Home › CBSE Class 8 › Mathematics › Direct And Inverse Proportions › For inverse proportion, which stays constant?
For inverse proportion, which stays constant?
Ax by y
Bx times y
Cx plus y
Dx less y
Answer & Solution
Correct answer: B. x times y
1. Inverse proportion is written as xy equals k.
2. That product does not change.
3. So x times y stays constant.
4. The answer is x times y.
_Source: NCERT Class 8 Mathematics, Ch 11 'Direct and Inverse Proportions'_
Related questions
If x and y vary inversely and x is 20 when y is 6, then k is:In a direct proportion, the graph of y against x passes through:Which pair is NOT in direct proportion?More pipes filling one tank is an example of:Doubling x in an inverse proportion means y is:Doubling x in a direct proportion means y is:If 4 workers finish a job in 6 days, 8 workers take:If 6 taps fill a tank in 80 minutes, 5 taps take: