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Home ‣ Aptitude ‣ Volume and Surface Area Comments
  • Question

  • Find the perimeter (in cm) of a semicircle of radius 14 cm.


  • Options
  • A. 144
  • B. 46
  • C. 72
  • D. 92

  • Correct Answer
  • 72 

    • Tags: Bank Exams

    Volume and Surface Area problems

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    • 1. The perimeter and the length of one of the diagonals of a rhombus is 34 cm and 8 cm respectively. Find the length of its other diagonal (in cm).

    • Options
    • A. 7.5
    • B. 30
    • C. 22.5
    • D. 15
      • Discuss
    • 2. If the side AB of an equilateral triangle ABC is equal to 12 cm. Calculate the length( in cm) of the AO, if O is the centroid of the triangle.

    • Options
    • A. 2?3
    • B. 3?3
    • C. 4?3
    • D. 9?3
      • Discuss
    • 3. The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

    • Options
    • A. 360
    • B. 80
    • C. 160
    • D. 180
      • Discuss
    • 4. The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be _____.

    • Options
    • A. 10.2 cm
    • B. > 10.2 cm
    • C. >=10.2 cm
    • D. <10.2 cm
      • Discuss
    • 5. AB is a chord of the circle and its center is ?O?. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2?11) cm, find the radius (in cm) of the circle.

    • Options
    • A. 10
    • B. 12
    • C. 13
    • D. 15
      • Discuss
    • 6. The volume of a cube is 166.375 cm3. Find its side (in cm).

    • Options
    • A. 6.5
    • B. 4.5
    • C. 7.5
    • D. 5.5
      • Discuss
    • 7. The base area of a right pyramid is 57 sq. units and height is 10 units. Then the volume of the pyramid is

    • Options
    • A. 190 c. units
    • B. 380 c. units
    • C. 540 c. units
    • D. 570 c. units
      • Discuss
    • 8. In ?PQR, L and M are two points on the sides PQ and PR respectively such that LM II QR. If PL=2cm; LQ=6cm and PM=1.5 cm, then MR in cm is

    • Options
    • A. 0.5
    • B. 4.5
    • C. 9
    • D. 8
      • Discuss
    • 9. The length of the radius of a circle with centre O is 5 cm and the length of the chord AB is 8 cm. The distance of the chord AB from the point O is

    • Options
    • A. 2 cm
    • B. 3 cm
    • C. 4 cm
    • D. 15 cm
      • Discuss
    • 10. The radius of a sphere and right circular cylinder is 'r'. Their volumes are equal. The ratio of the height and radius of the cylinder is:

    • Options
    • A. 3:1
    • B. 2:1
    • C. 3:2
    • D. 4:3
      • Discuss

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