Math, asked by DhruvVasani, 9 months ago

The mean of 17 data is 20. If the mean of first 9 data is 23 and that of last 9 data is 18. Then nineth data is ________
(a) 29
(b) 30
(c) 31
(d) 32

Answers

Answered by ajinkaj20

1

Answer:

mark as brainlist okkkk

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