1
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
The number of equivalence relations on the set $$\left\{ {1,2,3,4} \right\}$$ is
A
$$15$$
B
$$16$$
C
$$24$$
D
$$4$$
2
GATE CSE 1997
MCQ (Single Correct Answer)
+1
-0.3
The determination of the matrix $$$\left[ {\matrix{ 6 & { - 8} & 1 & 1 \cr 0 & 2 & 4 & 6 \cr 0 & 0 & 4 & 8 \cr 0 & 0 & 0 & { - 1} \cr } } \right]\,\,is$$$
A
11
B
- 48
C
0
D
- 24
3
GATE CSE 1997
MCQ (Single Correct Answer)
+2
-0.6
Let $$A = ({a_{ij}})$$ be and n-rowed square matrix and $${I_{12}}$$ be the matrix obtained by interchanging the first and second rows of the n-rowed Identity matrix. Then$${AI_{12}}$$ is such that its first
A
row is the same as its second row
B
row is the same as the second row of A
C
column is the same as the second column A
D
row is all zero
4
GATE CSE 1997
MCQ (Single Correct Answer)
+2
-0.6
What is the maximum value of the function
$$f\left( x \right) = 2{x^2} - 2x + 6$$ in the interval $$\left[ {0,2} \right]$$?
A
$$6$$
B
$$10$$
C
$$12$$
D
$$5.5$$
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