There are 21 poles with a constant distance between each pole. A car takes 30 seconds to reach the 16th pole. How long does it take to reach the last pole?
A. 39 seconds
B. 40 seconds
C. 39.38 seconds
D. 39.5 seconds
Related Questions on Time & Distance Mcqs
Rayan crosses a 400m bridge in 3 minutes. What is speed?
A. 133.33 kmph
B. 1.33 kmph
C. 4 kmph
D. 8 kmph