NDA Mathematics Solved Question Paper 2020 | Previous Year Papers | Zigya

Subject

Mathematics

Class

NDA Class 12

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

Advertisement
1.

What is the maximum number of points of intersection of 5 non-overlapping circles ?

  • 10

  • 15

  • 20

  • 25


2.

What is the number of ways in which the letters of the word ‘ABLE’ can be arranged So that the Vowels occupy even places ?

  • 2

  • 4

  • 6

  • 8


3.

Let A = ahghbfgfc and B = xyz then what  is AB = ?

  • ax + hy + gzyz

  • a + b

  • ax + hy + gzhx + by + fzgx + fy +cz

  • ax + hy +gzhz + by + fzgx + fy + cz


4.

What is the value of the determinant ii2i3i4i6i8i9i12i15

  • 0

  •  - 2

  • 4i

  • - 4i


Advertisement
5.

Let S = {1, 2, 3, ...}. A relation R on S × S is defined by x Ry if loga(x) > loga(y) when a = 12Then the relation is

  • reflexive only

  • symmetric only

  • transitive only

  • both symmetric and transitive


6.

If 1.5 ≤ x ≤ 4.5, then which one of the following is correct ?

  • (2x – 3) (2x – 9) > 0

  • (2x – 3) (2x – 9) < 0

  • (2x – 3) (2x – 9) ≥ 0

  • (2x – 3) (2x – 9) ≤ 0


7.

Let A = x + yy2xx - y, B = 2 - 1 and C = 32 If AB = C, then what is the value of the determinant of the matrix A ?

  •  - 10

  •  - 14

  •  - 24

  •  - 34


8.

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

  • xyz = 1

  • x + y + z = 1

  • (1 + x)-1 + (1 + y)-1 + (1 + z)-1 = 1

  • (1 + x)-2 + (1 + y)-2 + (1 + z)-2 = 1


Advertisement
9.

What is the value of 110log51024 - log510 + 15log53125 ?

  • 0

  • 1

  • 2

  • 3


10.

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

  • (198)10

  • (199)10

  • (200)10

  • (201)10


Advertisement