Distance =224 kmbelnanna wrote:Please help to explain this question.. Thanks in advance.

Time taken to complete the distance at slower pace= 56min

convert to hours = 56/60 = 14/15 hour

Slow speed = 224/(14/15) = 240 km/h

Usual speed= 240+40 = 280 km/h

Usual time wll be 224/280 = 0.8 hour or 0.8 X 60= 48 mins