Mathematics Test

Result

Mathematics Test - 5

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

A
3

B
4

C
2

D
5
Question 2
1 / -0

A
Sin⁻¹ x

B

C

D
e^Sin−1 x
Question 3
1 / -0

∫x sec²x dx=

A
tan x²

B
tan²x

C
x tanx-log sinx

D
x tanx+log cosx
Question 4
1 / -0

A
51/65

B
52/65

C
56/65

D
None of these
Question 5
1 / -0

A
1

B
- 1

C
- 1/2

D
1/2
Question 6
1 / -0

If A and B are 2 x 2 matrices then (A+B)²=

A
A²+2AB+B²

B
A²+AB+BA+B²

C
A²+2BA+B²

D
none of these
Question 7
1 / -0

The ratio of the altitude of the cone of greatest volume which can be inscribed in a given sphere to the diameter of the sphere is

A
2/3

B
3/4

C
1/3

D
1/4
Question 8
1 / -0

The mean of 3, y, 4, x, 10, is 5, then y =

A
8 - x

B
5 - x

C
Smaller than x but not related to n

D
None of the above
Question 9
1 / -0

A

B

C

D
None of these
Question 10
1 / -0

In a certain distribution, the following results were obtained Median = 48, Coefficient of skewness = -0.3.

What is the value of standard deviation?

A
20

B
25

C
28

D
30