Question
A and B together can complete a piece of work in
30 days while A alone can complete 50% of the work in 25 days. Find the time taken by B to complete 20% of the work.Solution
Riya rides a bike at an average speed of 50 kmph and reaches her destination in 6 hours. Himani covers the same distance in 5 hrs. If Riya increases her...
Car 'E' traveling at a certain speed covered a certain distance in 5 hours. Car 'F,' which is 50% faster than Car 'E,' traveled for 4 hours and covered ...
A car travels at a speed that is 30 km/h faster than a bike's speed. The bike covers a distance of 750 km in 15 hours. Calculate the time it takes for t...
- A spherical ball has a diameter of 56 cm. Find its total surface area.
- Ravi started jogging from point X at 12 m/s. 10 seconds later, Sunil began running from the same point in the same direction and managed to catch Ravi in 3...
Anshul lives on 13th floor and Keshav lives on 52th floor. Anshul goes up at a rate of 38 floors per minute and Keshav comes down at a rate of 40 floo...
A train 400 meters long passes a platform of length 200 meters in 36 seconds. What is the speed of the train in km/h?
A motorist is traveling at 72 km/h and expects to complete his journey in 1.25 hours. After reaching halfway, he halts for 15 minutes. What should be hi...
Buses A and B are moving around a circular ground of radius 140 m. If the speeds of the buses A and B are 15 m/sec and 20 m/sec respectively, then what ...
Speed of a car and a bus is 30 km/h and 6 km/h, respectively. If the time taken by the car to cover a distance of ‘10x’ km is 2 hour less than time ...
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