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Home ‣ Aptitude ‣ Volume and Surface Area Comments
  • Question

  • In a circle, a chord, 5?2 cm long, makes a right angle at the centre. Then the length of the radius of the circle will be


  • Options
  • A. 2.5 cm
  • B. 5 cm
  • C. 7.5 cm
  • D. 10 cm

  • Correct Answer
  • 5 cm 

    • Tags: Bank Exams

    Volume and Surface Area problems

    Search Results

    • 1. G is the centroid of ?ABC. If AG = BC, then measure of ?BGC is

    • Options
    • A. 45°
    • B. 60°
    • C. 90°
    • D. 120°
      • Discuss
    • 2. ABCD is a cyclic trapezium in which AD || BC. If ?ABC = 70°, then ?BCD is

    • Options
    • A. 110°
    • B. 80°
    • C. 70°
    • D. 90°
      • Discuss
    • 3. The orthocentre of a triangle is the point where

    • Options
    • A. the medians meet
    • B. the altitudes meet
    • C. the right bisectors of the sides of
    • D. the bisectors of the angles
      • Discuss
    • 4. 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
    • 5. 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
    • 6. Thousand solid metallic spheres of diameter 6 cm are melted and recast into a new solid sphere. The diameter of the new sphere (in cm) is

    • Options
    • A. 30
    • B. 90
    • C. 45
    • D. 60
      • Discuss
    • 7. In ?ABC , DE || AC. Where D and E are two points lying on AB and BC respectively. If AB = 5 cm and AD = 3 cm, then BE : EC is

    • Options
    • A. 2:3
    • B. 3:2
    • C. 5:3
    • D. 3:5
      • Discuss
    • 8. PT is a tangent to a circle with centre O and radius 6 cm . If PT is 8 cm then length of OP is

    • Options
    • A. 10 cm
    • B. 12 cm
    • C. 16 cm
    • D. 9 cm
      • Discuss
    • 9. D, E, F are the mid - points of the sides BC , CA and AB respectively of a ?ABC . Then the ratio of the areas of ?DEF and ?ABC is

    • Options
    • A. 1/2
    • B. 1/4
    • C. 1/8
    • D. 1/16
      • Discuss
    • 10. A circle has its centre at O . A tangent drawn from a point P , which is situated outside the circle, touches the circle at A. If PA = 4 cm & PO=5 cm, then the length of the radius of the circle is

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

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