For the following questions answer them individually
If the cost price of 20 articles is equal to the sale price of 16 articles, then the profit percentage is
The marked price of article A is Rs.1200 more than its cost price. When a discount of Rs.300 is allowed, a profit of 20% is earned. To earn a profit of 25%, the price at which the article A should be sold is ( in Rupees).
A, B, C started a partnership business where A invests 3 times as much as B and B invests $$\frac{2}{3}$$ of what C invests. The ratio of their profits at the end of the year is
In a partnership business with A, B, C as partners the capital of A is $$\frac{3}{4}$$ of the capital of B + C and capital of B is $$\frac{1}{3}$$ of the capital of C + A. The ratio of the annual share of their profits is
A tank has two taps A and B. The taps A and B can empty a full tank in 6 hours and 8 hours respectively. Both are opened at same instant and after 2 hours. B is closed. Total time taken to fill the empty tank (in hours) is
A pipe can fill a tank in 16 minutes and a second one fill it in 24 minutes. A third pipe can empty that full tank in 8 minutes. The first two pipes are kept open for 4 minutes in the beginning and then the third pipe is opened. Then the time in which the tank will be. emptied after all the three pipe started working simultaneously (in minutes)?
Initially Mandeep is at place X and Sandeep is at place Y and these two places are separated by a distance of 825kms. Mandeep stared his journey at 35 khph for 3 hours earlier than Sandeep to meet each other. If the speed of Sandeep is 45 kmph and they met at place Z between X and Y; the distance between Y and Z (in kms) is
A person walking at a speed of 10 kmph stops and rests for 2 minutes after every kilometer. How much time will he take to cover6 kms?
35 persons can plant 1500 trees in 7 hours. In how many hours 45 persons can plant 2500 trees?