Average MCQs with Answers

The average (arithmetic mean) of $5$, $10$, $15$ and $x$ is $20$. What is the value of $x$?

• A.$40$
• B.$45$
• C.$50$
• D.$55$

What is the average of the first 150 natural numbers?

• A.$75$
• B.$75.5$
• C.$76$
• D.$74.5$

The arithmetic mean between $4$ and $6$ is?

• A.$4$
• B.$5$
• C.$6$
• D.$10$

The average of 5 quantities is 6. The average of 3 of them is 4. What is the average of the remaining 2 numbers?

• A.$7$
• B.$8$
• C.$10$
• D.$9$

The average of $14.5$, $15.5$, and $16.5$ is:

• A.$14.5$
• B.$15.5$
• C.$16.5$
• D.$15.0$

Past Paper MCQ

Roshan bought 5 pants at Rs. 25 each, 10 shirts at Rs. 50 each, and 15 ties at Rs. 35 each. Find the average price of all the articles.

• A.Rs. 38.33
• B.Rs. 36.67
• C.Rs. 35.00
• D.Rs. 40.50

The average of 5 numbers is 23. If the average of 4 of these numbers is 25, what is the fifth number?

• A.$10$
• B.$15$
• C.$20$
• D.$25$

The mean height of 20 boys and 15 girls is 161 cm. If the mean height of 14 girls is 151 cm, what is the mean height of the 20 boys?

• A.$165 \text{ cm}$
• B.$169 \text{ cm}$
• C.$173 \text{ cm}$
• D.$159 \text{ cm}$

If a student got 19, 21, 22, 24, and 19 marks in different subjects in the monthly test, his average marks will be ?

• A.$19$
• B.$21$
• C.$22$
• D.$20$

What is the average of $30$, $40$, and $50$?

• A.$35$
• B.$45$
• C.$40$
• D.$50$