Class VIII

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?
  1. 5
  2. 5 1 2
  3. 6
  4. 8
Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?
  1. 3 : 4
  2. 4 : 3
  3. 5 : 3
  4. Data inadequate
A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in:
  1. 5 days
  2. 6 days
  3. 10 days
  4. 10 1 days 2
A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
  1. RS.375
  2. Rs. 400
  3. Rs. 600
  4. Rs. 800
A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :
  1. 8 days
  2. 10 days
  3. 12 days
  4. 15 days
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