I walk a certain distance and ride the car back taking a total time of 33 minutes. I could walk both sides in 45 min. How long would it take me to ride both ways?  Choose the most appropriate option:
A) 19min
B) 20min
C) 21min
D) 22min
E) 23min
Explanation :   Time taken in walking a certain distance   from X and Y = 22 1/2 min   Time taken in riding the same distance   = 33 - 22 1/2 = 10 1/2 min   It will take 21 min to ride both ways.   Answer : 21min
<result>C</result>
I walk a certain distance and ride the car back taking a total time of 33 minutes. I could walk both sides in 45 min. How long would it take me to ride both ways?