Ratio and Proportion MCQs with Answers

If $1$, $9$, $x$ and $45$ are in proportion, then the value of $x$ is _?

• A.$5$
• B.$15$
• C.$9$
• D.$3$

The ratio between two numbers is $8 : 3$ and their difference is $20$. Find the numbers.

• A.$24$ and $9$
• B.$40$ and $15$
• C.$32$ and $12$
• D.$48$ and $18$

A person has Rs 2, Rs 5, and Rs 10 coins amounting to Rs 472. If the ratio of the number of these coins is $2:3:4$, find the number of Rs 2 coins.

• A.12
• B.24
• C.32
• D.16

The scale of a map is given as $1:250$. Two cities are 6 km apart on the map. The actual distance between them is _?

• A.$24$ km
• B.$150$ km
• C.$1500$ km
• D.$250$ km

Find the fourth proportional of $a^3 - b^3$, $a + b$, and $a^2 + ab + b^2$.

• A.$\frac{a+b}{a-b}$
• B.$\frac{a-b}{a+b}$
• C.$\frac{1}{a-b}$
• D.$a - b$

Which number can replace both the question marks in $\frac{2}{?} = \frac{?}{50}$?

• A.$5$
• B.$10$
• C.$20$
• D.$25$

Past Paper MCQ

If $\frac{a}{3} = \frac{b}{2}$, then the value of $\frac{2a+3b}{3a-2b}$ is:

• A.$\frac{13}{5}$
• B.$\frac{5}{12}$
• C.$\frac{12}{5}$
• D.$\frac{5}{13}$

If $3x : 2y = 6 : 5$, what is the ratio of $x$ to $y$?

• A.$3 : 5$
• B.$4 : 5$
• C.$5 : 4$
• D.$2 : 3$

If 9 eggs cost Rs. 60, what is the price of 3 eggs?

• A.Rs. 15
• B.Rs. 20
• C.Rs. 25
• D.Rs. 30

Find the simplified ratio of $360 : 270$.

• A.$6:5$
• B.$3:4$
• C.$4:3$
• D.$5:6$