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  • Question
  • Find the perimeter of the rectangle or square with the given dimensions s = 3 cm


  • Options
  • A. 12
  • B. 13
  • C. 14
  • D. 15

  • Correct Answer
  • 12 

    Explanation

    P=4s


  • Area problems


    Search Results


    • 1. Find the perimeter of the rectangle or square with the given dimensions s = 3 cm

    • Options
    • A. 12
    • B. 13
    • C. 14
    • D. 15
    • Discuss
    • 2. The length of a rectangle is 12 cm. What is the width if the area is 72 cm ?

    • Options
    • A. 6cm
    • B. 5cm
    • C. 3cm
    • D. 4cm
    • Discuss
    • 3. If the radius of a circle is decreased by 50%, find the percentage decrease in its area.

    • Options
    • A. 55%
    • B. 65%
    • C. 75%
    • D. 85%
    • Discuss
    • 4. A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:

    • Options
    • A. Rs. 456
    • B. Rs. 458
    • C. Rs. 558
    • D. Rs. 568
    • Discuss
    • 5. The area of a circular cricket ground is 24.64 hectares. Find the cost of making rope boundary at the rate of Rs. 5.40 per metre.

    • Options
    • A. Rs. 9,600
    • B. Rs. 9,504
    • C. Rs. 9,802
    • D. Rs. 9,876
    • Discuss
    • 6. In a wheelchair slalom event, athletes weave around cones and race to the finish line. A diagram of the rectangular course is shown. Find the perimeter of the course

    • Options
    • A. 32
    • B. 42
    • C. 62
    • D. 92
    • Discuss
    • 7. If the ratio of area of rectangle to its perimeter is 60:11. And length and breadth are in the ratio 6 : 5. Find length of rectangle.

    • Options
    • A. 40 units
    • B. 30 units
    • C. 13 units
    • D. 24 units
    • Discuss
    • 8. The base of a parallelogram is twice its height. If the area of the parallelogram is 338 sq.cm. Find its height?

    • Options
    • A. 13 cm
    • B. 14 cm
    • C. 16 cm
    • D. 12 cm
    • Discuss
    • 9. D and E are the points on the sides AB and AC respectively of a ?ABC and AD = 8 cm, DB = 12 cm, AE= 6 cm and EC = 9 cm, then BC is equal to:

    • Options
    • A. 2/5 DE
    • B. 5/2 DE
    • C. 3/2 DE
    • D. 2/3 DE
    • Discuss
    • 10. Diagonals of a Trapezium ABCD with AB || CD intersect each other at the point O. If AB = 2CD, then the ratio of the areas of ?AOB and ?COD is

    • Options
    • A. 4:1
    • B. 1:16
    • C. 1:4
    • D. 16:1
    • Discuss


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