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Electric motors convert electrical energy into mechanical energy through electromagnetic interactions.
A can complete a certain work in 30 days. B is 25% more efficient than A and C is 20% more efficient than B. They all worked together for 3 days. B alon...
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 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 can finish the work in 40 days and B in 30 days. They both work together for 5 days and then B leaves. How many days will A take to complete the remai...
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. ...
Four bells start ringing together at 9:00 am. They ring at intervals of 15 seconds, 20 seconds, 30 seconds, and 40 seconds. At wh...
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 can do (2/5) of a work in 6 days and B can do 30% of the same work in 3 days. They worked together for 4 days. The remaining work was completed by C a...
3 men dig a hole in 10 days. How many days would it take for 5 men to dig the same hole ?
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...