गये प्रश्न के लिए निम्नलिखित में से कौन सी जानकारी आवश्यक है। |
In how much time will the train cover the distance between city Y from city X? |
I. The train crosses another train of equal length of 200 m running in opposite, direction in 15 seconds. |
II. The train leaves city Y at 7.15 am for City X situated at a distance of 560 km. |
III. The 200 m long train crosses a signal pole in 10 seconds. |
A) Only II and III
B) Only I and III
C) Only I and II
D) All
E) None of these
Correct Answer: D
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