The speed of the boat in still water in 12 kmph. It can travel downstream through 48 kms in 3 hrs. In what time would it cover the same distance upstream?  Choose the correct choice:
A) 8 hours  B) 6 hours  C) 4 hours  D) 5 hours  E) 6 hours
Still Water=12km/hr   Downstream=48/3= 
<gadget id="calculator">48/3</gadget>
<output>16</output>
16km/hr   Upstream=&gt;&gt; still water=(u+v/2) =&gt;&gt; 12=u+16/2= 
<gadget id="calculator">+16/2</gadget>
<output>8</output>
8km/hr   So time taken in upstream= 48/8= 
<gadget id="calculator">48/8</gadget>
<output>6</output>
6hrs   ANSW6 hoursR:6 hours
<result>E</result>
The speed of the boat in still water in 12 kmph. It can travel downstream through 48 kms in 3 hrs. In what time would it cover the same distance upstream?