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Q.
A 260 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train ?
A.
240 mts
B.
270 mts
C.
260 mts
D.
250 mts
View Answer
Correct choice: A
Explanation:
Relative speed = 120 + 80 = 200 km/hr. = 200 x 5/18 = 500/9 m/sec. Let the length of the other train be L mts. Then, (L + 260)/9 = 500/9 => L = 240 mts.
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