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FRI ( forest research institute ) was established is located at Dehradun in 1901.
Person 'A' begins a journey from Punjab to Delhi, driving initially at 120 km/hr. Every 36 minutes, he reduces his driving speed by 5 km/hr. If the dist...
A train covers a certain distance at a speed of 60 km/h and the next same distance with a speed of 75 km/h and the next same distance with a speed of 10...
Speed of a car and a bus is 20 km/h and 10 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
The speed of a train is 90 km/hr and it takes 16 seconds to cross a man. Find the time taken by train to cross a platform if the ratio of the length of ...
X started to run from point ‘A’ to ‘B’ at a speed of 28 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 12 km/...
The speed of two cars A and B are in the ratio of 12:15 respectively. Car A travels 15 km less than the car B in the same time duration. What was the di...
Traveling at a speed of 's' km/hr, 'C' requires 22 seconds to complete one lap around the perimeter of a circular track with a radius of 35 meters. Dete...
Three cities A, B, and C are located such that they form the vertices of an equilateral triangle if joined by straight lines. Prasanna travels from A t...
A and B are travelling towards each other with a speed of 10 km/hr and 20 km/hr. They started at same time and A covered 20 km less distance than B befo...
A is cycling at an average speed of 15 km/hr such that he can reach a certain point at 12 noon. If he cycles at 30 km/hr, then he will reach the destina...