Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Mathematics
Match the following intervals in Column I with the sets in Column II and choose the correct option from the codes given below. Column I Column II A (-3,0) 1 x: x ∈ R, 6 < x ≤ 12 B [6,12] 2 x: x ∈ R,-23 ≤ x < 5 C (6,12] 3 x: x ∈ R,-3 < x < 0 D [-23,5) 4 x: x ∈ R, 6 ≤ x ≤ 12
Q. Match the following intervals in Column I with the sets in Column II and choose the correct option from the codes given below.
Column I
Column II
A
(
−
3
,
0
)
1
{
x
:
x
∈
R
,
6
<
x
≤
12
}
B
[
6
,
12
]
2
{
x
:
x
∈
R
,
−
23
≤
x
<
5
}
C
(
6
,
12
]
3
{
x
:
x
∈
R
,
−
3
<
x
<
0
}
D
[
−
23
,
5
)
4
{
x
:
x
∈
R
,
6
≤
x
≤
12
}
52
165
Sets
Report Error
A
A - (1), B -(2), C -(3), D -(4)
B
A - (3), B -(4), C -(1), D -(2)
C
A - (4), B -(1), C -(2), D -(3)
D
A - (2), B -(3), C -(4), D -(1)
Solution:
The interval
(
−
3
,
0
)
is open at both the ends. So, it can be represent in set-builder form as
{
x
:
x
∈
R
,
−
3
<
x
<
0
}
.
The interval
[
6
,
12
]
is closed at both end. So, it can be represent as
{
x
:
x
∈
R
,
6
≤
x
≤
12
}
.
Similarly, we can represent other intervals.