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# Civil servants `` Quantitative Relations '' daily practice exercises (December 30, 2019-6566)

Multiple choice

A. 81

B.

C.

D. 9

2: 0.2, 6.8, -0.8, 5.8, -1.8, 4.8, (), 3.8

Multiple choice

A. -2.8

B. 3.8

C. -4.8

D. 5.8

3 :.

Multiple choice

A. 13/8

B. 11/7

C. 7/5

D. 1

4: 0, 1, 2, (), 16, 625

Multiple choice

A. 3

B. 5

C. 7

D. 9

5 :.

Multiple choice

A. 18/11

B. 21/11

C. 23/11

D. 36/23

6: The sum of the age of a family of four is 149 years old. The grandmother's age, mother's age, and the age of both are squared. The father's age 7 years ago is exactly six times the age of the child. Q: How many years ago was the grandfather's age a multiple of the child's age? ()

Multiple choice

A. 2

B. 4

C. 6

D. 8

7: 3/2, 1/2, 1/4, 3/20, 1/10, ()

Multiple choice

A. 1/14

B. 1/15

C. 1/16

D. 1/17

8:.

Multiple choice

A. 32

B. 4

C. 42

D. 8

9:.

Multiple choice

A. 20

B. 35

C. 15

D. 25

10: How many cubes can be placed in space at most, so that any two cubes have a part of the surface in contact ()

Multiple choice

A. 4

B. 5

C. 6

D. 7

11: Three construction teams of A, B, and C build roads in Wangzhuang and Lizhuang. Wangzhuang needs to build the road 900 meters, and Lizhuang needs to build the road 1250 meters. It is known that Teams A, B, and C can repair 24 meters, 30 meters, and 32 meters each day. Teams A and C build roads in Wangzhuang and Lizhuang, respectively. Team B is first in Wangzhuang. After several days of construction, they will transfer to Lizhuang. Start at the same time and end at the same time. Ask Team B to work in Wangzhuang for a few days ()

Multiple choice

A. 9

B. 10

C. 11

D. 12

12: If there are 5 people in the sales team, and each person adds the ages of the other four people, and the sum is 95,102,100,99,104 respectively, then the oldest of the five is () years old.

Multiple choice

A. 25

B. 26

C. 27

D. 28

13 :.

Multiple choice

A. 19683

B. 19785

C. 19827

D. 19869

14: Xiao Huang drew a circle on white paper, so that 7 coins of the same specification could fall into the circle without overlapping. What is the minimum ratio of the circle radius to the coin radius?

Multiple choice

A.

B.

C. 3

D. 2

15 :.

Multiple choice

A. 432 yuan

B. 422 yuan

C. 429 yuan

D. 430 yuan

16 :.

Multiple choice

A..

B..

C..

D..

17: Someone wants to make a decision by rolling the dice. She rolls 3 identical and uniform dice at the same time. If the sum of the points upwards is 4, he makes the decision. Then, he can make the decision. The probability is:

Multiple choice

A.

B.

C.

D.

18 :.

Multiple choice

A.

B.

C.

D.

19: 7, 14, 33, 70, 131, ()

Multiple choice

A. 264

B. 222

C. 230

D. 623

20: A wooden cube with a side length of 1 is trimmed to make it a largest wooden sphere, and the volume of the trimmed part is ().

Multiple choice

A. π / 6

B. 1-π / 6

C. π2 / 16

D. 1-π2 / 16

twenty one:.

Multiple choice

A. 6

B. 12

C. 16

D. 24

22: Three construction teams of A, B, and C build roads in Wangzhuang and Lizhuang. Wangzhuang needs to build the road 900 meters, and Lizhuang needs to build the road 1250 meters. It is known that Teams A, B, and C can repair 24 meters, 30 meters, and 32 meters each day. Teams A and C build roads in Wangzhuang and Lizhuang, respectively. Team B is first in Wangzhuang. After several days of construction, they will transfer to Lizhuang. Start at the same time and end at the same time. Ask Team B to work in Wangzhuang for a few days ()

Multiple choice

A. 9

B. 10

C. 11

D. 12

23: A and B are chasing each other on the road. The speed of A is 27 km / h. The rest is 1 minute every 5 minutes of riding. The speed of B is 300 m / min. Now it is known that B goes 1650 meters before A starts. Chasing B, the time required to chase B is ()

Multiple choice

A. 10 minutes

B. 15 minutes

C. 16 minutes

D. 17 minutes

twenty four:.

Multiple choice

A. 25

B. 30

C. 40

D. 50

25: A project, if Xiao Wang works alone for 6 days, Xiao Liu can work alone for 9 days to complete the total task amount; if Xiao Wang works alone for 9 days, Xiao Liu can work for 6 days alone to complete the total task amount . How many days does it take Xiao Wang and Liu to complete this work ()

Multiple choice

A. 15

B. 20

C. 24

D. 28

26 :.

Multiple choice

A. 1

B. 13/15

C. 7/9

D. 17/15

27: 2, 4, 3, 7, 16, 107, ()

Multiple choice

A. 1594

B. 1684

C. 1707

D. 1856

28: A company has three departments. The number of the first department is one-third of the other two. The number of the second department is one-fifth of the other two. The third department has 35. people. How much is the difference between the first department and the second department ()

Multiple choice

A. 4

B. 5

C. 6

D. 8

29 :.

Multiple choice

A. Option 1

B. Option 2

C. Option 3

D. Option 4

30 :.

Multiple choice

A. 6

B. 8

C. 10

D. 12

31 :.

Multiple choice

A. 18/11

B. 21/11

C. 23/11

D. 36/23

32 :.

Multiple choice

A. 1

B. 13/15

C. 7/9

D. 17/15

33: -64, 4, 0, 1, 1/4, ()

Multiple choice

A. 8

B. 64

C. 1/16

D. 1/36

34 :.

Multiple choice

A.

B.

C.

D.

35 :.

Multiple choice

A. 9

B. 10

C. 11

D. 12

36: 0.1, 3.1, 10.1, 25.1, ()

Multiple choice

A. 46.1

B. 50.1

C. 54.1

D. 56.1

37: -1, 2, 1, 8, 19, ()

Multiple choice

A. 62

B. 65

C. 73

D. 86

38: A and B are chasing each other on the road. The speed of A is 27 km / h. The rest is 1 minute every 5 minutes of riding. The speed of B is 300 m / min. Now it is known that B goes 1650 meters before A starts. Chasing B, the time required to chase B is ()

Multiple choice

A. 10 minutes

B. 15 minutes

C. 16 minutes

D. 17 minutes

39: There are two pools A and B, of which water is always injected into the pool A. If 8 pumps are arranged to evacuate the A and B pools, it will take 16 hours and 4 hours respectively. If you add 5 to the A pool, you can evacuate 10 hours in advance. If a total of 20 pumps are arranged, in order to ensure that two pools can be evacuated at the same time, how many more pumps should be used in pool A than in pool B? ()

Multiple choice

A. 4

B. 6

C. 8

D. 10

40: 2, 3, 10, 15, 26, ()

Multiple choice

A. 30

B. 35

C. 38

D. 57

Parsing.

2: Answer A

Parsing

3: Answer B

Parsing

4: Answer D

Parsing

5: Answer A

Parsing

6: Answer D

Parse D.

7: Answer A

Parsing

8: Answer D

Parse D.

9: Answer D

Parse D. 100 (1/10) = 10, 100 (1/8 = 25/2), 100 (1/6 = 50/3), 100 (1/2) = 50.

10: Answer C

Parse C. In space, a maximum of six cubes can be placed so that any two cubes have a part of their surface in contact. The placement method is shown in the figure below. It is placed in two layers. The projection of the upper three on the plane is indicated by a solid line, and the projection of the lower three on the plane is indicated by a dashed line.

11: Answer B

Parse B. Engineering problems. The three engineering teams completed two tasks, sharing the time as days. Let team B work in Wangzhuang x days, 24 × 25 + 30x = 900, and solve x = 10 days.

12: Answer F

Parse F.

13: Answer A

Parsing

14: Answer C

Parse C. [Analysis] As shown in the figure, put seven coins in a circle and set the radius of the coin to r, then the radius of the large circle is 3r, so the minimum ratio of the circle radius to the coin radius is 3. Select C.

15: Answer C

Parsing

16: Answer A

Parsing.

17: Answer C

Parse C. [Parse]

18: Answer C

Parse C. Observing the items in the sequence, you can find that the sum of the numerator and denominator of the previous term is equal to the numerator in the next fraction, so the numerator of the unknown term is 21 + 34 = 55, and only the C term satisfies the condition. In addition, the denominator of the previous term plus the numerator of the term is equal to the denominator of the term, so the denominator of the unknown term is 34 + 55 = 89.

19: Answer B

Parsing.

20: Answer B

Parse B. The diameter of the largest sphere in the cube should be the length of the side of the cube, the volume of the cube is 1, and the diameter of the largest sphere is 1, then the maximum volume of the sphere is 1 / 6π, which is 1-π / 6.

21: Answer C

Parse C. The sum of the numbers around is equal to 4 times the middle number, so the unknown term is 4 × 14-20-7-13 = 16.

22: Answer B

Parse B. Engineering problems. The three engineering teams completed two tasks, sharing the time as days. Let team B work in Wangzhuang x days, 24 × 25 + 30x = 900, and solve x = 10 days.

23: Answer D

Parsing

24: Answer D

Parse D. Divide each pair into equal difference series. Therefore, the answer to this question is option D.

25: Answer B

Parse B. Assuming that the efficiency of A is x and the efficiency of B is y, assign a value of 20 to the total task amount. According to the problem, two equations can be obtained, 6x + 9y = 8, 9x + 6y = 7, and the equation can be obtained. = 1, that is, the total work of A and B is 1, so it takes 20 days in total. Answer B.

26: Answer A

Parsing

27: Answer C

Parsing

28: Answer B

Parsing

29: Answer D

Parse D. This is a series of fractions and belongs to the topic of the overall observation method: feature (1) the product of the previous numerator and denominator is equal to the next denominator by fraction, so the denominator of the vacant term is 23 × 210 = 4830; feature (2) the previous The difference between the denominator molecules is equal to the numerator of the latter fraction, so the numerator of the vacant term is: 210-23 = 187, so the answer to this question is option D.

30: Answer B

Parsing

31: Answer A

Parsing

32: Answer A

Parsing

33: Answer D

Parsing

34: Answer D

Parse D.

35: Answer D

Parsing

36: Answer D

Parsing

37: Answer A

Parse A.

38: Answer D

Parsing

39: Answer C

Parse C. Assuming that the amount of water pumped by each pump per hour is 1, the capacity of B pool is 8 × 4 × 1 = 32. Suppose that the water injection volume per hour of the A pool is m, and the capacity of the A pool is n. According to "A pool drainage capacity = A pool capacity + A pool water intake", the solution can be obtained by setting the A pool to x pumps and the B pool (20- x) Pumps, which can be obtained according to "two pools evacuate at the same time", and the solution is x = 14. Then there are 14 A pools and 6 A pools. A pool is 14-6 more than B pools (8).

40: Answer B

Parsing

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Multiple choice

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