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?
" To love Math is to embrace understanding.To use math is embrace life and its complexities."
Elmor EarlF.Leonor
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?