KCET SERIES Mathematics
Binary Operations
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
2
2020 2
2006 2
2005 Chapter Questions 6 MCQs
01
PYQ 2005
easy
mathematics ID: kcet-200
In the group of positive rational numbers w.r.t. the binary operation defined by the solution of the equation in is
1
2
3
4
02
PYQ 2005
easy
mathematics ID: kcet-200
In the group under multiplication modulo , the inverse of is
1
1
2
3
3
7
4
9
03
PYQ 2006
medium
mathematics ID: kcet-200
In the group under multiplication modulo , the solution of is =
1
11
2
7
3
1
4
5
04
PYQ 2006
medium
mathematics ID: kcet-200
On the set of all rational numbers the operation which is both associative and commutative is given by , is:
1
2a + 3b
2
ab + 1
3
4
a + b + ab
05
PYQ 2020
easy
mathematics ID: kcet-202
If A = {a, b, c}, then the number of binary operations on A is
1
3
2
36
3
33
4
39
06
PYQ 2020
medium
mathematics ID: kcet-202
If , then the number of binary operations on is
1
3
2
3
4