2 years ago in Time and Work

A complete 7/10 of a work in 15 days, then he completed the remaining work with the help of B in 4 days. In how many day A and B can complete entire work together?

[A] 10(1/2) days
[B] 12(2/3) days
[C] 13(1/3) days
[D] 8(1/4) days

Attempted 0
Correct 0
Incorrect 0
Viewed 0

Related Questions

• [A] 30 days
• [B] 35 days
• [C] 40 days
• [D] 45 days

A tank can be filled with water by two pipes A and B together in 36 minutes. If the pipe B was stopped after 30 minutes, the tank is filled in 40 minutes. The pipe B can alone fill the tank in:

• [A] 45 minutes
• [B] 60 minutes
• [C] 75 minutes
• [D] 90 minutes

A works thrice as much as B. If A takes 60 days less than B to do a work then find the number of days it would take to complete the work if both work together?

• [A] 45 days
• [B] 22.5 days
• [C] 25 days
• [D] 20 days
• [E] None of these

• [A] 300
• [B] 250
• [C] 350
• [D] 200
• [E] 400

A copying machine "P" can copy 135 pages in 9 minutes, P and Q together can copy 300 pages in 12 minutes. In what time Q can copy 80 pages?

• [A] 7 minutes
• [B] 5 minutes
• [C] 4 minutes
• [D] 8 minutes
• [E] None of these