Question
A Pilot flying a helicopter looks at the image of the
moon in a river. He finds the diameter of the moon covering the entire width of the river. When he lands he finds the diameter of the moon's reflection much smaller than the width of the river. Why does this happen?Solution
The correct answer is D
Mahesh covered a distance of 350 km in 5 hours on a bike. How much distance will he cover on a bicycle in 3 hours if he rides the bicycle at (2/5) the s...
Neha and Riya start together from point P to point Q. The ratio of their speeds is 4:3. If Riya takes 30 minutes more than Neha to reach point Q, find t...
The ratio of the speed of car to that of a train is 15:22. If the speed of the train is 35 Km/hr more than that of the car, what is the speed of the car?
Train B crosses Train A, which is approaching from the opposite direction, in 28 seconds. If the combined length of Train A and Train B is 2240 meters, ...
Buses A and B are moving around a circular ground of radius 280 m. If the speeds of the buses A and B are 12 m/sec and 20 m/sec respectively, then what ...
A bike completes a journey in 4hrs with a speed of 60 km/hr. At what speed must it travel to complete the journey in 6 hrs?
A diesel truck travelled for 10 hours with a speed of 35 km/h. If the truck travels for 5 km per 1 litre of diesel, then find the quantity of diesel use...
The speed of a car is 30% more than that of a bike. Both of them start from a same point. After travelling for 7 hours, the speed of the bike is increas...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 12 km/hr and 16 km/hr, respectively. If the distance covered by ‘B ...
A train of length 150 meters is running at a speed of 54 km/hr. Find the time taken by the train to cross a platform of length 200 meters.
