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
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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.
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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
=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
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