Question

Two friends D and N started simultaneously from opposite points X and Y on a straight
road, at constant speeds. When D had covered 40% of the distance from X to Y, N was 4
km away from D after having crossed D. When N had covered half the way, D was 10 km
short of the mid-point. Which of these is a possible values of distance between the points
X and Y?



yes​

Answer 1

Answer:

Can I get the source of question. Is it from boards