SOLVED PAPER 2022 (CDS) (II) (Elementary Mathematics)

Total Questions: 100

41. Solved

Correct Answer: (a)
Solution:

42. Solved

Correct Answer: (a) 61
Solution:

43. What is the diameter of a circle inscribed in a regular polygon of 15 sides with side length unity?

Correct Answer: (b) cot 12°
Solution:

44. Solved

Correct Answer: (b) x
Solution:

45. Consider the following:


Which of the above is/are identities?

Correct Answer: (a) Only 1
Solution:

46. Solved

Correct Answer: (c) ¹²⁄₅
Solution:

47. Solved

Correct Answer: (a) -x
Solution:

48. What is 2 sin⁶ θ + 2cos⁶ θ -3 sin⁴

θ - 3 cos⁴ θ  equal to?

Correct Answer: (a) -1
Solution:

49. What is the minimum value of

3600 sec² θ + 121 cosec² θ,
where  0 < θ < (π/2) ?

Correct Answer: (a) 1320
Solution:

50. Solved

Correct Answer: (c) 2tan θ
Solution: