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PG TRB Maths Model Question Papers with Answers Pdf

TRB Model Questions
 
9. The path of a projectile is
 
  • A. A circle
  • B. A straight line
  • C. An ellipse
  • D. A parabola
Answer: D.
A parabola
 
10. The smallest number with 24 divisors is
 
  • A. 320
  • B. 340
  • C. 420
  • D. 440
Answer: C.
420
 
 
11. The equation of the tangent at the vertex (0,0) to the parabola y2 = 4ax is
 
  • A. x = 0
  • B. y = 0
  • C. x = a
  • D. x = -a
Answer: A.
x = 0
 
12. The algebraic sum of the ordinates of the feet of the three normal's drawn from any point to the given parabola is
 
  • A. necessarily zero
  • B. not necessarily zero
  • C. any positive integer
  • D. any integer
Answer: A.
necessarily zero