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Home ‣ Aptitude ‣ Volume and Surface Area Comments
  • Question

  • What is the value of Cot 60°- Cos 45°?


  • Options
  • A. (9 - 2?3)/9
  • B. (2?6 - 1)/?3
  • C. (1 - 2?3)/2
  • D. (?2 - ?3)/?6

  • Correct Answer
  • (?2 - ?3)/?6 

    • Tags: Bank Exams

    Volume and Surface Area problems

    Search Results

    • 1. D and E are points on side AB and AC of ?ABC. DE is parallel to BC. If AD:DB = 2:3, what is the ratio of area of ?ADE and area of quadrilateral BDEC?

    • Options
    • A. 4 : 21
    • B. 4 : 25
    • C. 4 : 29
    • D. 4 : 9
      • Discuss
    • 2. What are the co-ordinates of the centroid of a triangle, whose vertices are A(2 , 5), B(-4 , 0) and C(5 , 4)?

    • Options
    • A. (-1 , 3)
    • B. (1 , 3)
    • C. (1 , -3)
    • D. (-1 , -3)
      • Discuss
    • 3. What is the equation of the line perpendicular to the line 2x + 3y= -6 and having Y-intercept 3?

    • Options
    • A. 3x - 2y = 6
    • B. 3x - 2y = -6
    • C. 2x - 3y = -6
    • D. 2x - 3y = 6
      • Discuss
    • 4. What is the diameter (in cm) of a sphere of surface area 6.16 sq cm?

    • Options
    • A. 1.4
    • B. 0.7
    • C. 2.8
    • D. 2.1
      • Discuss
    • 5. What is the slope of the line 2x + 3y = 12?

    • Options
    • A. 2/3
    • B. 3/2
    • C. -3/2
    • D. -2/3
      • Discuss
    • 6. What is the reflection of the point (1 , 2) in the line y = 3?

    • Options
    • A. (1, -4)
    • B. (1, 4)
    • C. (-1, -4)
    • D. (-1, 4)
      • Discuss
    • 7. Point A (2, 1) divides segment BC in the ratio 2:3. Co-ordinates of B are (1, -3) and C are (4, y). What is the value of y?

    • Options
    • A. 8
    • B. -7
    • C. -8
    • D. 7
      • Discuss
    • 8. What is the reflection of the point (-2, 5) in the line x = -1?

    • Options
    • A. (-2 , -7)
    • B. (0 , 5)
    • C. (2 , 5)
    • D. (-2 , 7)
      • Discuss
    • 9. What is the reflection of the point (-1 , 3) in the line x = -4?

    • Options
    • A. (-7 ,-3)
    • B. (-7 ,3)
    • C. (7 ,-3)
    • D. (7 ,3)
      • Discuss
    • 10. The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?

    • Options
    • A. (0 , 13)
    • B. (0, 5)
    • C. (0, -5)
    • D. (0 , -13)
      • Discuss

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