FREE QUIZ · PRIMARY 6 MATHEMATICS

Average

Five MCQs on Average. Pick an answer, see the specific misconception. The diagnosis comes after the score.

Question 1 of 5Foundation
The average of 5 numbers is 24. Find their total.
Question 2 of 5Advanced
The average of seven consecutive whole numbers is 28. Find the SUM of the largest and smallest of the seven numbers.
Question 3 of 5Standard
The average mass of 5 boxes is 2.4 kg. The total mass of 3 of these boxes is 4.2 kg. Find the average mass of the remaining 2 boxes.
Question 4 of 5HOTS
In a class of 30 students, the average mark on a test is 65. The teacher discovers that one student's mark of 84 was wrongly recorded as 48. After correcting the error, the new average is:
Question 5 of 5Standard
The average mass of 4 boys is 38 kg. When a fifth boy joins them, the average mass of the 5 boys becomes 40 kg. Find the mass of the fifth boy.