Quiz about Mathematics 7th thru 8th

Question 1

How many possible ways can we store three lemonades, four mineral waters, and two juices in the refrigerator next to each other?

Accepted Answer

2520

Answer

5040

Answer

1260

Answer

720

Question 2

Jon's front porch is 8 feet wide and 12 feet long. Jon wants to stain the wood on the porch next weekend. The stain costs $1.00 per square foot. How much will it cost to buy enough stain for the whole porch?

Accepted Answer

$96

Answer

$80

Answer

$100

Answer

$120

Question 3

What is the perimeter of a quadrilateral whose first side is 3 cm longer than the second side, the third side is 5 cm shorter than the fourth side, and the second side is 2 cm shorter than the fourth side?

Accepted Answer

28 cm

Answer

20 cm

Answer

24 cm

Answer

32 cm

Question 4

The average of a set of 7 numbers is 20. The average of a second set of 13 numbers is 40. What is the mean of all 20?

Accepted Answer

32

Answer

30

Answer

34

Answer

36

Question 5

The A gym offers two packages for yearly memberships. The first plan costs $50 to be a member. Then, when you visit the gym, it is $5 to get in. The second plan costs $200, but it only costs $2 to get in each time you visit. How many visits would it take to make the second plan the better choice?

Accepted Answer

100 visits

Answer

50 visits

Answer

75 visits

Answer

150 visits

Question 6

Six hundred pencils we want to be divided into three groups. The biggest groups have ten pens more than the smallest. How many ways can this be done?

Accepted Answer

2 ways

Answer

1 way

Answer

3 ways

Answer

4 ways

Question 7

Loggers wanted to seed more than 700 and less than 800 trees. If they seed in rows of 37, leave them eight trees. If they seed in rows of 43, left the 11 trees. How many trees must seed?

Accepted Answer

754

Answer

721

Answer

765

Answer

789

Question 8

3 children pulled 9 different toys from a box. How many ways can toys be divided, so each child has at least one toy?

Accepted Answer

84

Answer

90

Answer

120

Answer

150

Question 9

Find all natural numbers that are twice as much as one-fifth plus nine. How many are there?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 10

The Holiday Hotel has the same number of rooms on each floor. Rooms are numbered with natural numerals sequentially from the first floor, no number is omitted, and each room has a different number. Three tourists arrived at the hotel. The first one was in room number 50 on the fourth floor. How many rooms are there on each floor?

Accepted Answer

10

Answer

12

Answer

15

Answer

20

Question 11

There are 20 sweets in the bag. Some are chocolate, other coconuts, and the remaining marzipan. Chocolate is four times more than coconut. Marzipan's less than chocolate. How much is in a bag of coconut sweets?

Accepted Answer

2

Answer

3

Answer

4

Answer

5

Question 12

You have to create as many identical candy boxes as possible from 280 orris, 252 nougat, and 420 marzipan candies. At the same time, you must not have any candy left or missing. What will be the composition of one box of chocolates, and how many candies will you prepare from the given amount?

Accepted Answer

B) 14 orris, 12 nougat, 21 marzipan; 20 boxes

Answer

A) 28 orris, 25 nougat, 42 marzipan; 10 boxes

Answer

C) 7 orris, 6 nougat, 10 marzipan; 40 boxes

Answer

D) 35 orris, 30 nougat, 50 marzipan; 8 boxes

Question 13

Ronald and Tim both did their laundry today. Ronald does laundry every 6 days, and Tim does laundry every 9 days. How many days will it be until Ronald and Tim both do laundry on the same day?

Accepted Answer

18 days

Answer

12 days

Answer

15 days

Answer

9 days

Question 14

In a Tuition centre there are 70 students, 31 are taking tuitions for English Literature and 18 are taking Chemistry. If ten students are, how many students are in neither class?

Accepted Answer

21

Answer

31

Answer

41

Answer

51

Question 15

Simplify this

Accepted Answer

6

Answer

30

Answer

1/5

Answer

1/6

Question 16

I am planting 50 apple trees and 30 peach trees. I want the same number and type of trees per row. What is the greatest number of trees I can plant per row?

Accepted Answer

10

Answer

3

Answer

5

Answer

15

Question 17

Boxes that are 12 inches tall are being stacked next to boxes that are 8 inches tall. What is the shortest height at which the two stacks will be the same height?

Accepted Answer

24

Answer

8

Answer

12

Answer

16

Question 18

The little bunny ate 20 carrots and he could eat another 5 carrots a day. The big bunny had already eaten 60 carrots and he could eat 25 more carrots a day. After how many days have the two bunnies eaten the same amount of carrots?

Accepted Answer

2 days

Answer

5 days

Answer

6 days

Answer

4 days

Question 19

At a local concert hall, the owner charges $7 per ticket to see a band. The owner must pay his band $1200. Every customer receives a brochure that costs the owner $2 for each person.

How many tickets must the owner sell to break even on a concert?

Accepted Answer

240 tickets

Answer

133 tickets

Answer

120 tickets

Answer

250 tickets

Question 20

The senior class at Rivermont High School rented and filled 11 vans and 3 buses with 283 students. The senior class at Washington High School rented and filled 12 vans and 14 buses with 770 students. How many students were on each van and each bus?

Accepted Answer

Van 14
Bus 43

Answer

Van 43
Bus 14

Answer

Van 11
Bus 21

Answer

Van 17
Bus 45

Question 21

Travel Distance: A car travels at a speed of 50 miles per hour for 2.5 hours. After that, it travels at 70 miles per hour for another 1.5 hours. How far does the car travel in total?

Accepted Answer

230 miles

Answer

175 miles

Answer

200 miles

Answer

250 miles

Question 22

The price of a share of stock started the day at $37. During the day it went down $3, up $1, down $7, and up $4. What was the price of a share at the end of the day?

Accepted Answer

$32

Answer

$27

Answer

$31

Answer

$35

Question 23

An item costs $36. The price is increased by $15, then reduced by $15. Is the percent of increase equal to the percent of decrease?

Accepted Answer

No, the percent of increase is not equal to the percent of decrease.

Answer

Yes, the percent of increase is equal to the percent of decrease.

Question 24

Sam and Carlos are bowling with plastic pins in Sam's Living room. Remarkably, Sam knocks down 8 pins on every bowl, and Carlos knocks down 9 pins on every bowl. At the end of the day, Sam and Carlos have knocked down the same total number of pins. What is the least number of total pins that Sam and Carlos could have each knocked down?

Accepted Answer

72 pins

Answer

84 pins

Answer

63 pins

Answer

94 pins

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