In the school entrance examination, the ratio of boys to girls is 4: 3. Results 9 1 students were enrolled, and the ratio of male to female was 8: 5. Among the students who were not admitted, the ratio of boys to girls was 3: 4. So how many people apply for * *?

The bottle contains 2000 grams of 75% alcohol solution. Now pour 50 grams of alcohol solution A and 350 grams of alcohol solution B, and the concentration in the bottle becomes 65%. If the ratio of alcohol solution A to alcohol solution B is

3: 1, then what is the concentration of a?

One clock loses three minutes an hour. At 7: 00 a.m., aim at the standard time. What is the standard time when the pointer of the slow clock points to 12?

1 Zhang Daye wai sheepfold. First, he surrounded a square sheepfold with a side length of 78.5 meters. Later, he found that it was not as big as a circle. Therefore, he used these fences to form the largest round sheepfold. The area of this round sheepfold is 200-200 square meters.

Solution steps: 78.5 * 4 = 314m314/6.28 = 50m50 * 50 * 3.14 = 7850m2.

Reference answer 7850

There are 30 students in two classes of Grade 2 5 1 class, which is less than that in Class 2 1/6. There are 100 students in Class Two. The solving steps are 30/( 1- 1/6)=36 students.

Reference answer 36

Chenchen deposited 2000 yuan lucky money in the bank for one year, with an annual interest rate of 4. 14%. When the withdrawal is due, Chen Chen can actually get the principal and interest of * * *-yuan (interest tax is 5%).

Steps to solve the problem: 2000 *1* 4.14% * 95%+2000 = 2078.66 yuan.

Reference answer 2078.66

China athletes won 32 gold medals in the 28th Olympic Games, more than the 26th Olympic Games 100%. China athletes won a gold medal at the 26th Olympic Games.

Reference answer 16

There are 25 students in a class (1) in a school. Last Monday, five of them had a cold and a high fever, and asked for sick leave. One of them asked for personal leave, and the rest of the students came to school. The absenteeism rate of Class One (1) on this day is-%.

Reference answer 24

6. The original price of an air conditioner is 1880 yuan, and now it is 15% off, and the current price is-yuan.

Reference answer 1598

7 1 The car traveled 2/3 of the whole journey from A to B in 6 hours. At this speed, the whole journey will take * * *-hours.

Reference answer 9

There is a 20% discount on a brand of trousers in a department store. Miss Wang bought a pair during the discount period, which cost 200 yuan money.

The original price of this pair of trousers is RMB.

Reference answer 250

The water content of a batch of tea is 80%. The weight of this batch of tea leaves after drying is 36 kg, and the weight before drying is-kg.

Reference answer 180