Ratio Quiz-MIF

There are 8 apples in a box. Of the apples, 3 are red and the rest are green. What is the ratio of the number of red apples to the number of green apples?

Find the unknown value:

4 : 5 = 16 : ?

The total length of 3 blocks is 50 cm. The length of block A is 15 cm and the length of block C is 20 cm. What is the ratio of the total length of the 3 blocks to the length of block B?

Nyan gives $24 to Mary and Linda in the ratio 1 : 3. How much money does Linda get?

Find the missing numbers in this set of ratios:

5 : ? : 9 = ? : 12 : 27

(a)  

The amount of time Connor spends on his computer is twice the amount of time he spends reading. What is the ratio of the time Connor spends reading to the time he spends on the computer to the total time he spends on both activities?

The ratio of the number of apples to the number of oranges to the number of pears is 3 : 5 : 2. There are 15 oranges. How many fruits are there in all?

Ken's mass if 5/8 of John's mass. John's mass is 64 kg. Find the ratio of Ken's mass to John's mass. Draw a picture to help you (hint: Ken has 5 units and John has 8 units). Be sure to reduce your answer.

Lucy has three times as many stamps as Ava. Ava has 22 stamps. How many more stamps does Lucy have than Ava?

In a fraction, the (a)   represents the number of parts.