In a mixture 60 litres, the ratio of milk and water 2 : 1. If this ratio is to be 1 : 2, then the quanity of water to be…

Find the fraction which bears the same ratio to $$\frac{1}{{27}}$$ that $$\frac{3}{7}$$ does to $$\frac{5}{9}$$ = ?

In a certain company, the ratio of the number of managers to the number of production - line workers is 5 to 72. If 8 a…

The ratio of the length of a school ground to its width is 5 : 2. If the width is 40m, then the length is = ?

If W<sub>1</sub> : W<sub>2</sub> = 2 : 3 and W<sub>1</sub> : W<sub>3</sub&g…

In a colored picture of blue and yellow color, blue and yellow color is used in the ratio of 4 : 3 respectively. If in t…

A box contains 420 coins of 1 rupee, 50 paise and 20 paise coins. The ratio of their values is 13 : 11 : 7. The number o…

A mixture contains wine and water in the ratio 3 : 2 and another mixture contains them in the ratio 4 : 5. How many litr…