Probability of A hitting the bulb = 5/10 = 1/2 Probability of the bulb being broke on getting hit = 6/15 = 2/5 Probability of A breaking the bulb = (1/2) × (2/5) = 1/5
A bus starts running with the initial speed of 6 kmhr and its speed increases every hour by certain amount. If it takes 14 hours to cover a distance of ...
3 runners run together in the same direction from a place on a circular path of 16 km and their speeds are 4, 6, and 8 km/h, in how many hours will they...
The distance covered by a train in (4y-1) hours are (64y3-1) km. The speed of the train is.
Find the distance travelled (in km) by the truck to reach point B from point A, if a car cover 45% the same distance in 2 hours 42 minutes and a truck c...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5th of the time, the speed to cover remaining distance in the t...
A thief is noticed by a policeman from a distance of 97 m. The thief starts running and the policeman chases him. The thief and the policeman run at a ...
A bus takes 6 hours to travel from city P to city Q. If the speed was reduced by 10% after covering 120 km, it takes 30 more minu...
Robert started his journey on Monday and travelled at constant speed. Next day by 10.30 am, he had covered 4/7 of his whole journey and on the same day ...
Car M takes 5 hours to travel from point A to B. It would have taken 6 hours, if the same car had travelled the same distance at a speed which was 15 km...
Two cars X and Y start from two places A and B respectively which are 700 km apart at 9 a.m. Both the cars run at an average speed of 60 km/hr towards e...
