1
GATE PI 2015
MCQ (Single Correct Answer)
+2
-0.6
A product is an assemble of $$5$$ different components. The product can be sequentially assembled in two possible ways. If the $$5$$ components are placed in a box and these are drawn at random from the box, then the probability of getting a correct sequence is
A
$${2 \over {5!}}$$
B
$${2 \over {5}}$$
C
$${2 \over {\left( {5 - 2} \right)!}}$$
D
$${2 \over {\left( {5 - 3} \right)!}}$$
2
GATE PI 2015
MCQ (Single Correct Answer)
+2
-0.6
A coin is tossed thrice. Let $$X$$ be the event that head occurs in each of the first two tosses. Let $$Y$$ be the event that a tail occurs on the third toss. Let $$Z$$ be the event that two tails occur in three tosses. Based on the above information, which one of the following statements is TRUE?
A
$$X$$ and $$Y$$ are not independent
B
$$Y$$ and $$Z$$ are dependent
C
$$Y$$ and $$Z$$ are independent
D
$$X$$ and $$Z$$ are independent
3
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
The solution to $$\,\,{x^2}{y^{11}} + x{y^1} - y = 0\,\,$$ is
A
$$y = {C_1}{x^2} + {C_2}{x^{ - 3}}$$
B
$$y = {C_1} + {C_2}{x^{ - 2}}$$
C
$$y = {C_1}x + {{{C_2}} \over x}$$
D
$$y = {C_1}x + {C_2}{x^4}$$
4
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
In numerical integration using Simpson's rule, the approximating function in the interval is a
A
constant
B
straight line
C
cubic B-Spline
D
Parabola
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