27. Distance between two places A & B is 240 km. Two persons P and Q start their journey at point A at the same time. Speed of P is 48 km/hr less than speed of Q. When Q reaches at point B, the returns immediately and meet to P at point C on the way. If BC= 60 km. Find the speed of Q?
1) 120 km/hr 2) 100 km/hr
3) 72 km/hr 4) 48 km/hr
Answers
Answered by
0
Answer:
Correct option is
A
8 kmph
AB=60km, BC=12km, AC=48km
Let the speed of P be x kmph so that speed of Q is (x+4)kmph. Time for P to cover a distance AC and time for Q to cover (AB+BC) are equal.
∴
x+4
72
=
x
48
⟹x=8kmph
Answered by
0
Answer:
I think 120 is the answer
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