সব প্রশ্নে ফিরে যান
Math
A boat sailing against a stream of river takes 6 hours to travel 24 kms while sailing with thestream it takes 4 hours to travel the same distance. What is the speed o fthe stream?
A) 2.5 km/hr
B) 1.5 km/hr
C) 1 km/hr
সঠিক উত্তর
D) km/hr