Question # 1

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π / 4

π / 6

π / 3

0

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2x cos x2

-2xcosxsinx

2x Sin x2

-Sin x2

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16 / 7

6 / 17

7 / 16

None of these

w¹⁵= ______

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0

1

w

w²

5 unbiased coins coins are tossed simultaneously. The probability of getting at least one head is

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1 / 32

31 / 32

1 / 16

None of these

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w^-1= ______

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0

1

w

w²

The process of finding a function whose derivative is given is called a

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Differentiation

Integration

Differential

None

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A.P.

G.P.

H.P.

None of these

If x < y, 2x = A, and 2y = B, then

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A = B

A < B

A < x

B < y

A triangle has ____ elements

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3

4

5

6

If k2x2 +2hxy- 4y2 =0 represents two perpendicular lines then

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k = 2

k = ±2

k = -2

k ≠0

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A

B

A'

None of these

The condition for polynomial equation ax2 + bx + c = 0 to be quadratic is

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a > 0

a < 0

a≠ 0

a≠ 0,b ≠ 0

If the angle of a triangle are in the ratio 2 : 3 : 7, the triangle is

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Obtuse

Acute

Right angle

Isosceles

The angle between the vectors 3i + j - k and 2i - j + k is

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(a-1)-1 =

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a-1

a

-a

None of above

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f(x) = x²

f(x²) = x

f(x) = x

none of these

The zero vector is

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[0, 0, 0]

[1, 1, 1]

[0, 1, 0]

[0, 0, 1]

The mid point of the line segment joining the points (3,-1) and (-3,1) is

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(3,-1)

(0,0)

(2,2)

(4,4)

The equation ax²+ 2hxy + by²+2gx + 2fy + c =0 represents an ellipse if

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cosec x + c

-cosec x + c

-sec x + c

sec x + c

The two parts into which 57 should be divided so that their product is 782 are

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43,14

34,23

33,24

44,13

x = r2, y = 1 are the parametric equation of

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Circle

Hyperbola

Ellipse

Parabola

If a,b,c are three non-coplanar vector then [a +b,b +c,c +a] = _____

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[a.b.c]

2[a,b,c]

[abc]-2

2[abc]2

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0

1

2

1/2

If f(x) = x²then f(-2) is

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-2

2

4

-4

The tangent to the parabola y2 =4ax and perpendicular line from the focus on it meet

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x =0

y =0

x =-9

y = -a

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