Mathematics
Medium
Question
The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .
A
149
B
151
✓ Official correct answer
C
152
D
153
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
149
No member explanations yet for this option.
B
151
No member explanations yet for this option.
C
152
No member explanations yet for this option.
D
153
No member explanations yet for this option.