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TN 12TH MATHS - Online Test
tn 12th maths
TEST : 5
# Chapter 9: Applications of Integration
# TN 12th Maths
Prepare / Learn
Q1.
The value of
is
A.
3/2
B.
1/2
C.
0
D.
2/3
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
# Chapter 10: Ordinary Differential Equations
# TN 12th Maths
Prepare / Learn
Q2.
The order of the differential equation of all circles with centre at ( h, k ) and radius ‘a’ is
A.
2
B.
3
C.
4
D.
1
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
# Chapter 3: Theory of Equations
# TN 12th Maths
Prepare / Learn
Q3.
If
α
,
β
, and
γ
are the zeros of
x
3
+
px
2
+
qx
+
r
, then
is
A.
-
q
/
r
B.
-
p
/
r
C.
q
/
r
D.
-
q
/
p
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
# Chapter 4: Inverse Trigonometric Functions
# TN 12th Maths
Prepare / Learn
Q4.
If sin
−
1
x
=
2 sin
−
1
α
has a solution, then
A.
|α| ≤ (1/√2)
B.
|α| ≥ (1/√2)
C.
|α| < (1/√2)
D.
|α| > (1/√2)
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
# Chapter 11: Probability Distributions
# TN 12th Maths
Prepare / Learn
Q5.
A pair of dice numbered 1, 2, 3, 4, 5, 6 of a six-sided die and 1, 2, 3, 4 of a four-sided die is rolled and the sum is determined. Let the random variable
X
denote this sum. Then the number of elements in the inverse image of 7 is
A.
1
B.
2
C.
3
D.
4
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
# Chapter 5: Two Dimensional Analytical Geometry II
# TN 12th Maths
Prepare / Learn
Q6.
The length of the diameter of the circle which touches the
x
-axis at the point (1,0) and passes
through the point (2, 3)
A.
6/5
B.
5/3
C.
10/3
D.
3/5
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
#
# TN 12th Maths
Prepare / Learn
Q7.
In the set
ℝ
of real numbers ‘
*
’ is defined as follows. Which one of the following is not a binary operation on
ℝ
?
A.
a
∗
b
=
min
(
a
×
b
)
B.
a
∗
b
=
max
(
a
,
b
)
C.
a
∗
b
=
a
D.
a
∗
b
=
a
b
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
# Chapter 6: Applications of Vector Algebra
# TN 12th Maths
Prepare / Learn
Q8.
If
,
,
are three unit vectors such that
is perpendicular to
, and is parallel to
then
x (
x
) is equal to
A.
B.
C.
D.
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 7: Applications of Differential Calculus
# TN 12th Maths
Prepare / Learn
Q9.
The point on the curve 6
y
= x
3
+ 2 at which y-coordinate changes 8 times as fast as
x-
coordinate is
A.
(4,11)
B.
(4, −11)
C.
(−4,11)
D.
(−4, −11)
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
# Chapter 1: Applications of Matrices and Determinants
# TN 12th Maths
Prepare / Learn
Q10.
if
,
then
9I
2
– A =
A.
A
-1
B.
A
-1
/2
C.
3
A
-1
D.
2
A
-1
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
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