NDA MATHS QUESTION BANK

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  1. The roots of A Bx+C=0 are ‘r’
    and ‘s’ for roots of +px+q=0, to be
    and find p


(a)^


(^)
(b)
(c)^
(d)^
(^) 2AC



  1. Consider equation (x-P)(x-6)+1=0
    having integral coefficients. If equation
    has integral roots, find ‘p’.
    (a) 4 or 8 (b) 5 or 10
    (c) 6 or 12 (d) 3 or 6

  2. Find sum of roots of equation


( √ ) ( √ )


( √ )


(a) 2-√ (b) 2+√ (c) 7- (^4) √
(d) 4



  1. If one root of a +bx+c=0 is square
    of the other, then
    (a) 0
    (b) 0 (c)
    ( ) 0 (d)
    None

  2. If , β are roots of equation -
    q(1+x)-r=0, then find (1+)(1+β)
    (a) 1-r (b) 1+r (c) q-r (d)
    q+r

  3. The quadratic equation whose one


root is 2-√ is
(a) +4x+1=0 (b) 4x-1=0
(c) - 4x-1=0 (d) - 4x+1=0



  1. If equation - ax+b=0 and +bx-
    a=0 have a common roots, then
    (a) a+b= 1 (b) a=b (c)
    a+2b=1 (d) a-b=1

  2. The solution for equation


(a) (1, 2) (b) (2, 3) (c) (2, 4)
(d) (1, 3)


  1. If roots of equation
    ( )-15=0 are equal in
    magnitude but opposite in sign, find k
    (a) 0 (b) 1 (c) e (d) 2

  2. If , β are roots of 5 - x-2=0 then
    find equation whose roots are^ and
    (a) - x+10=0 (b) - x-10=0
    (c) +x+10=0 (d) +x-10=0

  3. If , β are roots of equation -
    2x+4=0, find
    (a) 243 (b) 32 (c) - 32
    (d) - 243

  4. If product of roots of equation -
    3kx+2 - 1=0 is 7, find k.
    (a) 1 (b) 2 (c) 3 (d) 4

  5. Find


√ √ (^) √ (^) √
(a) 10 (b) 8 (c) 6 (d) 4



  1. Solve for ‘x’ 16.^ /
    =^
    (a)^ (b)^ (c) (d) 0

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