Posted by **Annabella Richards** on Monday, June 20, 2011 at 2:09am.

The teacher collected the test papers of 20 students and found that their average mark was 15. Before she wrote the marks in her mark book, she lost 1 paper. Find the mark for the missing paper, she worked out the average mark for the 19 students was 14. What was the mark on the missing paper?

## Answer This Question

## Related Questions

- Math - In aclass of 100 students the average mark in math paper is 60.the ...
- MATHS - THE AVERAGE MARK OF 4 GIRLS IN A SCIENCE TEST IS 6,THE MARKS OF 3 OF ZM ...
- physics - A tank filled with water has marks every 10 cm on one wall. The ...
- maths - these marks were obtained by class of 28 students in a science test. the...
- math - A test consists of 120 questions. Each correct answer, each wrong answer ...
- programming - draw a flow chart and write algorithms description that accept ...
- math - Sammy got an average of 85% in four tests threethree of the scores were ...
- math - The difference between Sally’s PE mark and science mark is 12, and the ...
- statistics - The average marks of 30 students in mathematics is 69. If the class...
- programming - Example Develop a pseudocode algorithm for a program that accepts ...

More Related Questions