Defence aspirants here can practice best NDA maths question paper which can help him to improve in preparation. Answer Key also attached.

 

Question 1) The number of constant functions from a set containing m elements to a set containing n elements is

1. mn
2. m
3. n
4. m+n

Question 2) The function f:[0,2π]➝[-1,1] defined by f(x)=sin x is

1. one-to-one
2. on to
3. bijection
4. cannot be defined

Question 3) Let X={1,2,3,4}, Y={a,b,c,d} and f={f(1,a),(4,b),(2,c),(3,d),(2,d)}. Then f is

1. an one-to-one function
2. an onto function
3. a function which is not one-to-one
4. not a function

Question 4) Let f:R➝R be defined by f(x)=1-|x|. Then the range of f is

1. R
2. (1,∞)
3. (-1,∞)
4. (-∞,1]

Question 5) If |x+2| ≤ 9, then x belongs to

1. (−∞,−7)
2. [-11, 7]
3. (−∞,−7)∪(11,∞)
4. (-11, 7)

NDA Maths Question Paper

Question 6) The solution 5x-1<24 and 5x+1 > -24 is

1. (4,5)
2. (-5,-4)
3. (-5,5)
4. (-5,4)

Question 7) The value of log_a b log_b c log_c a is

1. 2
2. 1
3. 3
4. 4

Question 8) cos1⁰+cos2⁰+cos3⁰+: : :+cos179⁰=

1. 0
2. 1
3. -1
4. 89

Question 9) Which of the following is not true?

1. sinፀ=-3/4​​​​​​​
2. cosፀ=-1
3. tanፀ=25
4. secፀ=1/4

Question 10) Let f_k(x)=1/k[sin^kx+cos^kx] where x∈R and k≥1. Then f₄(x)-f₆(x)=

1. 1/4
2. 1/12
3. 1/6
4. 1/3

NDA Maths Question Paper

Question 11) The sum of the digits at the 10th place of all numbers formed with the help of 2, 4, 5, 7 taken all at a time is

1. 432
2. 108
3. 36
4. 18

Question 12) The number of ways in which the following prize be given to a class of 30 boys first and second in mathematics, first and second in physics, first in chemistry and first in English is

1. 30⁴× 29²
2. 30³× 29³
3. 30²× 29⁴
4. 30×29⁵

Question 13) The product of r consecutive positive integers is divisible by

1. r!
2. (r-1)!
3. (r+1)!
4. rr

Question 14) There are 10 points in a plane and 4 of them are collinear. The number of straight lines joining any two points is

1. 45
2. 40
3. 39
4. 38

Question 15) In 3 fingers, the number of ways four rings can be worn is ways.

1. 4³-1
2. 3⁴
3. 68
4. 64

NDA Maths Question Paper

Question 16) If a, 8, b are in AP, a, 4, b are in GP, and if a, x, b are in HP then x is

1. 2
2. 1
3. 4
4. 16

Question 17) The HM of two positive numbers whose AM and GM are 16,8 respectively is

1. 10
2. 6
3. 5
4. 4

Question 18) The remainder when 38¹⁵ is divided by 13 is

1. 12
2. 1
3. 11
4. 5

Question 19) If Sn denotes the sum of n terms of an AP whose common difference is d, the value of S_n-2S_n-1+S_n-2 is

1. 0
2. 2d
3. 4d
4. d²

Question 20) The equation of the locus of the point whose distance from y-axis is half the distance from origin is

1. x²+3y=0
2. x²-3y²=0
3. 3x²+y²=0
4. 3x²-y²=0

NDA Maths Question Paper

Stop Wasting Time And Start Solving NDA Maths Question Paper – Answer Key: –

Question No.	Answer	Question No.	Answer
Question 1	3	Question 11	2
Question 2	2	Question 12	1
Question 3	4	Question 13	1
Question 4	4	Question 14	2
Question 5	2	Question 15	2
Question 6	3	Question 16	1
Question 7	2	Question 17	4
Question 8	1	Question 18	2
Question 9	4	Question 19	1
Question 10	2	Question 20	4

Find More Questions: –

Math Questions (Set 1) Math Questions (Set 2) Math Questions (Set 3) Math Questions (Set 4)