#### Practice Questions for **Ratio and proportion** Mathematics Class 6

The mean proportion between 16 and 4 is ____________.

64

16

8

4

Check Answer

###### Sumitha wants to prepare lemon juice. The ratio of the lemon syrup to water is 1:5. If sumitha has 2 cups of lemon syrup, then she needs __________ cups of water.

###### An office opens at 9:00am and closes at 5:30 pm with a lunch interval of 30 min. The ratio of lunch interval to the total working hours is _______.

###### 56:42 is expressed in its simplest form as _______.

###### Pencils cost Rs 24 per dozen and ball pens cost Rs 50 for a pack of 10 pens. The ratio of the price of a pencil to that of a ball pen is _________.

###### A chemical analysis of air shows that in every 100 parts of air, 20 parts are oxygen, 79 parts nitrogen and 1 part is the mixture of other gases. Then the ratio of oxygen to air is _______.

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