NDA Mock Test - 5 - Defence MCQ
30 Questions MCQ Test - NDA Mock Test - 5
If A = {4n + 2|n is a natural number} and B = {3n|n is a natural number}, then what is (A ∩ B) equal to
If A, B and C are non-empty sets such that 
then what is (A x B) ∩ (C x B) equal to
then what is (A x B) ∩ (C x B) equal to| 1 Crore+ students have signed up on EduRev. Have you? Download the App |
If A = {1, 2, 5, 6} and B = {1, 2, 3}, then what is (A x B) ∩ (B x A) equal to?
Let M be the set of men and R is a relation 'is son of defined on M. Then, R is
?
equal to
….. is In an AP, the mth term 1/n and nth term is 1/m. What is its (mn)th term
the first negative termWhich of the following are the two roots of the equation (x2 + 2)2 + 8x2 = 6x (x2 + 2)
For the two equations x2 + mx + 1 = 0 and x2 + x + m = 0, what is/are the value/values of m for which these equations have atleast one common root
If α, β are the roots of ax2 + bx + b = 0, then what is 
equal to
What is the number of words that can be formed from the letters of the word 'UNIVERSAL', the vowels remaining always together
What is the number of signals that can be sent by 6 flags of different colours taking one or more at a time
What is the maximum number of straight lines that can be drawn with any four points in a plane such that each line contains at least two of these points
What is the sum of all the coefficients in the expansion of (1 + x)n
What is the sum of the coefficients of all the terms in the expansion of (45x – 49)4
What is the coefficient of x4 in the expansion of (1 + 2x + 3x2 + 4x3 + …..)1/2
equal to
If (logxx) (log32x) (log2xy) = logxx2, then what is the value of y?
Let 
where i, j = 1, 2. If its inverse matrix is [bij], then what is b22 equal to
If X and Y are the matrices of order 2 x 2 each and 2X – 3Y
and 3X + 2Y 
hen what is Y equal to?
If a matrix, A is symmetric as well as anti-symmetric, then which one of the following is correct
are independent of
then which one of the following is correctIf y = sec2θ + cos2θ, where 0 < θ < π/2, then which one of the following is correct
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