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A train is delayed by (1/4)rth of it's usual time at source station .find the percentage increased in its speed if it reduced the destination on time .​

Sagot :

Answer:

25%.

Explanation:

The train has to increase its speed to 25% more in order to reduce the destination and reach the station on time because there is one quarter delay occurs in time of train to reach the station. If the train is delay which means that the train is moving with lower speed so in order to reach on time on the station so the train has to increase its speed to recover the time which is lost due to low speed. We know that speed is inversely proportional to the time so if the speed increases, the time will be decrease.