In a town, 60% of the total voters is male and the rest are females. If 60% of the males are literate and 70% of the females are literate, then by what percent is the number of literate males more than that of illiterate females?

Two people A and B started their journey from P to Q and Q to P respectively. After crossing each other, A and B completed the remaining part of their journey in 3 hour 20 mins and 4 hours 48 mins respectively. If the speed of B is 80 km/hr, then find the speed of A in (km/ hr)? 

The ratio of milk and water in to mixtures A and B are 3:4 and 5:9 respectively. If these two mixtures are mixed in the ratio of 2:3. Then find the ratio of milk and water in the resultant mixture. 

At what annual percentage rate, 10 years of simple interest on an amount will be $$ {2\over 5}$$ of the addition?

The following table shows the number of units of product produced and sold by a company over the course of six years.

In which year, the production of product units is about 31.4 percent less than the units sold in 2017?

The following table shows the number of units of product produced and sold by a company over the course of six years.

The number of units of product sold in 2016 is approximately what percent more than the average number of units produced from 2012 to 2016?

The following table shows the number of units of product produced and sold by a company over the course of six years.

Find the ratio between the total number of units sold in 2013 and 2015 and the number of units produced in 2015 and 2016?

The two trains cross each other in 12 seconds, moving in the opposite direction, and they take 60 seconds to travel in the same direction. both trains can have speed in (m/sec).