In a race of 1000m, A can beat B by 100m. In a 400m, B beats C by 40m. In a race of 500m. A will beat C by

It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if …

From two places, 60 km apart, A and B start towards each other at the same time and meet each other after 6 hour. If A t…

Running at $$\frac{5}{4}$$ of his usual speed, an athlete improves his timing by 5 minutes. The time he usually takes to…

A car travels the first one third of a certain distance with a speed of 10 km/hr, the next one third distance with a spe…

If a train runs at 40 kmph, it reaches its destination late by 11 minutes but if it runs at 50 kmph, it is late by 5 min…

Two trains start from a certain place on two parallel tracks in the same direction. The speed of the trains are 45 km/hr…

A 6 × 6 grid is cut from an 8 × 8 chessboard. In how many ways can we put two identical coins, one on the bl…