Question
An article is sold at a profit of 40%. If the purchasing
price triples and the selling price decreases by 20%, what will be the percentage of profit or loss?Solution
Let CP = 100 Profit = 40% Sp = 140 So now CP is Tripple, and the selling price is 20% less. then CP= 300 SP = 140Γ80/100=112 Loss = 300-112= 188 Loss% = (188/300) Γ100 =62.6%
- Pipe D can fill a pool in 6 hours and pipe E in 12 hours. If both the pipes are opened in an empty pool, how much time will they take to fill it?
- There are two inlet pipes 'M', 'N' and one outlet pipe 'O' in a tank. βMβ and βNβ can fill the tank in 12 minutes and 6 minutes respectively. βOοΏ½...
Pipe βGβ and pipe βHβ together can fill an empty tank in 40 hours while pipe βHβ and pipe βIβ together take 25 hours to fill the same ta...
Two pipes M and N can fill a tank in 16 hours and 24 hours respectively. The pipes were opened together, but pipe N stopped working after sometime and t...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 7) hours. If the efficiency of pipe B is triple of pipe A and pipe A ...
Pipe βAβ takes 60 hours to fill a tank. Pipe βBβ takes 120 hours to empty it. If both are opened together, find the time required to fill 50% o...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 7 hours while pipe ‘C’ takes 40 hours to empty it. ...
- Pipe βPβ alone can fill a tank in 12 minutes. If pipes βPβ and βQβ are operated together, they fill the tank in 16 minutes. Find the time taken...
Pipe βAβ can fill a tank in 45 hours. Pipe βBβ can empty the same tank in 90 hours. If both are opened simultaneously, how long will it take to ...
A and B can fill a tank in 9 hours and 18 hours respectively. Pipe C can empty it in βxβ hours. If all three pipes are opened, the tank is filled in...
Relevant for Exams:
