Directions: Study the following information carefully and answer based on it.
There are five companies. Each company manufactured a different number of tables and chairs. Cumulative percentage of tables manufactured by a company out of total tables manufactured by all companies together and cumulative percentage of chairs manufactured by a company out of total chair manufactured by all companies together is given below.
| Company | Cumulative percentage of tables manufactured by a company | Cumulative percentage of chairs manufactured by a company |
| A | 18% | 12% |
| B | 40% | 30% |
| C | 55% | 50% |
| D | 75% | 72% |
| E | 100% | 100% |
Note- Total item (table + chair) manufactured by company C and D is 1550 and 1880 respectively.
Find which one is true ?
1. Difference between number of chairs and tables manufactured by company E is 130
2. Average number of chairs manufactured by company A and D is 780
3. Average number of tables manufactured by all companies together is 1000.