The number of minutes needed to solve an exercise set of variation
problems varies directly as the number of problems and inversely as the
number of people working on the solutions. It takes 4 people 36 minutes to
solve 18 problems. How many minutes will it take 6 people to solve 42
problems.
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yarrr divyanshi h na ki fivyanshi...!!
If the diagonal and the length of the perpendiculars from the vertices are given, then the area of the quadrilateral is calculated as: Area of quadrilateral = (½) × diagonal length × sum of the length of the perpendiculars drawn from the remaining two vertices.
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