myTestBook.com Math Reading Science Practice Test for Grade 1, 2, 3, 4 & 5    
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Grade: 7,    Subject: Math,    Topic: Rate, Ratio, Proportion
Question 1:
Annie earns $320 for 8 hours of work. At that rate, how long would she have to work to earn $1,120?

4035

1828
 
Question 2:
If y is 40% of z, then y is to z as _________.

1 is to 51 is to 4

3 is to 52 is to 5
 
Question 3:
Find the value of n.

=

4845

3264
 
Question 4:
Rachel needs 5 cups of sugar to make 60 muffins. How many muffins can she make with 3 cups of sugar?

1236

4830
 
Question 5:
Sarah designs a curtain that is 3.5 feet wide and 10.5 feet long. She has to design one more curtain using the same proportion. If the other curtain she designs is 12.75 feet long, find the width of the curtain.

3.5 feet4.5 feet

9.75 feet4.25 feet
 
Question 6:
Which fraction is equivalent to the ratio 126:54?


 
Question 7:
Mrs. Davis needs one cup of waffle-mix and three-fourth cup of water to make 5 waffles. How much of waffle-mix and water will she need to make 20 waffles?

4 cups of mix and 3 cups of water3 cups of mix and 3 cups of water

4 cups of mix and 4 cups of water4 cups of mix and 3.5 cups of water
 
Question 8:
24 is to 80 as 36 is to _______.

9072

120108
 
Question 9:
Mr. Brown drove 55 miles per hour for 4 hours and then 68 miles per hours for 2 hours. How many miles did he drive altogether?

220 miles156 miles

356 miles344 miles
 
Question 10:
Methane molecule is a compound that contains carbon and hydrogen atoms in 1:4 ratio. If in a sample of methane there are 12500 carbon atoms, how many hydrogen atoms are there in that sample?

5,000500

3,12550,000
 
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