1
GATE CSE 1993
MCQ (Single Correct Answer)
+1
-0.3
Let $${\rm A}$$ be a finite set of size $$n$$. The number of elements in the power set of $${\rm A} \times {\rm A}$$ is
A
$${2^{{2^n}}}$$
B
$${2^{{n^2}}}$$
C
$${2^n}$$
D
$${n^2}$$
2
GATE CSE 1987
Subjective
+1
-0
(a) How many binary relations are there on a set A with n elements?

(b) How many one - to - one functions are there from a set A with n elements onto itself

3
GATE CSE 1987
True or False
+1
-0
State whether the following statement are TRUE or FALSE:
(a) The union of two equivalence relations is also an equivalence relation.
A
TRUE
B
FALSE
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