Ques:- A train of length 150 m takes 40.5 seconds to cross a tunnel of length of 300 m. The speed of the train (in km/hr) is
A. 13.33
B. 26.67
C. 38.32
D. 40
Ques:- Find out the wrong number in a given series.
2, 3, 6, 15, 52.5, 157.5, 630
2, 3, 6, 15, 52.5, 157.5, 630
A. 6
B. 15
C. 52.5
D. 157.5
Ques:- Two trains 240 metres and 270 metres in length are running towards each other on parallel lines, one at the rate of 60 kmph and another at 48 kmph. How much time will they take to cross each other?
A. 14 sec.
B. 15 sec.
C. 16 sec.
D. 17 sec.