Quiz about Math Bee 8th Grade

Question 1

What is the velocity of a car (in miles per hour) if it goes 40 miles in 35 minutes?

Accepted Answer

68.57

Answer

80.57

Answer

65

Answer

80

Question 2

A cube has a depth of 37 cm. What is the volume of the cube?

Accepted Answer

50,653

Answer

99,937

Answer

49,284

Answer

49,210

Question 3

The perimeter of a rectangle is 70 ft. The width of the rectangle is 40% of the length. Find the length of the rectangle.

Accepted Answer

25

Answer

14

Answer

28

Answer

42

Question 4

Charles has a rectangular flower garden that is 7 yd long and 12 yd wide. One bag of fertilizer can cover 6 square yard. How many bags will he need to buy to cover the entire garden?

Accepted Answer

14

Answer

6

Answer

10

Answer

9.333333333

Question 5

Calculate the volume (in cubic centimeters) of a prism that is 5 m long, 40 cm wide and 2500 mm high.

Accepted Answer

500,000

Answer

500

Answer

5,000

Answer

50,000

Question 6

A swimming pool is 8 m long, 6 m wide and 1.5 m deep. The water resistant paint needed for the pool costs $6 per square meter. How much will it cost to paint the interior surfaces of the pool?

Accepted Answer

540

Answer

72

Answer

432

Answer

129

Question 7

An elevator went up 7 floors, then it went down 10 floors, thet it went down 5 floors, after that, it went up 14 floors, then it went down 16 floors, and finally it stopped on the 20th floor. In which floor did the elevator started?

Accepted Answer

30

Answer

24

Answer

34

Answer

27

Question 8

In three more years, Miguel's grandfather will be six times as old as Miguel was last year. When Miguel's present age is added to his grandfather's present age, the total is 68. How old is Miguel now?

Accepted Answer

11

Answer

13

Answer

15

Answer

9

Question 9

A rectangular fish tank 60 centimeters by 15 centimeters by 34 centimeters is 1/3 full of water. Find the volumen in cm3 of water needed to fill the tank completely.

Accepted Answer

20,400

Answer

10,200

Answer

30,600

Answer

40,800

Question 10

Student tickets cost $6.50 each, and adult tickets cost $9.50 each. Which equation can be used to find the total cost of c of any number of student tickets t ?

Accepted Answer

c=6.5t

Answer

c=9.5t

Answer

t=6.5c

Answer

t=9.5c

Question 11

State the domain and range for the following relation. {(4,-1), (3,2), (0,-3), (1,4)}

Accepted Answer

domain: {0,1,3,4}; range: {-3,-1,2,4}

Answer

domain: {4,-1,3,4}; range: {-3,1,2,4}

Answer

domain: {-3,1,-3,4}; range: {3,-1,2,4}

Answer

domain: {0,2,3,4}; range: {-3,-1,1,4}

Question 12

Translate the sentence into an equation: 7 berries are 5 less than twice the number of berries Mickey had for lunch

Accepted Answer

7 = 2m - 5

Answer

7 = 2(m-5)

Answer

7 - 5 = 2m

Answer

2(7 - 5) = m

Question 13

The popcorn containers at a movie theater are in the shape of cones. Suppose a popcorn container has a radius of 6 inches and a slant height of 12 inches. What is the lateral area of the popcorn container rounded to the nearest inch?

Accepted Answer

226

Answer

226.19467105847

Answer

226.19467105849

Answer

226.2

Math Bee 8th Grade

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