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  • Question
  • The diagonals of two squares are in the ratio of 2:5. Find the ratio of their areas.


  • Options
  • A. 2:25
  • B. 3:25
  • C. 4:25
  • D. 6:25

  • Correct Answer
  • 4:25 

    Explanation

    let the diagonals of the squares be 2x and 5x respectively

     

     

     

    ratio of their areas =  1 2 * 2 x 2   : 1 2 * 5 x 2   = 4:25

  • Tags: Bank Exams, Bank PO

    Area problems


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    • 1. A sector of 120, cut out from a circle, has an area of 667cm2 . Find the radius of the circle ?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 2. The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?

    • Options
    • A. 40
    • B. 20
    • C. 30
    • D. none of these
    • Discuss
    • 3. Two circles touch each other at point X. A common tangent touch them at two distinct points Y and Z. If another tangent passing through X cut YZ at A and XA= 16 cm, then what is the value (in cm) of YZ?

    • Options
    • A. 18
    • B. 24
    • C. 16
    • D. 32
    • Discuss
    • 4. Three medians AD, BE and CF of ?ABC intersect at G; Area of ?ABC is 36 sq cm. Then the area of ?CGE is

    • Options
    • A. 12 sq cm
    • B. 6 sq cm
    • C. 9 sq cm
    • D. 18 sq cm
    • Discuss
    • 5. The area of a triangle with vertices A (0, 8) , O (0,0) and B (5, 0) is:

    • Options
    • A. 8 sq. units
    • B. 13 sq. units
    • C. 20 sq. units
    • D. 40 sq. units
    • Discuss
    • 6. If the area of a square with side a s equal to the area of a triangle with base a, then the altitude of the triangle is

    • Options
    • A. a
    • B. 2a
    • C. 5a
    • D. 3a
    • Discuss
    • 7. Find the perimeter and area of a square that has a side of length 14 feet.

    • Options
    • A. 176
    • B. 186
    • C. 196
    • D. 206
    • Discuss
    • 8. If a parallelogram with area p, a triangle with area R and a triangle with area T are all constructed on the same base and all have the same altitude, then

    • Options
    • A. P=R
    • B. P=A
    • C. P=A/2
    • D. P=2R
    • Discuss
    • 9. A man walked diagonally across a square plot. Approximately what was the percent saved by not walking along the edges?

    • Options
    • A. 10%
    • B. 20%
    • C. 30%
    • D. 40%
    • Discuss
    • 10. The area of a rectangle is 80 cm.If its length is 16 cm, what is its width?

    • Options
    • A. 5cm
    • B. 10cm
    • C. 15cm
    • D. 20cm
    • Discuss


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