A man starts his journey from Chennai to Delhi by train . He starts at 22.30 hours on Wednesday . If it takes 32 hours of travelling time and assuming that the train is not late , when will he reach Delhi ?

A commuter train arrives punctually at a station every half hour. Each morning, a student leaves his house to the train station. Let x denote the amount of time, in minutes, that the student waits for the train from the time he reaches the train station. It is known that the pdf of X is f(x)={{:(1/30, 0 lt x lt 30), (0, "elsewhere"):} . Obtain interpret the expected value of the random variable X.

A man travels 370km partky by train and partly by car. If he covers 250 km by train and the rest by car, it takes him 4 hours, but if he travels 130 km by train and the rest by car, it takes 18 minutes more. Find the speed of the train and that of the car.

The duration of flight travel from Chennai to London through British Airlines is approximately 11 hours. The airplanes begin its journey on Sunday at 23:30 hours. If the time at Chennai is four and half hours ahead to that of London's time, then find the time at London,when will the flight lands at London Airport.

A man standing on a road has to hold his umbrella at 30^0 with the vertical to keep the rain away. The throws the umbrella and starts running at 10 km/h. He finds that raindrops are hitting his head vertically. Find the speed of raindrops with respect to a. the road, b. the moving man.

Formulate the following problems as a pair of equations and then find their solutions. ii. Rahim travels 600 km to his home partly by train and partly by car. He takes 8 hours if he tracels 120 km by train and rest by car. He takes 20 minutes more if he tracels 200km by train and rest by car. Find the speed of the train and the car.

A car starting from rest covers a distance of 100 m in 5 second . Assuming his acceleration is uniform . How much distance would he cover in the last second ?