7th Class
Computers Science
Sample Paper
Computer Science Olympiad Model Test Paper-5
question_answer
A train 'X' leaves city 'P' at 5 am and reaches city 'Q' at 9 am. Another train 'Y' leaves city 'Q' at 7 am and reaches city 'P' at 10:30 am. At what time do the 2 trains cross one another?