**Ratio and proportion** - Class 6 Mathematics CBSE ICSE

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**Ratio and proportion**by practicing the below questions from class 6 Mathematics.###### If a,b,c,d are in proportion then _______.

###### If a:b=b:c, b is called the _________ term.

###### 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 _______.

###### The first, second and third terms of a proportion are 12,8,18 then the fourth term is __________.

###### In a class of 45 students, the number of boys is 30. The ratio of girls to boys in its simplest form is _________:___________.

###### The cost of a toffee is 50 paise and cost of a chocolate is Rs 10, then the ratio of the cost of a toffee to the cost of a chocolate is _________.

###### If a,b,c are in the proportion then ________.

###### Raju ran a distance of 1.5 km whilehis younger sister could run a distance of only 500 m. The ratio of the distance run by Raju and his sister is expressed in its simplest form as ________.

###### The first term of a ratio is called _________.

###### The ratio between the total number of hours in a day to 4 hours is represented as a ratio in its lowest term as ________.

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