3. In which year, maximum number of persons were killed in industrial accidents other than those killed in coal mines?
4. In which year, minimum number of persons were killed in coal mines other than those killed in industrial accidents?
5. In a year, on an average, how many persons were killed in industrial accidents and coal mines together?
6. What was the difference in the number of B type mobiles produced in 2007 and 2008?
7. If 85% of the D type mobiles produced in each year were sold by the company, how many D type mobiles remained unsold?
8. For which models was the percentage variation in production from 2007 to 2008 the maximum?
9. If the percentage production of A type mobiles in 2008 was same as that in 2007, then the number of A type mobiles produced in 2008 would have been
10. Total number of mobiles of models A, B and E manufactured in 2007 was