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ISRO EXAM 2017 : Engineering Mathematics Quiz- 4
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Question 1
= Question 2
A program consists of two modules executed sequentially. Let f1(t) and f2(t) respectively denote the probability density functions of time taken to execute the two modules. The probability density function of the overall time taken to execute the program is given by
Question 3
A square matrix A is called orthogonal if A’A:
Question 4
What is the median of the data if its mode is 15 and the mean is 30?
Question 5
Three coins are tossed simultaneously. The probability that they will fall two heads and one tail is
Question 6
The Algebraic multiplicity of the matrix A =
is
is Question 7
The value of k for which the lines 2x + y - 1 = 0,4x + 3y - 3 = 0 and 3x + ky - 2 = 0, are concurrent is
Question 8
The divergence of magnetic flux density is
Question 9
A unit vector perpendicular to the vector 
and
and Question 10
Laplace transform of sin32t is
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