2. The mean marks of seven students are 55. The
marks of 6 students are 52, 54, 55, 53, 56 and
54. Find the marks of the seventh student.
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Answered by
0
Answer:
Step-by-step explanation:
Answered by
0
Answer:
49
Step-by-step explanation:
56 × 6= 336
55×7=385
385-336
= 49
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