EASY
8th CBSE
IMPORTANT
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Oranges cost ₹60 for 4 dozens in the supermarket. What is the cost of 12 oranges?

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Important Questions on Direct and Inverse Variation

MEDIUM
8th CBSE
IMPORTANT
Mathematics>Chapter 4 - Direct and Inverse Variation>TEST YOUR SKILLS>Q 1
The cost of 5 metres of a particular quality of cloth is ₹210. Calculate the cost of  2, 4, 10 and 13 metres of cloth of the same type.
HARD
8th CBSE
IMPORTANT
Mathematics>Chapter 4 - Direct and Inverse Variation>TEST YOUR SKILLS>Q 2
The scale of a map is given as 1:30000000. Two cities are 4 cm apart on the map. If the actual distance is y km, find the value of y.
EASY
8th CBSE
IMPORTANT
Mathematics>Chapter 4 - Direct and Inverse Variation>TEST YOUR SKILLS>Q 3
Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What should be her distance covered in map in cm?
EASY
8th CBSE
IMPORTANT
Mathematics>Chapter 4 - Direct and Inverse Variation>TEST YOUR SKILLS>Q 4
A machine in a soft drink factory fills 840 bottles in six hours. If it fills k bottles in 5 hours, then find the value of k.
MEDIUM
8th CBSE
IMPORTANT
Mathematics>Chapter 4 - Direct and Inverse Variation>TEST YOUR SKILLS>Q 5
If 15 workers can build a wall in 48 hours. If k workers will be required to do the same work in 30 hours, then find the value of k.
EASY
8th CBSE
IMPORTANT
Mathematics>Chapter 4 - Direct and Inverse Variation>TEST YOUR SKILLS>Q 6

Verify whether x and y vary directly with each other. If so, find k.

x 2 3 5 6
y 6 9 17 20
EASY
8th CBSE
IMPORTANT
Mathematics>Chapter 4 - Direct and Inverse Variation>TEST YOUR SKILLS>Q 7
A man deposited ₹5000 in a bank and earned an interest of ₹600 in 2 years. How much interest (in ₹) would a deposit of ₹8000 earn in the same period? (Rate of interest being same).
EASY
8th CBSE
IMPORTANT
Mathematics>Chapter 4 - Direct and Inverse Variation>TEST YOUR SKILLS>Q 8
Rohit starts his journey by car to a certain place at 9 a.m. and reaches the place at 1 p.m., if he drives his car at a speed of 30 km/hr. By how much km/hr should he increase the speed so that he can reach the place by 12 p.m.?