Question
The first and second members, respectively, of the
ketone homologous series are:Solution
The correct answer is A
A can finish a job in 30 hours while B can finish it in 20 hours. If C is (300/7)% more efficient than A and B together, then find the time taken by C a...
A, B and C can complete a work in 15, 20 and 30 days respectively. They all start working together. After 3 days, C leaves. The remaining work is comple...
Tony has 3 sons – Harry, Peter and Murphy. Harry and Peter can complete the work in 24 days and 36 days respectively. In how many days Murphy will...
‘P’, ‘Q’ and ‘R’ can finish a task in 12 days, 36 days and 72 days respectively. ‘P’ and ‘Q’ begin the task. After ‘n’ days, ‘...
‘D’ can type a document in 45 days, but ‘D’ and ‘E’ together can do it in 27 days. If ‘E’ worked for 15 days alone and then left, in how...
A and B together can complete a work in 10 days, B and C together in 12 days and C and A together in 15 days. In how many days can each of them complete...
A alone can assemble 40 mobile phones in 10 hours, while B alone can assemble the same number in 15 hours. Working together, in how many hours can A and...
9 children can complete a piece of work in 360 days. 18 men can complete the same piece of work in 72 days and 12 women can complete the piece of work i...
- Pipes X and Y can fill a tank in 45 minutes and 60 minutes respectively. Another pipe Z can empty the tank in 1 hour 30 minutes. If X and Z are opened firs...
Anita and Binita have individual completion times for a task; Anita can complete it in 40 days, while Binita can do it in 56 days. Anita initiated the t...
Relevant for Exams:
