Net working capital is defined as the aggregate of the current liabilities and current assets i.e, it measures the company's ability to pay off its current liabilities with in the current assets.
A man misses a train by 1 hour if he travels at a speed of 4 kmph. If he had increased his speed to 5 kmph, he would gave still missed the train by 24 minutes. At what speed should he have travelled so that he reached the station exactly on time?