CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Direct and Inverse Proportions
Question 1
1.
The sales tax for ₹100 of a bill is ₹10. How much sales tax has to be paid for a bill of ₹267 ?
  • ₹21.70
  • ₹26.70
  • ₹31.70
  • ₹23.70
  • ₹29.70
Question 2
2.
    • A can do a work in
    • 4
      days
    • and B can do the same work in
    • 7
      days
    • .
    • If they work together, in how much time is the work completed?
  • 2
    6
    11
    days
  • 2
    4
    11
    days
  • 2
    8
    11
    days
  • 2
    6
    13
    days
  • 2
    2
    3
    days
Question 3
3.
    • A can do a work in
    • 8
      days
    • .
    • With the help of B, A can do the same work in
    • 4
      days
    • .
    • In how many days can B alone do the work?
  • 11
    days
  • 9
    days
  • 6
    days
  • 7
    days
  • 8
    days
Question 4
4.
If Ashish can read 210 pages in 15 hr, he can read 168 pages in how many hours?
  • 12 hr
  • 7 hr
  • 15 hr
  • 9 hr
  • 17 hr
Question 5
5.
35 men or 21 women can earn ₹1050 per day. How much is earned by 18 men and 12 women in a day?
  • ₹1300
  • ₹1140
  • ₹1380
  • ₹990
  • ₹960
Question 6
6.
The specification on a printer says that it prints 2450 pages in 35 min. If 5600 pages have to be printed, how long will it take ?
  • 80 min
  • 77 min
  • 85 min
  • 83 min
  • 75 min
Question 7
7.
A vehicle can cover certain distance in 60 min, running at a speed of 77 kmph. At what speed must the vehicle run to cover the same distance in 132 min?
  • 30 kmph
  • 32 kmph
  • 35 kmph
  • 38 kmph
  • 40 kmph
Question 8
8.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      30
      18
      30
      -
      60
      23
      60
      -
      80
      28
      80
      -
      remaining
      33
    • How much amount has to be paid if the consumption is
    • 88 kl
    • .
  • ₹1974
  • ₹2334
  • ₹2054
  • ₹2114
  • ₹1884
Question 9
9.
17 m of cloth is required to stitch 6 dresses. How many meters of cloth is required to stitch 21 dresses?
  • 56.50 m
  • 59.50 m
  • 54.50 m
  • 62.50 m
  • 64.50 m
Question 10
10.
    • If
    • 12
    • men can build
    • 1
      9
    • of a wall in
    • 49 days
    • ,
    • in how much more time is the wall completely built ?
  • 388 days
  • 399 days
  • 405 days
  • 392 days
  • 374 days