Mathematics · Ratios, Proportions & Percentages · page 2 of 6
Direct and Inverse MCQs with Answers
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Practice these MCQs in the appDirect and Inverse Variations MCQs (11–20)
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Past paper MCQs in this chapter · See all past papers
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- 11.
If 20 meters of cloth is used to make 4 dresses, the required cloth to make 15 dresses is:
- 12.
Past Paper MCQ
12 men can complete a work in 24 days. In how many days will 8 men complete the same work?
- 13.
A truck covers 120 km distance in 6 litres of fuel. How much distance will it cover in 15 litres?
- 14.
If $r \propto \frac{1}{p^3}$ and $p = 9$ when $r = 2$, find $p$ when $r = \frac{1}{4}$.
- 15.
Direct variation between $a$ and $b$ is expressed as _?
- 16.
Given that $y$ varies directly with $x$, and $y = 99$ when $x = 11$, find the value of $y$ when $x = 3$.
- 17.
There is inverse variation between $x$ and $y$, and when $x = 3$, $y = 7$. Find $y$ when $x = 5$.
- 18.
A team of 6 men invests Rs. 33,000. How much will a team of 18 men invest?
- 19.
The relation between time and water pulled by a water pump is direct. If a pump raises 600 liters of water in 45 minutes, how much water will it raise in one hour?
- 20.
There is a direct variation between $x^2$ and $y$. When $x = 7$, $y = 49$. Find $x$ when $y = 100$.