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ज़मीन आसमान एक
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Ravi appointed 24 workers to finish a job in 18 days. After 9 days, he saw that only 1/3 of the job was completed. If 'n' is the number of additional wo...
1200 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 s...
Buses A and B are moving around a circular ground of radius 280 m. If the speeds of the buses A and B are 12 m/sec and 20 m/sec respectively, then what ...
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