Mathematics NDA/NA SOLVED PAPER 2017 (II) (01 to 50)

Total Questions: 50

1. If x + log₁₀ (1 + 2ˣ) = x log₁₀ 5 + log₁₀ 6 then x is equal to:

Correct Answer: (c) 1
Solution:

2. The remainder and the quotient of the binary division (101110)₂ ÷ (110)₂ are respectively:

Correct Answer: (b) (100)₂ and (111)₂
Solution:

3. The matrix A has x rows and x + 5 columns. The matrix B has y rows and 11 - y columns. Both AB and BA exist. What are the values of x and y respectively?

Correct Answer: (c) 3 and 8
Solution:

4. Answer the following question?

Correct Answer: (d) Q
Solution:

5. Find the answer of given question?

Correct Answer: (b)
Solution:

6. If E is the universal set and A = B ∪ C, then the set E − (E − (E − (E − (E − A)))) is same as the set?

Correct Answer: (c) B′ ∩ C'
Solution:

7. If A = {x : x is a multiple of 2}, B = {x : x is a multiple of 5} and C = {x : x is a multiple of 10}, then A ∩ (B ∩ C) is equal to?

Correct Answer: (c) C
Solution:

8. Find the answer of given question?

Correct Answer: (b)
Solution:

9. If |a| denotes the absolute value of an integer, then which of the following are correct?

1. |ab| = |a||b|
2. |a + b| ≤ |a| + |b|
3. |a − b| ≥ |a| − |b|
Select the correct answer using the code given below

Correct Answer: (d) 1, 2 and 3
Solution:All the given three options are correct.

10. How many different permutation can be made out of the letters of the word ‘PERMUTATION’?

Correct Answer: (a) 19958400
Solution: