Q1. A labourer was appointed by a contractor on the condition he would be paid Rs 150 for each day of his work but would be fined a the rate of Rs 30 per day for his absent After 20 days the contractor paid the laborer s 2820 Find the number of days he worked

Q2. A and B can do a piece of work in 72 days B and C can do it in 120 days C and A can do it in 90 days In how many days all three together can do the work

Q3. 20 men can complete a work in 14 days and 20 women can complete the same work in 18 days 7 men and 9 women started the work After working for some days they were replaced by 10 men and 10 women who complete the remaining work in 9 days How much work was completed by initially employed men and women

Q4. 12 children and 15 men complete a certain piece of work in 7 days If each child takes twice the time taken by a man to finish the work in how many days will 14 men finish the same work

Q5. A project manager hired 16 men to complete a project in 40 days However after 30 days he realized that only 4 9 th of the work is complete How many more men does he need to hire to complete the project on time