1
GATE IN 2017
MCQ (Single Correct Answer)
+2
-0.6
The probability that a communication system will have high fidelity is $$0.81.$$ The probability that the system will have both high fidelity and high selectivity is $$0.18$$. The probability that a given system with high fidelity will have high selectivity is
A
$$0.181$$
B
$$0.191$$
C
$$0.222$$
D
$$0.826$$
2
GATE IN 2017
MCQ (Single Correct Answer)
+1
-0.3
Let $$z=x+iy$$ where $$i = \sqrt { - 1} .$$ Then $$\overline {\cos \,z} = $$
A
$$cosz$$
B
$$\cos \,\overline z $$
C
$$sinz$$
D
$$\sin \,\overline z $$
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