Question

A man covered a certain distance at some speed.had he moved 3 km/hr faster,he would have taken 40 minutes less.if he has moved 2km/hr slower,he would have taken 40 minutes more.the distance in km is

Answer 1

hii mate!!

Let distance be x kmph and speed y kmph.
Now, according to question,
 x/y - x/(y+3) = 40/ 60 ............ (i)
 x/(y-2) - x/y = 40/60 .............. (ii)
On solving Eqn (i) and (ii), we get
 y = 12 kmph.
 x = 40 km.

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hope it helps°!!☺☺☺

Answer 2

Answer:

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