Question

A swimming pool can be felled in 4 hours by 8 pumps
of the same type. How many required if the pool is to
be filled in 22 hours?​

Answer 1

=for 4hrs 8 pumps are required

=for 1hrs . 8*4pumps are required

=for 8/3 hrs 8*4/8/3pumps are required

=12 pumps are required

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