Average Applications Quiz 1 (10 MCQs)

Quiz Instructions

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1. Mr. Wilson was digging for treasure in a cavern. From 9:00 am to 1:00 pm he descended 36 feet. What was his average hourly descent into the cavern?
2. The average age of a class of 22 students is 21years. The average increased by 1 when the teacher's age also included. What is the age of the teacher?
3. The average age of a group of 30 students is 14 years. If the teacher's age is added, the average age increases by 1 year. What is the teacher's age?
4. Parker has four different piggy banks: one each for pennies, nickels, dimes, and quarters. If there are twenty coins in each of his four piggy banks, what is the average amount of money contained in each piggy bank?
5. Four years ago, the average age of A and B was 20 years. If today average age of A, B and C is 25 years, what will be age of C after 7 years?
6. Calculate the average rate of change from 20 to 40 minutes.
7. A very fast camel can cross 70 km of sand in 2 days. What is the average speed?
8. Find the average of first 6 odd numbers
9. The average weight of 10 men is decreased by 2 kg when one of them whose weight is 60 kg is replaced by a new man. What is the weight of the new man?
10. Average of all the even numbers present on playing cards (only numbers are to be considered) is= .....