logo

CuriousTab

CuriousTab

Discussion


Home Aptitude Simplification Comments

  • Question
  • A spherical lead ball of radius 6 cm is melted and small lead balls of radius 3 mm are made. The total number of possible small lead balls is


  • Options
  • A. 4250
  • B. 4000
  • C. 8005
  • D. 8000

  • Correct Answer
  • 8000 

  • Tags: Bank Exams

    Simplification problems


    Search Results


    • 1. A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is

    • Options
    • A. 25.98
    • B. 26.58
    • C. 27.58
    • D. 27.98
    • Discuss
    • 2. If x=aCos?Cos?, y = aCos?Sin? and z= aSin?, then the value of x2+ y2 + z2 is

    • Options
    • A. 2a2
    • B. 0
    • C. 4a2
    • D. a2
    • Discuss
    • 3. The value of sec217°-1tan273°-sin17°sec73°

    • Options
    • A. 1
    • B. 0
    • C. -1
    • D. 2
    • Discuss
    • 4. If xa+b+1=xa-b+a-ba+b , then x is equal to

    • Options
    • A. 2a-b
    • B. a+b
    • C. a-b
    • D. 2a+b
    • Discuss
    • 5. If a-b=1 and a3-b3 = 61 , then the value of ab will be

    • Options
    • A. -20
    • B. 20
    • C. 30
    • D. 60
    • Discuss
    • 6. If x2+5x+6 = 0 , then the value of 2xx2-7x+6 is

    • Options
    • A. 1/6
    • B. 1/3
    • C. -1/6
    • D. -1/3
    • Discuss
    • 7. If a+b=5 and ab=3, then the value of (a2+b2) is

    • Options
    • A. 17
    • B. 18
    • C. 19
    • D. 20
    • Discuss
    • 8. A 8 cm long perpendicular is drawn from the centre of a circle to a 12 cm long chord. The diameter of the circle is

    • Options
    • A. 10 cm
    • B. 12 cm
    • C. 16 cm
    • D. 20 cm
    • Discuss
    • 9. If x = a + 1/a, y = a - 1/a, then the value of x4+y4-2x2y2

    • Options
    • A. 4
    • B. 8
    • C. 16
    • D. 64
    • Discuss
    • 10. If 2x+4-2x+2=3 , then the value of x?

    • Options
    • A. 0
    • B. 2
    • C. -1
    • D. -2
    • Discuss


    Comments

    There are no comments.

Enter a new Comment