CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Direct and Inverse Proportions
Question 1
1.
The weight of 15 rounds of copper wire is 420 kg. How many rounds of copper wire is present in 672 kg?
  • 22
  • 24
  • 26
  • 25
  • 23
Question 2
2.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      50
      18
      50
      -
      60
      23
      60
      -
      90
      28
      90
      -
      remaining
      33
    • How much amount has to be paid if the consumption is
    • 36 kl
    • .
  • ₹633
  • ₹675
  • ₹636
  • ₹648
  • ₹662
Question 3
3.
If 9 l of petrol costs ₹117, how much will 35 l cost?
  • ₹459
  • ₹440
  • ₹479
  • ₹447
  • ₹455
Question 4
4.
The cost of 11 pens is ₹187 and 13 pencils is ₹117. With an amount of ₹391, 14 pens are purchased. How many pencils can be purchased with the remaining amount ?
  • 20
  • 16
  • 18
  • 17
  • 15
Question 5
5.
If Naveen can read 26 pages in a 156 pages book in 2 hr, how much more time will it take to complete the book?
  • 5 hr
  • 13 hr
  • 15 hr
  • 7 hr
  • 10 hr
Question 6
6.
A banker gave foreign exchange of $11 for ₹440. How many dollars will the customer get for ₹1520 ?
  • $35
  • $43
  • $38
  • $33
  • $41
Question 7
7.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      20
      12
      20
      -
      40
      17
      40
      -
      60
      22
      60
      -
      remaining
      27
    • How much amount has to be paid if the consumption is
    • 39 kl
    • .
  • ₹576
  • ₹548
  • ₹563
  • ₹549
  • ₹567
Question 8
8.
A vehicle can cover certain distance in 165 min, running at a speed of 60 kmph. At what speed must the vehicle run to cover the same distance in 150 min?
  • 63 kmph
  • 69 kmph
  • 71 kmph
  • 66 kmph
  • 61 kmph
Question 9
9.
The sales tax for ₹100 of a bill is ₹10. How much sales tax has to be paid for a bill of ₹205 ?
  • ₹23.50
  • ₹25.50
  • ₹15.50
  • ₹17.50
  • ₹20.50
Question 10
10.
Cost of 10 toys of TypeA is ₹90 and 17 toys of TypeB is ₹221. Out of a sum of ₹153, 12 toys of TypeA are purchased. If 5 toys of TypeB have to be purchased, how much extra amount is needed?
  • ₹15
  • ₹17
  • ₹23
  • ₹20
  • ₹25