Mathematics
Medium
Question
A pupil’s 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
20
C
40
✓ Official correct answer
D
73
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
10
No member explanations yet for this option.
B
20
No member explanations yet for this option.
C
40
No member explanations yet for this option.
D
73
No member explanations yet for this option.