A train running at 1/5 of its own speed reached a place in 20 hours. How much time could be saved if the train would have run at its own speed?
Select the correct option.
A) 8hrs
B) 10hrs
C) 12hrs
D) 16 hrs
E) 6hrs
time taken if run its own speed = 1/5*20= 
<gadget id="calculator">1/5*20</gadget>
<output>4</output>
4 hrs   Time saved= 20 - 4= 
<gadget id="calculator">20 - 4</gadget>
<output>16</output>
16 hrs   Answer : 16 hrs
<result>D</result>
A train running at 1/5 of its own speed reached a place in 20 hours. How much time could be saved if the train would have run at its own speed?