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Home ‣ Aptitude ‣ Volume and Surface Area Comments
  • Question

  • The radius of a hemisphere is 21 cm, what is its volume? (Take ? = 22/7)


  • Options
  • A. 38808 cubic cms
  • B. 9702 cubic cms
  • C. 19404 cubic cms
  • D. 29106 cubic cms

  • Correct Answer
  • 19404 cubic cms 

    • Tags: Bank Exams

    Volume and Surface Area problems

    Search Results

    • 1. An angle is greater than its complementary by 20°. What will be the measure of the angle?

    • Options
    • A. 55°
    • B. 35°
    • C. 100°
    • D. 80°
      • Discuss
    • 2. In a triangle PQR, S and T are the points on PQ and PR respectively, such that ST II QR and PS/SQ=3/5,PR =6cm, then PT is

    • Options
    • A. 2 cm
    • B. 2.25 cm
    • C. 3.5 cm
    • D. 4 cm
      • Discuss
    • 3. In ?ABC two medians BE and CF intersects at the point O and P,Q are the midpoints of BO and CO respectively. If the length of PQ=3cm, then the length of FE will be

    • Options
    • A. 3 cm
    • B. 6 cm
    • C. 9 cm
    • D. 12 cm
      • Discuss
    • 4. Three angles of a quadrilateral are 60°,90°and 100°. Then the fourth angle of the quadrilateral is

    • Options
    • A. 95°
    • B. 100°
    • C. 110°
    • D. 115°
      • Discuss
    • 5. What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take ? = 22/7)

    • Options
    • A. 1879.43
    • B. 3758.86
    • C. 939.715
    • D. 2819.145
      • Discuss
    • 6. In a triangle the length of the side opposite the right angle is 6 cm, what is the length of the side opposite to the angle which measures 30°?

    • Options
    • A. 3 cm
    • B. 3?3 cm
    • C. 3/2 cm
    • D. (3/2)?3 cm
      • Discuss
    • 7. In a cyclic quadrilateral ABCD , the side AB is extended to a point X. If ?XBC = 82° and ?ADB = 47° , then the value of ?BDC is

    • Options
    • A. 40°
    • B. 35°
    • C. 30°
    • D. 25°
      • Discuss
    • 8. If PQ and PR be the two tangents to a circle with centre O such that ?QPR = 120° then ?POQ is

    • Options
    • A. 90°
    • B. 45°
    • C. 30°
    • D. 60°
      • Discuss
    • 9. In ? ABC , if ?BAC = 90° and AB = AC , then ?ABC is

    • Options
    • A. 30°
    • B. 60°
    • C. 45°
    • D. 25°
      • Discuss
    • 10. Two circles touch externally. The sum of their areas is 130? sq.cm and the distance between their centers is 14 cm. The radius of the bigger circle is

    • Options
    • A. 22 cm
    • B. 11 cm
    • C. 33 cm
    • D. 44 cm
      • Discuss

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