Current location - Training Enrollment Network - Mathematics courses - 10 Interesting math problem
10 Interesting math problem
1. There are 100 monks to eat 100 steamed buns, three big monks to eat 1, and three little monks to eat 1. How many big monks are there and how many small monks are there?

The fruit shop bought a batch of fruits, among which the weight of pears is three times that of grapes, and it sells 25 kilograms of grapes and 60 kilograms of pears every day. When all the grapes were sold out, there were 75 kilograms of pears. How many kilograms did grapes weigh?

The number of students in Class A and Class B is equal, and some students in each class take part in the activities. The number of participant A is one third of that of participant B, and the number of participant B is one quarter of that of participant A. What is the score of participant B?

4. 1. The average score of Xiaoming's Chinese, Mathematics and Foreign Language Geography is not less than 90 (each subject is an integer, and the full score is 100). It is known that his geography score is 5/6 of his math score, his Chinese score is1110, and his foreign language score is higher than his Chinese score.

5.

From school to home, my brother needs to walk 16 minutes and my sister needs to walk for 24 minutes. If my sister leaves school in 2 minutes, my brother leaves home. When brother and sister meet, brother walks more than sister 120 meters.

The distance from school to home.

?

6. How many seedlings do Party A and Party B have? After Party A gives Party B 20%, Party B gives Party A 25%. At this time, they each have 65,438+080 trees. How many seedlings did Party A and Party B originally have?

7. Processing a batch of parts can be completed within 24 days. Now Party A does it for 16 days, and then Party B does it for 12 days, leaving 2/5 parts unfinished. It is known that Party B handles 3 more than Party A every day. How many parts are there in this batch?

8. A, B and C warehouses each have a batch of grain. The grain of warehouse A is 2/5 of the total grain of the three warehouses, while warehouse B is more than warehouse C 1/4, and the difference between warehouse A and warehouse B is 10 ton. How many tons are stored in warehouses A, B and C respectively?

9. For a conductor, use two fifths of the total length for the first time, and use 14m for the second time. The ratio of remaining length to used length is 3: 1. How long is this wire?

10. Physical examination of four-year-old students. Five students weigh less than 50 kilograms, but they can only weigh more than 50 kilograms. The teacher arranged for two students to weigh together once, and one weighed ten times. Weight records are as follows: 55, 56, 56.5, 57, 57.5, 58, 58.5.