A person from the top of a hill observes a vehicle moving towards him at a uniform speed. It takes 10 minutes for the angle of depression to change from...
Working alone, B can complete the work in 20 days. C is twice as efficient as B and A takes 2 days more than it takes C to complete the work. Working to...
A, B and C can individually complete a piece of work in 24 days, 15 days and 12 days,respectively. B and C started the work and worked for 3 days and le...
A, B and C can do a piece of work in 11 days, 20 days and 55 days respectively. If B works daily and is supported by A and C on alternate days beginnin...
A contractor hires 12 workers to complete a project in 20 days. After 8 days, 4 more workers are employed, and the project is completed 2 days earlier. ...
15 male employees or 20 female employees of a company can complete a project in 26 days. How long will 30 male employees and 12 female employees togethe...
A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 12 days, and C alone in 24 days, in wha...
Three pipes, A, B, C can fill an empty cistern in 2, 3 and 6 hours respectively. They are opened together. After what time should B be closed, so that ...
A and B alone can complete a work in 30 and 60 days, respectively. 50% of the work is completed by C in 6x days, and the remaining work is completed by ...
A mobile plan costs Rs.32 for 6 minutes. What is the approximate cost, rupees, for 4 minutes?
