Direct and Inverse MCQs with Answers

If two quantities $A$ and $B$ are so related that when one increases, the other decreases, the variation is called:

• A.Direct
• B.Joint
• C.Inverse
• D.Compound

In a library, 11 persons arranged 319 books in 4 hours. How many persons are required to arrange 725 books in 5 hours?

• A.16 persons
• B.18 persons
• C.20 persons
• D.22 persons

Given that the pressure $P$ on a quantity of gas in a container varies inversely to its volume $V$, i.e. $P \propto \frac{1}{V}$. When the pressure on the gas is $10\ \text{N/m}^2$, its volume is $25\ \text{m}^3$. The value of pressure when the volume is $20\ \text{m}^3$ will be:

• A.$8\ \text{N/m}^2$
• B.$12.5\ \text{N/m}^2$
• C.$15\ \text{N/m}^2$
• D.$10\ \text{N/m}^2$

If $R = xS^4$, when $S = 5$ and $R = 6$, then find the value of $R$ when $S = 8$.

• A.$39.3$
• B.$24.6$
• C.$15.7$
• D.$48.0$

Past Paper MCQ

If a 162 km long road can be constructed in 9 months, how many months are required to construct a 306 km long road?

• A.15 months
• B.17 months
• C.19 months
• D.21 months

The cost of 12 books is Rs. 264. The cost of 9 books will be:

• A.Rs. 186
• B.Rs. 176
• C.Rs. 220
• D.Rs. 198

During the school assembly, 196 students are standing in 4 rows. How many students are there in 11 rows?

• A.519
• B.529
• C.549
• D.539

If the cost of 12 eggs is Rs. 120, what will be the cost of 3 eggs?

• A.Rs. 25
• B.Rs. 30
• C.Rs. 35
• D.Rs. 40

Past Paper MCQ

If $y$ is inversely proportional to $x$, and $y = 10$ when $x = 2$, find $y$ when $x = 5$.

• A.$4$
• B.$5$
• C.$20$
• D.$25$

Past Paper MCQ

A car that gets 15 miles per gallon of gasoline can travel 250 miles on a full tank. If the same car got 20 miles per gallon, how many miles could it travel on a full tank?

• A.$300$ miles
• B.$333.3$ miles
• C.$350$ miles
• D.$375$ miles