1, 50 is more than 40 ()%, and 40 is less than 50 ()%.

8 is ()% of 12, and12 is ()% of 8.

2.=( )%=( )÷40 = () (fill in decimal places)

Twenty percent = ()%

3.6 Class (1) accounts for 3/5 of the class, while the number of girls accounts for ()% of the class, and the number of girls is less than that of boys ()%.

The sales in April and May increased by 15% compared with April. Sales in May were ()% less than in May, and sales in April were ()% less than in May.

Dad deposited 20,000 yuan in the bank last year 1 month for two years. If the annual interest rate is 2.5%, dad can get () yuan of interest after two years, and he can get () yuan back after one * * *.

6. Guangming Hotel has a monthly turnover of 400,000 yuan this year/kloc-0, and needs to pay 5% business tax and 7% urban maintenance and construction tax. Then, this hotel needs to pay business tax () yuan and urban maintenance and construction tax () yuan in January.

7. The original price of a rice cooker is 160 yuan, and the current price is 120 yuan, which is ()% lower than the original price.

8. A coat is cheaper than the current price after 20% discount, 70 yuan. The original price of this coat is () yuan.

9. Xiaogang painted 40% of a rectangular piece of paper blue, the remaining 3/5 parts red, and the red part belongs to this paper ().

10, 2/5 of a is 5/6 of b, b is 12, and a is ().

1 1 Class and Grade 5 (1) planted 50 trees, with a survival rate of 98%, and () trees did not survive.

12. To build a highway, 40% of the total length was built on the first day, 37.5% on the second day, and the remaining180m was not repaired. On this day, the expressway is * * * meters long.

13, arrange the following figures in descending order.

33.3% 33.3% 0.34 25%

()& lt()& lt()& lt()& lt( )

Second, true or false questions (65438+ 0 points for each question, ***7 points)

1, and the attendance rate cannot exceed 100%. ( )

2. If A is 20% bigger than B, B must be 20% smaller than A.. ( )

3. If the original price of a commodity is in 200 yuan, the price will be increased by 20% first, and then it will be sold at a 20% discount, or it will be sold in 200 yuan. ( )

4. When the side length of a square is increased by 5%, its area is also increased by 5%. ( )

5. If A is less than B by 20%, then B is more than A by 20%. ()

6, 1 kg sugar, Xiaohong ate 50%, leaving 0.5 kg. ( )

7. 1/2 of rounded corners minus 3/4 of a right angle, with a difference of 60. ( )

Three, multiple-choice questions (65438+ 0 points per question, ***8 points)

1, a commodity is sold at a 10% discount, indicating that the price is lower than the original price ().

a、90% B、9% C、D、 10%

2. The output of rapeseed this year is higher than last year, that is, ().

A, this year's rapeseed output is 102% of last year's B. Last year's rapeseed output was 20% less than this year's.

C. The rapeseed output this year is 120% D of last year, and the rapeseed output this year is 100.2% of last year.

3, 25% of the male employees are equal to 30% of the female employees, so the number of male employees and female employees is compared ()

A, the number of male workers is more than B, the number of female workers is more than C, and the same number D is incomparable.

4. The price of a tape recorder has dropped from 220 yuan to 120 yuan. What is the decrease? The correct formula is ().

a、 120÷220 B 、( 220- 120)÷ 120 C、220÷ 120 D 、( 220- 120)220

5. On April 5th, wang hong deposited 2,000 yuan in the bank with a monthly interest of 0. 12%. How much after-tax interest will he get by June 5? (After-tax interest is 5%) The correct formula is ().

a、2000×0. 12%×( 1-5%) B、2000×0. 12%×2

c、2000×0. 12%×2×( 1-5%)D、2000+2000×0. 12%×2×( 1-5%)

6, a 2 m long rope, cut off 50% of it for the first time, cut off 0.5 m for the second time, () cut off more.

A, the first time b, the second time c, there are as many d's as two times, so there is no comparison.

7. The original price of a pen 10 yuan will be increased by 20% first, and then sold at a 20% discount. The current price is ().

12

8, a number divided by 20%, this number (except 0) will become the original ().

A.20 times B.5 times C. 1.2 times D. 1/5 times.

IV. Calculation (* *19)

1, write numbers directly (0.5 points for each small question, ***6 points)

90%×90= 56÷7%= 200÷( 1-20%)=

20×35%= 0.6÷3%= 15÷( 1+50%)=

2000×3. 15%= 0.72÷6%= 78×( 1-85%)=

500×2%= 1.5÷50%= 80×( 1+25%)=

2, solve the equation (2 points for each small question, ***6 points)

75%X= 15 13X-66=64

3. Column calculation. (65438+ 0 point for each small question, ***3 points)

The number a is 20% more than the number b,

(1) What percentage of a number is b?

(2) What percentage of B is less than A?

(3) What percentage of A is the sum of A and B?

(4) Look at the line graph calculation (4 points) (40 people change to 48 people)

Fifth, solve the problem. (4 1)

1. A town planned to afforest 9 hectares last year, but actually afforested 12 hectares. How much more than originally planned? (4 points)

2. During the National Day, a store offers a 20% discount. The original price of a commodity is 6 18 yuan. How much cheaper after the discount? (4 points)

Version 3.6 (2) has 45 people on duty today, 2 on sick leave and personal leave 1. What is the attendance rate of this class today? (4 points)

4. Xiaokangjia has been insured with "family property insurance", with the insurance amount of180,000 yuan and the insurance period of three years. According to the annual insurance premium rate of 0.5%, how much insurance premium does * * * need to pay? (4 points)

5. Light light blue deposited 500 yuan RMB in the bank (lump sum deposit and withdrawal for two years), with an annual interest rate of 3.06%. Two years later, can she buy MP4s worth 550 yuan? (5 points)

6. Fangfang typed a manuscript. In the morning, she typed 20% of the total words in the manuscript, and in the afternoon, she typed 25% of the total words in the manuscript, and a * * * typed 1350 words. How many words are there in this manuscript? (5 points)

7. Building a section of highway, 30% of the total length was built on the first day and 40% on the second day, 200 meters more than on the first day. How long is this road? (5 points)

8. Uncle Wang kept 4,000 yuan in the bank for 3 years, with an annual interest rate of 5.00%. What's the interest payable? (4 points)

9. Shopping malls offer discounts, with 50% discount on clothes and 20% discount on stationery. How much does Xiao Ming actually spend on a dress with the original price of 320 yuan and a schoolbag with the original price of 120 yuan? (6 points)