Question

The average Mark's of 13 papers is 40 .the average the first 7 paper is 42 and
that of last 7 papers is 35 .find the Mark's of seventh paper.

Answer 1

Answer:

mark me brainliest

Step-by-step explanation:

31 is the mark

Answer 2

Answer:

Your question is wrong I don't understand it

Step-by-step explanation:

SORRY