Class 8 Maths - Direct and Inverse Proportions CBSE Worksheets

Q1: The cost of 7m of a particular quality of pipe is ₹200 tabulate the cost of 4 meter of pipe of the same type.
(a) 114.28
(b) 28.114
(c) 11.42
(d) 1.428

Q2: A train is moving at a uniform speed of 60 km/hr. How far will it travel in 30 minutes?
(a) 20
(b) 25
(c) 30
(d) 40

Q3: The scale of map is given as 1:40000000 two cities are 3cm apart on the map. Find the actual distance between them?
(a) 1400
(b) 1300
(c) 1200
(d) 1100

Q4: A train is moving at uniform speed of 60km/hr. Find the time required to cover a distance 200 km?
(a) 200 min
(b) 300 min
(c) 60 min
(d) 250 min

Q5: A machine in Cocacola factory fills 640 bottles in 4 hours. How many bottles will it fill in 5 hours?
(a) 700
(b) 1000
(c) 900
(d) 800

Q6: 5 pipes are required to fill a tank in 1 hour 20 minute. How long will it take if only 4 pipes of the same type are used?
(a) 200 min
(b) 100 min
(c) 60 min
(d) 40 min

Q7: If 10 workers can build a wall in 40 hours how many workers will be required to do the same work in 20 hours?
(a) 10
(b) 30
(c) 20
(d) 40

Q8: Observe the following tables and find which pair of variables are in inverse proportion.
(a)

(b)

(c)

(d)

Q9: There are 50 students in hostel. Food provision for them is for 20 days. How long will these provision last 50 more students join the group?
(a) 15
(b) 20
(c) 30
(d) 10

Q10: A batch of mango were packed in 25 boxes with 20 mangoes in each box if the same batch is packed using 25 mangoes in each box, how many boxes would be filed?
(a) 10
(b) 30
(c) 40
(d) 20

Q11: A farmer has enough food to feed 30 animals in his cattle for 6 days. How long would the food last if there were 12 animals in his cattle?
(a) 14
(b) 12
(c) 15
(d) 13

Q12: Motorcycles takes 2 hour to reach a destination by travelling at the speed of 40km/hr. How long will it take when the motor travels at the speed of 80 km/hr?
(a) 1hr
(b) 2hr
(c) 1.30hr
(d) 2.30hr

Q13: A loaded train travels 28km in 30 minutes. If the speed remains the same, how far can it travel in 5 hours?
(a) 100
(b) 210
(c) 240
(d) 280

Q14: The cost of 10 meters of particular quality of cloth ₹200 tabulate the cost of 8 meters of cloth the same type
(a) 120
(b) 140
(c) 160
(d) 180

Q15: An electric pole 18 meters high castle shadow of 10 meters. Find the height of electric pole that cost a shadow of 20 meters under similar condition?
(a) 32
(b) 36
(c) 34
(d) 40

You can access the solutions to this worksheet here.