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One side of rectangular field is 15 meter and one of its diagonals is 17 meter. Then find the area of the field.

  • \begin{aligned} 120m^2 \end{aligned}
  • \begin{aligned} 130m^2 \end{aligned}
  • \begin{aligned} 140m^2 \end{aligned}
  • \begin{aligned} 150m^2 \end{aligned}
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2. A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is ?

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3. The perimeters of two squares are 40 cm and 32 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares .

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4. What will be the cost of gardening 1 meter boundary around a rectangular plot having perimeter of 340 meters at the rate of Rs. 10 per square meter ?

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5. Find the circumference of a circle, whose area is 24.64 meter sqaure

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