Mathematics
Medium
Question
The average of 13 numbers is 60. Average of the first 7 of them is 57 and that of the last 7 is 61. Find the 8th number?
A
46
✓ Official correct answer
B
32
C
68
D
51
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
46
No member explanations yet for this option.
B
32
No member explanations yet for this option.
C
68
No member explanations yet for this option.
D
51
No member explanations yet for this option.