9th Class Mathematics Related to Competitive Exam Question Bank

done Mensuration Total Questions - 10

• question_answer1)
  If the side of an equilateral triangle is 7 metres; its area (in sq. m.) is:
  A)
  19. 2       done clear
  B)
                     21.22 done clear
  C)
  20. 4                 done clear
  D)
  25 done clear
  E)
  None of these done clear
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• question_answer2)
  The sides of a triangle are: 25 m, 60 m and 65 m, its area is:
  A)
  790 sq. m             done clear
  B)
         850 sq. m done clear
  C)
  750 sq. m     done clear
  D)
         600 sq. m done clear
  E)
  None of these done clear
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• question_answer3)
  A parallelogram, the length of whose sides are 12 cm and 8 cm has one diagonal 10 cm long. The length of the other diagonal is:
  A)
  8.89 cm               done clear
  B)
        17.78 cm done clear
  C)
  18.18 cm             done clear
  D)
         9.00 cm done clear
  E)
  None of these done clear
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• question_answer4)
  If one side and one diagonal of a rhombus are 13 cm and 10 cm, its area in sq. cm. is :
  A)
  240                     done clear
  B)
          200 done clear
  C)
  120    done clear
  D)
         140 done clear
  E)
  None of these done clear
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• question_answer5)
  The perimeter of a rectangle is equal to the perimeter of a right angled triangle of height 12 cms. If the base of the triangle is equal to the breadth of the rectangle, find the length (in cm) of the rectangle.
  A)
  18                        done clear
  B)
          24 done clear
  C)
  22                        done clear
  D)
         Data is inadequate done clear
  E)
  None of these done clear
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• question_answer6)
  The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot Rs.26.50 per metre is Rs.5300, then what is the length of the plot in metres?
  A)
  40                       done clear
  B)
          120 done clear
  C)
  50                        done clear
  D)
         60 done clear
  E)
  None of these done clear
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• question_answer7)
  If the ratio of the areas of two squares is 9 : 1, then the ratio of their perimeters is:
  A)
  \[9:1\]                     done clear
  B)
         \[3:4\] done clear
  C)
  \[3:1\]    done clear
  D)
         \[1:3\] done clear
  E)
  None of these done clear
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• question_answer8)
  For a trapezium parallel sides (in metres) are 11 and 25 and non - parallel sides (in metres) are 15 and 13, The area (in sq. m.) of the trapezium is:
  A)
  84                       done clear
  B)
         512 done clear
  C)
  432                      done clear
  D)
         216 done clear
  E)
  None of these done clear
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• question_answer9)
  Two poles 15 metres and 30 metres high stand upright in a playground. If their feet be 36 metres apart, find the distance between their tops.
  A)
  36 m                    done clear
  B)
           39 m done clear
  C)
  15 m                    done clear
  D)
          30 m done clear
  E)
  None of these done clear
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• question_answer10)
  Three spherical metal balls of radii 5, 8 and R cm are melted into a solid sphere of radius 12 cm. The value of R is:
  A)
  8                          done clear
  B)
        10 done clear
  C)
  14                                 done clear
  D)
  18 done clear
  E)
  None of these done clear
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