1. A group of worker having equal efficiency can complete a job in 3 days but it so happened that every alternate day starting from the second day 5 workers are withdrawn from the job and every alternate day starting from the third day,3 workers added to the group. if it now takes 5 days to complete the job, find the no of workers who started the job and the work done by single worker in a day
A. 27 , 1/9
B. 9, 1/27
C. 6, 1/36
D. 4, 1/16
E.None of these




2. If 2 men or 6 women or 4 boys can finish a work in 99 month , how many days will 9 men , 9 women, 9 boys together take to finish the half work ?
A. 4 days
B. 12 days
C. 10 days
D 6 days
E.None of these



3.10 Men can complete a piece of work in 3 days , 12 women can complete the same work in 5 days, and 15 children can complete  in 10 days, 2 men does it for  2 days , then 6 women does the job for 3 days , and last 10 children does the job 4 days still the work remains incomplete. Find how many more women required to complete the remaining work  in 1 day if 2 men , 6 women, and 10 children rejoin the work?
A. 4 women
B. 2 women
C. 6 women
D. 8 women
E.None of these



4. Three men A,B,C working together can do a job in 6 hours less time than A alone, In 1 hour less time than B alone and in half an hour the time needed by C when working alone. Find the ratio of A and B working separately.
A.1:4
B. 8:5
C. 4:1
D  5:4
E.None of these



5. Chandu does  half work as much as pratik in 2/3rd of the time ,if together they take 24 days to complete the work how much time shall pratik take to do it alone ?
A. 58 days
B. 48 days
C. 56 days
D 52 days
E.None of these



6. To do a certain work B would take time thrice as long as A and C together, And C takes twice as long as A and B together. the three men complete the work together in 10 days. The time taken by A to complete the work seperately is __ .
A. 26 days
B. 24 days
C. 28 days
D 30 days
E.None of these



7. Either 10 men or 8 women can harvest a Field of 7 hectare in 40 days. the number of days required to harvest 21 hectare of Field by 6 men and 8 women working at the same rate is ?
A. 50 days
B. 125 days
C. 48 days
D 75 days
E.None of these



8. A daily-wage labourer was engaged for certain number of  days for Rs. 6800 but being absent for some of those days he was paid only Rs. 6000. By considering his maximum possible daily-wage, find how many days he was absent?
A. 2 days
B. 1 day
C. 3 days
D. 6 days
E.None of these



9. A contractor undertakes to make a flyover in 45 days .He finds that only 1/5th of the flyover is made. How many extra men should he employ so that he is able to complete the work 10 days earlier?
A. 100 days
B.163 days
C. 175 days
D. 225 days
E.None of these


10. A group of workers can complete a piece of work in 50 days when they are working individually. On the first day one person works , on the second day another person join him , on the third day 1 more person join him and this process is continued till the work is completed. How many approximate days are needed to complete the work ?
A. 12 days
B. 5 days
C. 18 days
D. 20 daya
E.None of these
                                   


                                                                                                                       Posted by-
                                                                                                                      Bhushan S. Patil,
                                                                                                                     Pranav M Walse,
                                                                                                                    (Team SUPRAVI)