D = 90 + 120 = 210
S = 54 * 5/18 = 15 mps
T = 210/15 = 14 seis the reasoning for what question and answer pair?
Q: A train 90 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 120 meters long is?
Options:
(A) 29
(B) 18
(C) 14
(D) 99
(E) 13
A: (C)
D = 90 + 120 = 210
S = 54 * 5/18 = 15 mps
T = 210/15 = 14 seis the reasoning for what question and answer pair?
user
Q: A train 90 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 120 meters long is?
Options:
(A) 29
(B) 18
(C) 14
(D) 99
(E) 13
A: (C)
assistant
D = 90 + 120 = 210
S = 54 * 5/18 = 15 mps
T = 210/15 = 14 seis the reasoning for what question and answer pair?
Q: A train 90 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 120 meters long is?
Options:
(A) 29
(B) 18
(C) 14
(D) 99
(E) 13
A: (C)