A boat goes 8 km upstream in 24 minutes. The speed of stream is 4 km/hr. The speed of boat in still water is:  Choose the correct option: A) 24 km/hr B) 25 km/hr C) 26 km/hr D) 23 km/hr E) 22 km/hr
Speed upstream =8/(24/60)= 
<gadget id="calculator">8/(24/60)</gadget>
<output>20</output>
20 km/hr   Speed of the stream= 4 km/hr   speed of boat in still water = (20+4)= 
<gadget id="calculator">(20+4)</gadget>
<output>24</output>
24 km/hr   24 km/hrnswer : Option 24 km/hr
<result>A</result>
A boat goes 8 km upstream in 24 minutes. The speed of stream is 4 km/hr. The speed of boat in still water is: