. In how much more time will he reach his destination?
  • 8 hr
  • 10 hr
  • 9 hr
  • 7 hr
  • 6 hr