The cost of 0.5 of a number equals 0.07 of another. Then the ratio of the two numbers is: 

In a proportion: 

Product of extremes = ___________ of means. 

What must be added to each term of the ratio 7:13 so that the ratio becomes 2:3? 

The boys and girls in a school are in the ratio 9:5. If the number of girls are 225 then the no.of boys are. 

The ratio between two numbers is 3:4. If their L.C.M is 180, the numbers are: 

The cost of 8 copies of a book is Rs. 488. Then the cost of 15 copies of the same book at the same rate is _______

The equality of two ratios is called ________. 

Ratio is a method of comparing two quantities by. 

The ratio of 20 miles to 25 km is.

The ratio of Rs. 5 and Rs. 750 in simplest form is.