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An automobile has two punctured tyres. The first puncture by itself would make the tyre flat in 10 minutes. The second puncture by itself would make the tyre flat in 5 minutes. How long would it take for both punctures together to make the remaining tyre flat ?
4 minutes
5 minutes
25 minutes
15 minutes
2 1/3 minutes

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TCS Other Question

5 men can do a certain task working 10 hours a day in 1 day that requires 4 Women 2 days working 8 hours a day and 5 boys 4 days working 5 hours a day. If a contractor hires 20 men, 9 Women, and 10 boys to complete together 1000 such tasks, starting on 1st March, 2000, when will the entire work get over ?
2 nd July
29 th June
30 th June
1 4 th August
5 th July
Which is the smallest no divides 11520 and gives a perfect square?
a. 1 b.2 c.5 d.6