1
GATE CSE 2013
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following functions is continuous at $$x = 3$$?
A
$$f\left( x \right) = \left\{ {\matrix{ {2,} & {if} & {x = 3} \cr {x - 1} & {if} & {x > 3} \cr {{{x + 3} \over 3},} & {if} & {x < 3} \cr } } \right.$$
B
$$f\left( x \right) = \left\{ {\matrix{ {4,} & {if} & {x = 3} \cr {8 - x} & {if} & {x \ne 3} \cr } } \right.$$
C
$$f\left( x \right) = \left\{ {\matrix{ {x + 3,} & {if} & {x \le 3} \cr {x - 4} & {if} & {x > 3} \cr } } \right.$$
D
$$f\left( x \right) = \matrix{ {{1 \over {{x^3} - 27}},} & {if} & {x \ne 3} \cr } $$
2
GATE CSE 2013
MCQ (Single Correct Answer)
+1
-0.3
Function $$f$$ is known at the following points: GATE CSE 2013 Discrete Mathematics - Calculus Question 32 English

The value of $$\int\limits_0^3 {f\left( x \right)dx} $$ computed using the trapezoidal rule is

A
$$8.983$$
B
$$9.003$$
C
$$9.017$$
D
$$9.045$$
3
GATE CSE 2013
MCQ (Single Correct Answer)
+1
-0.3
Consider an undirected random$$^ \circ $$ graph of eight vertices. The probability that there is an edge between a pair of vertices is 1/2. What is the expected number of unordered cycles of length three?
A
$$1/8$$
B
$$1$$
C
$$7$$
D
$$8$$
4
GATE CSE 2013
MCQ (Single Correct Answer)
+1
-0.3
Which of the following statements is/are TRUE for undirected graphs?
P: Number of odd degree vertices is even.
Q: Sum of degrees of all vertices is even.
A
P only
B
Q only
C
Both P and Q
D
Neither P and Q
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