Question
Which of the following treatments is most effective in
reducing microbial decay of fresh-cut produce?Solution
UV-C damages microbial DNA and reduces surface contamination, improving shelf life of fresh-cut produce.
Train 'A' having a speed of 20 m/s can cross a man in 6 seconds. The length of train 'B' is 40 metres more than the length of 'A'. If the speed of 'B' i...
Train ‘A’ can cross a pole in 4 seconds and a 150 metre long platform in 10 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2:...
Train P travelling at 50 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 40 km/hr in 14 seconds...
A train 120 m long passes a man standing on a platform in 8 seconds. What time (in seconds) will it take to pass completely over a platform 180 m long a...
Two poles are positioned at a certain distance from each other. A train traveling at a speed of 90 km/hr passes the first pole in 5 seconds and reaches ...
Train A running at speed of 54 km/hr crosses a platform having twice the length of train in 12 sec. Train B whose length is 240m crosses same platform i...
A person is walking at 6 m/sec in the same direction of a train. The train crosses him in 5 seconds. If speed of the train is 108 km/hr, find the time t...
A train that is 360 metres long passes a signal post in 18 seconds. How long will it take to pass a bridge that is 240 metres long?
The time taken by train B to cross a platform of 120 metres is 3 sec less than the time taken by train A to cross the same platform. The sum of length o...
A train of length ‘x’ m crosses a ‘x + 360’ m long platform in 60 seconds. If the train crosses a tree in 18 seconds, then find the value of ‘...
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