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Home ‣ Aptitude ‣ Volume and Surface Area Comments
  • Question

  • G is the centroid of the equilateral triangle ABC, if AB = 9cm then AG is equal to


  • Options
  • A. 3?3cm
  • B. 3cm
  • C. 3?3/2cm
  • D. 6cm

  • Correct Answer
  • 3?3cm 

    • Tags: Bank Exams

    Volume and Surface Area problems

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    • 1. O is an centre of a circle. P is an external point of it at distance of 13cm from O. The radius of the circle is 5cm. Then the length of a tangent to the circle from P upto the point of contact is

    • Options
    • A. ?194cm
    • B. 10cm
    • C. 12cm
    • D. 8cm
      • Discuss
    • 2. The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :

    • Options
    • A. 52
    • B. 56
    • C. 68
    • D. 72
      • Discuss
    • 3. In ?ABC, the medians AD and BE meet at G. The ratio of the areas of ?BDG and the quadrilateral GDCE is

    • Options
    • A. 1 : 2
    • B. 1 : 3
    • C. 2 : 3
    • D. 3 : 4
      • Discuss
    • 4. O is the centre of a circle and AB is the tangent to it touching at B . If OB = 3 cm. and OA = 5 cm , then the measure of AB in cm

    • Options
    • A. ?34
    • B. 2
    • C. 8
    • D. 4
      • Discuss
    • 5. In a ?ABC , BC is extended upto D, ? ACD =120°, ? B = 1/2 A. Then ? A is

    • Options
    • A. 60°
    • B. 75°
    • C. 80°
    • D. 90°
      • Discuss
    • 6. ? ABC is right angled at B. If m?A = 30° , what is the length of AB (in cm), if AC = 10 cm?

    • Options
    • A. 5
    • B. 5?3
    • C. 10?3
    • D. 10
      • Discuss
    • 7. The chord AB of a circle of centre O subtends an angle ? with the tangent at A to the circle. Then measure of?ABO is

    • Options
    • A. ?
    • B. 90° - ?
    • C. 90° + ?
    • D. 2 (180° - ?)
      • Discuss
    • 8. Two adjacent sides of a parallelogram are 21 cms and 20 cms. The diagonal joining the end points of these two sides is 29 cms. The area of the parallelogram (in sq.cms) is

    • Options
    • A. 240
    • B. 120
    • C. 210
    • D. 420
      • Discuss
    • 9. The point where the 3 medians of a triangle meet is called

    • Options
    • A. centroid
    • B. Incentre
    • C. Circumcentre
    • D. orthocentre
      • Discuss
    • 10. ?ABC a right angled triangle has ?B = 90° and AC is hypotenuse. D is its circumcentre and AB = 3 cms, BC = 4 cms. The value of BD is

    • Options
    • A. 3 cms
    • B. 4 cms
    • C. 2.5 cms
    • D. 5.5 cms
      • Discuss

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