The ratio of alcohol and water in vessel A and B is 5 : 3 and 5 : 7 respectively. In what ratio the mixture from both the vessel mixed to get new mixture containing alcohol and water in the ratio 4:3.

A car and a bus started a race from same point. The speed of car is 116.66% of speed of bus. After four hours distance between them is 28 km. Find the time taken by car to cover 196 km distance.

A can do a work in x days. While B can do the same work in (x + 4) days. Ratio of work done by A in three days to work done by B in four days is 15 : 16. Find the value of ‘x’.

A man sells two identical articles. On one he gets a profit of 15% and on another article he gets a loss of 10%. Find his overall profit/ loss percent.

Vande bharat train can cross a platform of length 98 m in 24 second. Tejas train of same length as vande bharat crosses a pole in 12 second. If speed of vande bharat is 20% more than speed of tejas . Find length of vande bharat train.

A mixture of milk and water contains 75% milk. If 8 liter of mixture is taken out and 7 liters of milk is added, then ratio of milk to water becomes 7 : 2. Find the quantity of mixture initially.

The average weight of a class of 45 girls is 53 kg. It was found that weight of two girls was read as 49 kg and 57 kg instead of 45 kg and 52 kg. Find the actual average weight of the class.

The ratio of speed of boat in still water to speed of stream is 11 : 1. If the boat takes 1 hour more to cover 220 km upstream than to cover same distance in still water. Then find the speed of boat in still water.

A shopkeeper sold an article at a profit of 10%. If the article is mark up by 30% above cost price and gives a discount of 10%, the the difference between the profit becomes Rs. 56. Find the cost price of article.

In 2012, ratio of boys in school A to school B is 45 : 52 and total students in both school in 2012 is 1100. Find the total number of girls in both school in same year.