সব প্রশ্নে ফিরে যান
Math
A train traveled p kms in 40 minutes and completed the remaining 200 kms of the trip in q minutes. What was its average speed, in km per hour for the entire trip?
A) 60(p+200 )/(40+ q)
সঠিক উত্তর
B) 240/(p+q)
C) 4/(p+q)
D) None