Ashok left mathura at 5 a.m. An hour and a half later Brijesh left Mathura, his speed bring 5 kmph higher than that of Ashok. At 9:30 p.m. on the same day the distance between Ashok and Brijesh was 21 km.What is the speed of Ashok in kmph?
(a) 80 or 20
(b) 75 or 25
(c) 70 or 30
(d) 64 or 36
Ans 7. 64 or 36
Hint: Ashok travles for ( 12-5) + 9:30 hours till 9:30 p.m. Brijesh travels for (12-6:30) + 9:30 p.m.
There are two possibilities:
Ashok could be leading Brijesh or Brijesh could be leading Ashok.
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