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PG TRB Maths Question Papers with Answers Pdf

TRB Model Questions
 
9. The curvature of a circle is
 
  • A. the reciprocal of its radius
  • B. its centre
  • C. its radius
  • D. its tangent
Answer: A.
the reciprocal of its radius
 
10. A particular solution of a differential equation represent
 
  • A. A line
  • B. A curve
  • C. A circle
  • D. An ellipse
Answer: B.
A curve
 
 
11. The amplitude of the product of two complex number is
 
  • A. The sum of their amplitude
  • B. The quotient of their amplitude
  • C. The product of their amplitude
  • D. The difference of their amplitude
Answer: A.
The sum of their amplitude
 
12. The conic is called an ellipse if
 
  • A. e > 1
  • B. e < 0
  • C. e = 1
  • D. e < 1
Answer: D.
e < 1