Mathematics (NDA SOLVED PAPER 2020 – II) (01 to 50)

Total Questions: 50

1. Find the value?

Correct Answer: (c)
Solution:

2. Solve it?

Correct Answer: (a) 180
Solution:

3. Solve it?

Correct Answer: (b) 64
Solution:

4. Solve it?

Correct Answer: (c) 10
Solution:

5. Find the value?

Correct Answer: (d) Infinite
Solution:

6. The number (1101101 + 1011011)₂ can be written in decimal system as

Correct Answer: (c) (200)₁₀
Solution:

7. What is the value of

Correct Answer: (a) 0
Solution:

8. If x = logc (ab), y = logₐ bc , z = logb (ca), then which of the following is correct?

Correct Answer: (c) (1 + x)⁻¹ + (1 + y)⁻¹ + (1 + z)⁻¹ = 1
Solution:

9. Find the value?

Correct Answer: (b) − 14
Solution:

10. Solve it?

Correct Answer: (d)
Solution: