logo

CuriousTab

CuriousTab

Discussion

Home ‣ Aptitude ‣ Volume and Surface Area Comments
  • Question

  • 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

  • Correct Answer
  • 4 

    • Tags: Bank Exams

    Volume and Surface Area problems

    Search Results

    • 1. 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
    • 2. BE and CF are two altitudes of a triangle ABC. If AB = 6 cm , AC = 5 cm and CF = 4 cm , then the length of BE is

    • Options
    • A. 4.8 cm
    • B. 7.5 cm
    • C. 3.33 cm
    • D. 5.5 cm
      • Discuss
    • 3. O is the orthocentre of ?ABC , and if ?BOC = 110° then ?BAC will be

    • Options
    • A. 110°
    • B. 70°
    • C. 100°
    • D. 90°
      • Discuss
    • 4. Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.

    • Options
    • A. 2235.5
    • B. 2425.5
    • C. 2040
    • D. 1860
      • Discuss
    • 5. If the measure of the interior angle of a regular polygon is 90 deg greater than the measure of its exterior angle, then how many sides does it have ?

    • Options
    • A. 8
    • B. 9
    • C. 10
    • D. 12
      • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
      • Discuss
    • 10. ? 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

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.