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Home ‣ Aptitude ‣ Volume and Surface Area Comments
  • Question

  • If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take ? = 22/7)


  • Options
  • A. 21 cms
  • B. 5.25 cms
  • C. 10.5 cms
  • D. 15.75 cms

  • Correct Answer
  • 10.5 cms 

    • Tags: Bank Exams

    Volume and Surface Area problems

    Search Results

    • 1. In a triangle the length of the side opposite the angle which measures 45° is 8 cm, what is the length of the side opposite to the angle which measures 90°?

    • Options
    • A. 8?2 cm
    • B. 4?2 cm
    • C. 8?3 cm
    • D. 4?3 cm
      • Discuss
    • 2. What will be the sum of the measures all the interior angles of a polygon having 14 sides?

    • Options
    • A. 2520°
    • B. 2160°
    • C. 2880°
    • D. 3240°
      • Discuss
    • 3. Volume of a cylinder is 770 cubic cm. If circumference of its base is 22 cm, what will be the curved surface area of the cylinder? (Take ? = 22/7)

    • Options
    • A. 440 sq cms
    • B. 880 sq cms
    • C. 220 sq cms
    • D. 660 sq cms
      • Discuss
    • 4. ?ABC is similar to ?DEF. Length of AB is 18 cm and length of the corresponding side DE is 10 cm. What is the ratio of Perimeter of ?ABC : Perimeter of ?DEF?

    • Options
    • A. 5:9
    • B. 9:5
    • C. 81:25
    • D. 25:81
      • Discuss
    • 5. The total surface area of a hemisphere is 166.32 sq cm, find its radius?

    • Options
    • A. 4.2 cm
    • B. 8.4 cm
    • C. 1.4 cm
    • D. 2.1 cm
      • Discuss
    • 6. At least one diagonal bisects the other in a _____.

    • Options
    • A. Trapezium
    • B. Isosceles trapezium
    • C. Kite
    • D. Cyclic quadrilateral
      • Discuss
    • 7. ?ABC is right angled at B. BD is its altitude. AD = 4 cm and DC = 12 cm. What is the value of AB (in cm)?

    • Options
    • A. 9
    • B. 10
    • C. 6
    • D. 8
      • Discuss
    • 8. What is the diameter (in cm) of a sphere of surface area 154 sq cm?

    • Options
    • A. 3.5
    • B. 14
    • C. 10.5
    • D. 7
      • Discuss
    • 9. What is the area (in sq cm) of a regular hexagon of side 14 cm?

    • Options
    • A. 147?3
    • B. 441?3
    • C. 196?3
    • D. 294?3
      • Discuss
    • 10. What is the slope of the line parallel to the line passing through the points (5, -1) and (4, -4)?

    • Options
    • A. -3
    • B. -1/3
    • C. 3
    • D. 1/3
      • Discuss

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