Question

A square park of side 240m is to be needed to fit in a rectangular region whose length and breath are respectively 144cm and 100cm

Answer 1

52 men take 35 days to complete a piece of work

1 man takes (52 x 35) = 1 820 days

28 men take (1 820/28) = 65 days to complete the same piece of work.

        HOPE IT WILL HELP YOU ^_^

Answer 2

area of rectangle =l ×b
=144cm×100cm
=14400cm2
area of square = 4(side)sq unit
=4×240m
=960m2
area of rectangular region= area of square-area of rectangle
= 960-144m2
=816m2