Two Pipes A And B Can Fill A Tank In 10 Hrs And 40 Hrs Respectively.

1.	Two Pipes A And B Can Fill A Tank In 10 Hrs And 40 Hrs Respectively. If Both The Pipes Are Opened Simultaneously, How Much Time Will Be Taken To Fill The Tank?
Answer» PIPE A can fill 1/10 of the TANK in 1 hr Pipe B can fill 1/40 of the tank in 1 hr Pipe A and B together can fill 1/10+1/40=1/8 of the tank in 1 hr i.e., Pipe A and B together can fill the tank in 8 HOURS. Pipe A can fill 1/10 of the tank in 1 hr Pipe B can fill 1/40 of the tank in 1 hr Pipe A and B together can fill 1/10+1/40=1/8 of the tank in 1 hr i.e., Pipe A and B together can fill the tank in 8 hours.

Two Pipes A And B Can Fill A Tank In 10 Hrs And 40 Hrs Respectively. If Both The Pipes Are Opened Simultaneously, How Much Time Will Be Taken To Fill The Tank?

Answer»

PIPE A can fill 1/10 of the TANK in 1 hr

Pipe B can fill 1/40 of the tank in 1 hr

Pipe A and B together can fill 1/10+1/40=1/8 of the tank in 1 hr

i.e., Pipe A and B together can fill the tank in 8 HOURS.

Pipe A can fill 1/10 of the tank in 1 hr

Pipe B can fill 1/40 of the tank in 1 hr

Pipe A and B together can fill 1/10+1/40=1/8 of the tank in 1 hr

i.e., Pipe A and B together can fill the tank in 8 hours.