If A can complete a work in 6 hours, and B can complete it in
8 hours, then how much time would they take to complete the
work together?
Answer Posted / parthi
7 hours
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There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small ball.The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at Nrev/sec. what is 'N' for the horizontal line from the centre of small wheel always is horizontal.
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