Question : In an office, 75 employees can finish a project in 60 days. After a few days, 15 employees left the job and the project was completed in 65 days. After how many days did the 15 employees leave?

Option 1: 50

Option 2: 45

Option 3: 30

Option 4: 40

Question : A and B together can complete a project in 30 days. They started together, but after 6 days, A left the work and the work was completed by B after 36 more days. Single person A can complete the entire work in how many days?

Option 1: 45 days

Option 2: 90 days

Option 3: 60 days

Option 4: 120 days

Question : A and B together can complete a project in 10 days. They started together, but A left after 2 days and the remaining work was completed by B in 12 days. In how many days can A complete the entire work while working alone?

Option 1: 15 days

Option 2: 20 days

Option 3: 30 days

Option 4: 45 days

Question : A and B can do a piece of work in 10 days. B and C can do it in 12 days. C and A in 15 days. In how many days will C finish it alone?

Option 1: 24 days

Option 2: 30 days

Option 3: 40 days

Option 4: 60 days

Question : 60 men can complete a work in 40 days. They start to work together but after every 10 days, 5 men leave work. In how many days will the work be completed?

Option 1: 47.5

Option 2: 49.5

Option 3: 42.5

Option 4: 45.5

Question : In an entrance examination at different centres, a total of 25, 30, 40, 45, 60 and 100 students appeared. The pass percentages of the different centres are 20%, 30%, 35%, 40%, 50% and 75%, respectively. The pass percentage of the entrance examination is: (correct to the nearest integer)

Option 1: 59%

Option 2: 43%

Option 3: 53%

Option 4: 50%