Mathematics (NDA/NA SOLVED PAPER 2023-I) (51 to 100)

Total Questions: 50

31. Find the value?

Correct Answer: (b) π
Solution:

According to the question

32. What is the value of 8I²₁?

Correct Answer: (d) π⁴
Solution:

33. What is the value of I₂?

Correct Answer: (a)
Solution:I₂ = 2π/2√2 = π√2 .

34. What is l equal to when a < 0 < b ?

Correct Answer: (a) a + b
Solution:

35. What is l equal to when a < b < 0 ?

Correct Answer: (b) a - b
Solution:

36. What is the derivative of f(x) at x = 0.5 ?

Let f(x) = |ln(x)|, x ≠ 1

Correct Answer: (a) -2
Solution:

37. What is the derivative of f(x) at x = 2?

Let f(x) = |ln(x)|, x ≠ 1

Correct Answer: (c) 1/2
Solution:

38. What is the derivative of fof (x), where 1 < x < 2?

Let f(x) = |ln(x)|, x ≠ 1

Correct Answer: (d)
Solution:

39. What is the value of p?

Correct Answer: (b) 3
Solution:

40. What is the value of q?

Correct Answer: (c) 4
Solution:p = 3 and p + q = 7
⇒ q = 7 - 3 = 4.