Note: pay attention to multiple solutions to one question. Many problems that do not specify multiple solutions can also be solved in one problem.

There are 40 people in 1.BRT. After arriving at East Highland Station, 14 people got off, and after arriving at Liuyingmen Station, 16 people got off, and no one got on the bus at these two stations. So how many people are there in the car at this time? (At least two methods are required)

2. A bus originally had 25 people. When it arrived, 10 people got off and 17 people got on. So how many people are there in the car now? (At least two methods are required)

3. There are 18 red chrysanthemums, 25 Huang Juhua chrysanthemums and purple chrysanthemums, and the total number of red chrysanthemums and yellow chrysanthemums in the park. How many chrysanthemums are there in the garden?

4.6 Students made small red flowers and small yellow flowers together, among which 28 small red flowers were made, and the number of small red flowers made was less than that of small yellow flowers 17, so how many were made?

Xiaohong has 30 old books and 20 new books, and Xiaoming has 29 new books and 24 old books. Who has more books, Xiaohong or Xiaoming? How many copies are left?

There are 20 bags of flour and 35 bags of rice in the canteen, but we have never eaten flour, only a part of rice. Now there are more rice than flour 10 bags. So how many bags of rice did a * * * eat?