Question # 1

The number of real roots in cube roots of 8 is ?

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n x m

m x n

km x n

m x kn

The center of a circle of radius 10 is on the origin which of the following points lies with in the circle

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(10,0)

(8,8)

(8,4)

(0,10)

If x² +y² = 4, Then dy/dx =

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2x +2y

4 -x²

-x/y

y/x

The nth term in G.P 3,-6,12,............ is

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25, 20

20, 10

20, 5

15, 10

Domain of Cosecθ is

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is R but θ= nπ

is R but θ ≠ nπ

is R but θ ≠ 2nπ

is R but θ ≠ nπ/2

Which is a proper rational fraction

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3x - 7/x² +4

2x² - 5/x² + 4

3x⁴/2x² - 15

All are proper rational fraction

Sin-1 (√2/2)=?

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π/2

π/3

3π/4

2π

The point (-5,3) is the center of a circle and P(7,-2) lies on the circle the radius of the circle is

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2

13

7

8

The direction cosines of y-axis are

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1,0,0

0,1,0

0,0,1

1,1,1

The multiplicative inverse of -1 in the set {1-,1} is

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40

30

50

20

The set of all positive even integers is

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Φ

{1,2,3}

{Φ}

{0}

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