Question
When a number is increased by 8, it becomes 120% of
itself. The number is:Solution
Given: The number is increased by 8 and becomes 120% of itself. Number system and percentage Let the number be x As per the question: x+8 = x Γ120/100 x + 8 = 1.2x 0.2x = 8 x=8/0.2 x = 40.
Pipe βAβ can fill a tank in 6 hours whereas pipe βBβ can empty it in 18 hours. If both pipes are opened together while pipe βBβ is closed af...
Two pipes A and B can fill a tank in (x+4) hours and (x+8) hours, respectively. Both pipes are opened together, and after 4 hours, pipe A is closed. Pip...
There are four pipes A, B, C and D where A and B are used to fill the tank and C and D are used to empty the tank. Pipe A and C together can fill the ta...
A tank has two inlet pipes, A and B, which can fill the tank in 6 hours and 8 hours, respectively, and an outlet pipe C, which can empty the tank in 12 ...
Pipe βAβ can fill a tank in 27 hours. Pipe βBβ can empty it in 54 hours. If both are opened simultaneously, in how many hours will 66.67% of the...
Pipe βAβ can fill a tank in 25 hours while pipe βBβ can empty it in 30 hours. They were operated on alternate hours starting with pipe βAβ. ...
Pipe 'A' fills half tank in 25 minutes. Pipe 'B' is 3 times as efficient. What percentage of the tank is filled by both in 10 minutes?
- A tank can be filled by a pipe in 24 minutes. There is also a leak that can empty the full tank in 40 minutes. Determine the time to fill half the tank whe...
Pipe βAβ can fill a 150-litre tank in 15 hours. If pipe βAβ is 25% more efficient than pipe βCβ whereas pipe βBβ is 50% more efficient t...
There are 3 inlet and (z-1) outlet pipes attached to a tank. Each inlet pipe takes 40 hours to fill the tank, and each outlet pipe empties the fully fil...