What is of an hour is a second?
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Job Solution Palli Karma-Sahayak Foundation (PKSF) Palli Karma-Sahayak Foundation - Asst. Manager - 23.12.2016 গণিত
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If 12 carpenters, working 6 hours a day, can make 460 chairs in 24 days, how many chairs will 18 carpenters make in 36 days , each working 8 hours a day?

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A and B can do a work in 12 days , B and C in 15 days , C and A in 20 days. If A,B and C work together,they will complete the work in :

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A tap can fill a tank in 6 hours. After half the tank is filled, there more similar taps are opened. What is the total time taken to fill the tank completely ?

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A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in meters) is-

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