Average MCQs with Answers

A batsman makes a score of $64$ runs in the $16$th innings and thus increases his average by $3$. Find his average after the $16$th inning.

• A.$16$
• B.$19$
• C.$22$
• D.$25$

The average age of 24 boys and a teacher is 15 years. When the teacher's age is excluded, the average age decreases by 1 year. What is the age of the teacher?

• A.36 years
• B.45 years
• C.42 years
• D.39 years

If the average of 7 quantities is 28, then find the sum of the quantities.

• A.$196$
• B.$186$
• C.$206$
• D.$176$

The average age of A and B is 30 years, that of B and C is 32 years, and the average age of C and A is 34 years. The age of C is:

• A.30 years
• B.32 years
• C.36 years
• D.38 years

If the average of $x + 3$, $x + 6$, and $x + 9$ is $0$, then $x =$ ?

• A.$-6$
• B.$-3$
• C.$0$
• D.$6$

The arithmetic mean (A.M.) of the first 6 odd numbers is?

• A.$6$
• B.$7$
• C.$5$
• D.None of these

If the mean of $9$, $8$, $10$, $x$, $12$ is $15$, find the value of $x$.

• A.$30$
• B.$36$
• C.$42$
• D.$45$