1
GATE CSE 1998
+1
-0.3

There are five records in a database.

Name Age Occupation Category
Rama 27 CON A
Abdul 22 ENG A
Jennifer
28 DOC B
Maya 32 SER D
Dev 24 MUS C

There is an index file associated with this and it contains the values 1, 3, 2, 5 and 4. Which one of the fields is the index built from?

A
Age
B
Name
C
Occupation
D
Category
2
GATE CSE 1998
+1
-0.3
What is the converse of the following assertion?
I stay only if you go
A
I stay if you go
B
If I stay then you go
C
If you do not go then I do not stay
D
If I do not stay then you go
3
GATE CSE 1998
+1
-0.3
A die is rolled three times. The probability that exactly one odd number turns up among the three outcomes is
A
1/6
B
3/8
C
1/8
D
1/2
4
GATE CSE 1998
+2
-0.6
The binary relation R = {(1, 1)}, (2, 1), (2, 2), (2, 3), (2, 4), (3, 1), (3, 2), (3, 3), (3, 4) } on the set A = { 1, 2, 3, 4} is
A
Reflexive, symmetric and transitive
B
Neither reflexive, nor irreflexive but transitive
C
Irreflexive, symmetric and transitive
D
Irreflexive and antisymmetric
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