EASY
8th CBSE
IMPORTANT
Earn 100

Is the following in direct variation?

Distance travelled and time taken (at constant speed).

Important Questions on Direct and Inverse Proportions

EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 21 - Direct and Inverse Proportions>EXERCISE>Q 1

Is the following in direct variation?

Speed of the car and the time taken to cover a given distance.
EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 21 - Direct and Inverse Proportions>EXERCISE>Q 1

Is the following in direct variation?

Area of land and its cost.
EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 21 - Direct and Inverse Proportions>EXERCISE>Q 1

Is the following in direct variation?

Distance travelled by a taxi and the fare charged.
EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 21 - Direct and Inverse Proportions>EXERCISE>Q 1

Is the following in direct variation?

Number of taps to fill a container and time required to fill the container.
EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 21 - Direct and Inverse Proportions>EXERCISE>Q 1

Is the following in direct variation?

Number of students and the fees collected by the school.
EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 21 - Direct and Inverse Proportions>EXERCISE>Q 1

Is the following in direct variation?

Sales tax and selling price of the commodity.
MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 21 - Direct and Inverse Proportions>EXERCISE>Q 2

Identify whether x and y are directly proportional? Find the constant of variation in cases of direct proportion.

x 3 5 8 11 23
y 12 20 32 44 92

 

MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 21 - Direct and Inverse Proportions>EXERCISE>Q 2

Identify whether x and y are directly proportional? Find the constant of variation in cases of direct proportion.

x 3.5 4 8.5 11.5
y 10.5 12 25.5 46