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The cost of fencing a circular field at ...

The cost of fencing a circular field at the rate of Rs. 24 per metre is Rs. 5280. The field is to be ploughed at the rate of Rs 0.50 per `m^(2)`. Find the cost of ploughing the field (Take `pi = (22)/(7)`)

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The correct Answer is:
Rs. 4940
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KUMAR PRAKASHAN-HERON'S FORMULA -MULTIPLE CHOICE QUESTIONS
  1. The cost of fencing a circular field at the rate of Rs. 24 per metre i...

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  2. The sides of a triangle m easure 8 cm, 12 cm and 6 cm. Then, the sem ...

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  3. Each side of an equilateral triangle measures 8 cm. Then, the semiperi...

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  4. In a right angled triangle, the length of the hypotenuse is 15 cm and ...

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  5. The ratio of the measures of the sides of a triangle is 3 : 4 : 5. If ...

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  6. The area of a triangle is 48 cm^(2) and one of its sides measures 12 c...

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  7. The sides of a triangle measure 12 cm, 17 cm and 25 cm. Then, the area...

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  8. Two sides of a triangle measure 9 cm and 10 cm. If the perimeter of th...

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  9. The area of an equilateral triangle with each side measuring 10 cm is ...

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  10. Delta ABC is an isosceles triangle in which BC = 8 cm and AB = AC = 5 ...

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  11. ABCD is a parallelogram. If ar (ABC) = 18 cm^(2), then are (ABCD) = ……...

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  12. In Delta ABC AB = 9 cm, BC = 12 cm and AC = 15 cm. BM is an altitude o...

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  13. In quadrilateral ABCD, AC = 10 cm. BM and DN are altitudes on AC from ...

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  14. The perimeter of rhombus ABCD is 40 cm and BD = 16 cm. Then, ar (ABCD)...

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  15. The area of a rhombus is 72 cm^(2) and one of its diagonals measures 1...

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  16. PQRS is a square. If PQ = 10 cm, then PR = …………… cm.

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