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Chapter 1: Relation and Function
- Online Test
Chapter 1: Relation and Function
TEST : 1
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q1.
If
n
(
A
×
B
) = 6 and
A
= {1, 3} then
n
(
B
) is
A.
1
B.
2
C.
3
D.
6
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q2.
A
= {
a
,
b
,
p
},
B
= {2, 3},
C
= {
p
,
q
,
r
,
s
} then
n
[(
A
∪
C
)×
B
] is
A.
8
B.
20
C.
12
D.
16
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q3.
If
A
= {1, 2},
B
= {1, 2, 3, 4},
C
= {5, 6} and
D
=
{5, 6, 7, 8} then state which of the following statement is true.
A.
(A×C ) ⊂ (B × D)
B.
(B × D) ⊂ (A×C )
C.
(A× B) ⊂ (A× D)
D.
(D × A) ⊂ (B × A)
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q4.
If there are 1024 relations from a set
A
= {1, 2, 3, 4, 5} to a set
B
, then the number of elements in
B
is
A.
3
B.
2
C.
4
D.
8
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q5.
The range of the relation
R
= {(
x
,
x
^{2}
) |
x
is a prime number less than 13} is
A.
{2,3,5,7}
B.
{2,3,5,7,11}
C.
{4,9,25,49,121}
D.
{1,4,9,25,49,121}
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q6.
If the ordered pairs (
a
+ 2, 4) and (5, 2
a
+
b
) are equal then (
a
,
b
) is
A.
(2, –2)
B.
(5,1)
C.
(2,3)
D.
(3, –2)
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q7.
Let
n
(
A
) =
m
and
n
(
B
) =
n
then the total number of non-empty relations that can be defined from
A
to
B
is
A.
M
^{n}
B.
N
^{m}
C.
2
^{mn}
– 1
D.
2
^{mn}
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q8.
If {(
a
, 8),(6,
b
)} represents an identity function, then the value of
a
and
b
are respectively
A.
(8,6)
B.
(8,8)
C.
(6,8)
D.
(6,6)
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q9.
Let
A
= {1, 2, 3, 4} and
B
= {4, 8, 9,10}.
A
function
f
:
A
→
B
given by
f
= {(1, 4),(2, 8),(3, 9),(4,10)} is a
A.
Many-one function
B.
Identity function
C.
One-to-one function
D.
Into function
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 1: Relation and Function
# TN 10th Maths
Prepare / Learn
Q10.
If
f
(
x
) = 2
x
^{2}
and
g
(
x
) = 1/3
x
then
f
o
g
is
A.
B.
C.
D.
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
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