Let the original number be ‘x’. According to the question, => x × 1.3 + 34 = 3x => x = 20
A train crosses a platform in 36 seconds and a pole in 24 seconds. If the length of the train is 300 meters, what is the length of the platform?
Car' A' travels at the speed of 65 km/hr and reaches its destination in 8 hours. Car 'B' travels at the speed of 70 km/hr and reaches its destination in...
A man is travelling at a speed of 30 km/h such that he will take 70 minutes to reach his destination. But after completing half the journey, the man too...
When the bus moves at 3/4 of its usual speed, it is 20 minutes late. What is its usual time to cover the journey?
A truck covers 320 km in 10 hours with its usual speed. If the speed of the truck had been 8 km/hr more than its usual speed, find the time taken by the...
A carriage travels in the fog passed along a man who was walking @ 3kmph in the same direction. He could see the carriage for 4 minutes and it was visib...
Some students went on a field trip. At a speed of 6 km/h, they traveled by bike for 2 hours then at a speed of 2 km/h, they walked for another hour; the...
Determine the distance covered by the dog in 2 hours and 30 minutes if the dog's speed is 15 km/h faster than the cow's. The time it takes for the cow t...
X started to run from point ‘A’ to ‘B’ at a speed of 25 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 15 km/...
Buses A and B are moving around a circular ground of radius 210 m. If the speeds of the buses A and B are 10 m/sec and 15 m/sec respectively, then what ...
