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  • Question

  • If the radius of a circle is increased by 14% its area increases by


  • Options
  • A. 28 percent
  • B. 29.96 percent
  • C. 14 percent
  • D. 14.98 percent

  • Correct Answer
  • 29.96 percent 

    • Area problems

    Search Results

    • 1. The area of a square is 100 sq cm, find length of its diagonal?

    • Options
    • A. 10?2 cm
    • B. 10 cm
    • C. 20 cm
    • D. 20?2 cm
      • Discuss
    • 2. The perimeter and the breadth of a rectangle are 60 cm and 14 cm respectively. Find its area (in cm²)

    • Options
    • A. 112
    • B. 448
    • C. 224
    • D. 336
      • Discuss
    • 3. If the radius of a circle is decreased to 25% of its original value, calculate the percentage decrease in the area of the circle

    • Options
    • A. 25%
    • B. 43.75%
    • C. 50%
    • D. 93.75%
      • Discuss
    • 4. What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

    • Options
    • A. 500
    • B. 250
    • C. 125
    • D. 200
      • Discuss
    • 5. Calculate the area (in cm2 ) of a circle of radius 10.5 cm.

    • Options
    • A. 693
    • B. 157.5
    • C. 315
    • D. 346.5
      • Discuss
    • 6. In an equilateral triangle of side 24 cms, a circle is inscribed touching its sides. The area of the remaining portion of the triangle is equal to

    • Options
    • A. 36.6 sq. cm
    • B. 54.2 sq. cm
    • C. 72.8 sq. cm
    • D. 98.5 sq. cm
      • Discuss
    • 7. One of the internal angle of a rhombus is 60° and length of its shorter diagonal is 8 cm. What is the area of the rhombus?

    • Options
    • A. 64?3 sq cm
    • B. 32?2 sq cm
    • C. 64?2 sq cm
    • D. 32?3 sq cm
      • Discuss
    • 8. The area of the largest triangle that can be inscribed in a semicircle of radius 6m is

    • Options
    • A. 36 sq.m
    • B. 72 sq.m
    • C. 18 sq.m
    • D. 12 sq.m
      • Discuss
    • 9. The area of a rectangle in 60 sq.cm and its perimeter is 34 cm, then the length of the diagonal is

    • Options
    • A. 17 cm
    • B. 11 cm
    • C. 15 cm
    • D. 13 cm
      • Discuss
    • 10. The length of the diagonal and the breadth of a rectangle are 17 cm and 8 cm respectively. Find its perimeter (in cm).

    • Options
    • A. 92
    • B. 46
    • C. 42
    • D. 84
      • Discuss

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