One litre of sprite which contain 10% of water is added to 3 litres of sprite which contain 7% of water and to this mixture half a litre of water is added. Find the percentage of water in the final mixture.
A & B alone can do a piece of work in 12 and 16 days respectively. They work for 8days alternately and remaining work is done by C in 5 days.
In how many days C alone can do the work.
If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, What time taken by 15 men and 20 boys in doing the same type of work ?
The speed of a boat in still water is 11km/hr. It can go 12km upstream and return down stream to the engine point in 2 hours 45 minutes. What is the speed of stream?
It is impossible to be a mathematician without being a poet in soul.
Sofia Kovalevskaya
Each and every person in this world are having "constant mind"...DIFFERENTIATE others mind and INTEGRATE urs.MATHEMATICS SIMPLY MAKES YOU UNSTOPPABLE !!!