A pipe can fill a tank in x hours and another can empty it in y hours. In how many hours they together fill it in ( y > x) ?
A. (x - y) hours
B. (y - x) hours
C. $$\left( {\frac{{xy}}{{x - y}}} \right)\,{\text{hours}}$$
D. $$\left( {\frac{{xy}}{{y - x}}} \right){\text{hours}}$$
Answer: Option D
Solution(By Examveda Team)
Time will be taken by both of them to fill the tank
$${\text{ = }}\frac{{xy}}{{y - x}}$$
This Question Belongs to Arithmetic Ability >> Pipes And Cistern
Related Questions on Pipes and Cistern
A. $$\frac{5}{{11}}$$
B. $$\frac{6}{{11}}$$
C. $$\frac{7}{{11}}$$
D. $$\frac{8}{{11}}$$
A. $$1\frac{{13}}{{17}}$$ hours
B. $$2\frac{8}{{11}}$$ hours
C. $$3\frac{9}{{17}}$$ hours
D. $$4\frac{1}{2}$$ hours
A. $$4\frac{1}{3}$$ hours
B. 7 hours
C. 8 hours
D. 14 hours
Join The Discussion