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TRB MODEL QUESTIONS FOR MATHS

TRB Model Questions
31. Number of divisors of 729 is
 
  • A. 7
  • B. 12
  • C. 22
  • D. 30
 
32. If n is any integer then ( cosΘ + i sin Θ )n is
 
  • A. cos nΘ – i sin nΘ
  • B. cos nΘ + i sin nΘ
  • C. sin nΘ – i cos nΘ
  • D. sin nΘ + i cos nΘ
 
 
33. The area bounded by the curve x = log y, then x axis and the y axis is
 
  • A. 1
  • B. 2
  • C. 3
  • D. ∞
 
34. The area between the curve y2 = 9x and the straight line y = x is
 
  • A. 13.5 square units
  • B. 14.5 square units
  • C. 10.5 square units
  • D. 15.5 square units
 
35. The angle between the asympotes of the hyberbola 24x2 - 8y2 = 27 is
 
  • A. 30°
  • B. 45°
  • C. 60°
  • D. 90°