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5 years, 11 months ago
A train having a length of 500 m passes through a tunnel of 1000 m in 1 minute. What is the speed of thetrain in Km/hr?
5 years, 11 months ago
Manju takes 16 days to complete a work. If she works with her friend Jenny they complete it in 12 days.
How many days will it take for Jenny to complete the work alone?