A pupils marks were wrongly entered as 83 instead of 63. Due to the average marks for the class got increased by half. The number of pupils in the class is___________?

A. 10

B. 73

C. 20

D. 40

Found an error? Read our corrections policy and report it in the comments below.

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.