A Bus is running at 9/10 of its own speed reached a place in 22 hours. How much time could be saved if the bus would run at its own speed ?
Select the correct option:
A) 8.2 hrs	B) 6.2 hrs	C) 2.2 hrs	D) 1.2 hrs	E) 3.2 hrs
Explanation:   Let the original Speed be "s" kmph   And the usual time be "t" hrs   Given that if the bus is running at 9s/10 kmph the time is 22 hrs   =&gt; [9s/10] x 22 = t x s   =&gt; 99/5 = t   =&gt; t = 19.8 hrs   Answer: 2.2 hrs
<result>C</result>
A Bus is running at 9/10 of its own speed reached a place in 22 hours. How much time could be saved if the bus would run at its own speed ?