1.

What part of a ditch, 48 metres long, 16.5 metres broad and 4 metres deep can be filled by the earth got by digging a cylindrical tunnel of diameter 4 metres and length 56 metres ? (Use pi = (22)/(7))

Answer»

`1/9`
`2/9`
`7/9`
`8/9`

ANSWER :B


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