CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Direct and Inverse Proportions
Question 1
1.
    • 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
      -
      70
      23
      70
      -
      90
      28
      90
      -
      remaining
      33
    • How much amount has to be paid if the consumption is
    • 26 kl
    • .
  • ₹494
  • ₹468
  • ₹441
  • ₹481
  • ₹463
Question 2
2.
If 10 toys cost ₹50, how much will 25 toys cost?
  • ₹151
  • ₹103
  • ₹125
  • ₹120
  • ₹138
Question 3
3.
13 gm of gold costs ₹39000. What is the cost of 35 gm ?
  • ₹123000
  • ₹105000
  • ₹88000
  • ₹131000
Question 4
4.
    • A can do a piece of work in
    • 15
      hr
    • ,
    • B can do the work in
    • 13
      hr
    • and C in
    • 11
      hr
    • respectively.
    • In how much time can they do it together?
  • 4
    135
    503
    hr
  • 4
    133
    501
    hr
  • 4
    133
    505
    hr
  • 4
    133
    503
    hr
  • 4
    131
    503
    hr
Question 5
5.
The weight of 14 rounds of copper wire is 336 kg. How many rounds of copper wire is present in 600 kg?
  • 25
  • 24
  • 26
  • 22
  • 27
Question 6
6.
A vehicle can cover certain distance in 50 min, running at a speed of 72 kmph. In how many minutes, the vehicle covers the same distance running at a speed of 45 kmph?
  • 83 min
  • 77 min
  • 80 min
  • 75 min
  • 85 min
Question 7
7.
The cost of 19 kg of chillies is ₹551. How much has to be paid to purchase 15 kg of chillies ?
  • ₹460
  • ₹435
  • ₹422
  • ₹421
  • ₹447
Question 8
8.
A banker gave foreign exchange of $16 for ₹640. How many dollars will the customer get for ₹1560 ?
  • $39
  • $36
  • $44
  • $42
  • $34
Question 9
9.
The cost of 5 dozen bananas is ₹200. What is the cost of 22 dozens ?
  • ₹866
  • ₹907
  • ₹880
  • ₹886
  • ₹878
Question 10
10.
The total wage of 5 labourers for 13 days is ₹25350. What will be the total wage of 20 labourers for 16 days ?
  • ₹124800
  • ₹142800
  • ₹117800
  • ₹99800