List of top General Aptitude Questions on Time and Work

A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 hours and 20 minutes to fill the tank. The leak can drain all the water of the tank in:

A 5 cm long perpendicular is drawn from the centre of a circle to a 24 cm long chord. Find the diameter of the circle.

16 workers working 8 hours per day can demolish a building in 32 days. In how many days 24 workers working 12 hours per day can demolish the same building?

A can complete a work in 15 days and B can complete the same work in 10 days. In how many days will they complete the work together?

A and B together can complete a piece of work in 12 days. A alone can complete it in 20 days. In how many days can B alone complete the work?

A can complete a work in 12 days and B can complete the same work in 18 days. If A and B work together for 4 days and then A leaves, how many more days will B take to finish the remaining work?

A can complete a work in 12 days and B can complete it in 18 days. In how many days will they complete the work together?

The diameter of a circular garden is \(140\) m. Its area is equal to a rectangular field whose sides are in the ratio \(11:7\). The perimeter (in m) of the rectangular field is (take \(\pi = \frac{22}{7}\)):

If \(12\) men or \(20\) women can do a work in \(54\) days, then in how many days can \(9\) men and \(12\) women together do the work?

The angle of elevation of the top of a hill at the foot of the tower is \(60^\circ\) and the angle of elevation of the top of the tower from the foot of the hill is \(30^\circ\). If the tower is \(50\) m high, what is the height of the hill?

A can do \(\frac{1}{3}\) of a work in \(30\) days. B can do \(\frac{4}{5}\) of the same work in \(24\) days. They worked together for \(20\) days. C completed the remaining work in \(8\) days. Working together A, B and C will complete the same work in:

P and Q can complete a job in 24 days working together. P can alone complete it in 32 days. Both of them worked together for 8 days and then P left. The number of days Q will take to complete the remaining job is:

If 5 workers can complete a job in 12 days, how long will 8 workers take to complete the same job (assuming all work at the same rate)?

Aman can do 50% of the job in 16 days, and Bhanu can do 25% of the job in 24 days. In how many days can they do 1/4 of the job working together?

A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?