A takes 12 days less than the time taken by B to finish a piece of work. If A and B together can finish it in 8 days, find the time taken by B to finish the work.

Deepak takes 6 days less than the time taken by Suresh to finish a piece of work. If both Deepak and Suresh together can finish it in 4 days, find the time taken by Suresh to finish the work.

2 women and 5 men can together finish an embriodery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone.

Formulate the following problems as a pair of equations, and hence find their solutions. :- 2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by.l man alone.

8 men and 12 boys can finish a piece of work in 10 days while 6 men and 8 boys can finish it in 14 days. Find the time taken by a man alone and that by 1 boy alone to finish the work.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : 2 men and 5 women can do a piece of work in 4 days. While 4 men and 4 women can finish it in 3 days. How long would it take 1 man to do it ? How long would it take 1 woman to do it ?

A carpenter was hired to build 192 window frames. The first day he made five frames and each day, thereafter he made two more frames than he made the day before. How many days did it take him to finish the job?