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A, B and C three weavers have to supply ...

A, B and C three weavers have to supply an order of 100 shawls. A can weave a shawl in 2 hours, B in 3 hours and C in 4 hours respectively. It is known that even being a joint contract each one weaves his own shawl completely i.e no other weaver help to the rest weavers. In how many hours they will complete the order irrespective of day or night?

A

93 hours

B

100 hours

C

`92 4/12`

D

94 hours

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The correct Answer is:
A
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