Question # 1

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The set {-1, 1} is

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Group under the multiplication

Group under addition

Does not form a group

Contains no identity element

f(x)g(x)- ∫g(x) f′(x) dx is equal to

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∫f(x)g′(x)dx

∫f′(x)g(x)dx

∫f′(x)g(x)′dx

∫f(x)g(x)dx

The points A(3,1),B(-2,-3),C(2,2) are vertices of an (an)

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Right triangle

Equilateral triangle

Isosceles triangle

Scalene triangle

If Projvu = Projuv, then

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Uand vare parallel

|u|=|v|

Uandvre perpendicular

One ofuorv

Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is

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375

500

625

150

The positive value of k for which the equation x2 + kx + 64 = 0 has one of the roots 0

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4

64

8

All values of k

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2^x

2^xIn x

2^xIn 2

tan 294° =______;

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tan 24°

-tan 24°

cot 24°

-cot 24°

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3/4

-3/4

4/3

-4/3

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

The standard form of the quadratic function f(x) = -x² +4x+2, is

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(x-2)²+6

-(x-2)² + 6

(x-3)²+5

(x+4)²-7

The harmonic mean between a and b is

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Linear equation

Quadratic equation

Cubic equation

None of these

If 3x⁴+ 4x³+ x - 5 is divided by x + 1, then the reminder is

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0

7

-7

5

If a and b are real numbers then a+b is also real number this law is called

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associative law of addition

closure law of addition

Distributive law of addition

Commutative law of addition

Write down the power set of {9, 11}

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15/23

7/15

7/8

15/7

If the terminal rays of an angle falls on any axis then the angle is called

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Allied angle

Acute angle

Standard position

Quadrantal angle

The domain of y =√(x^2-9) is

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R

(0 , +∞)

(-∞ , -3 )∪ (3 , +∞)

(0 ,∞)

The value of n, when ⁿP₂= 20 is

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3

4

6

5

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(1, 1) is the in the solution of the inequality

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3x + 4y > 3

2x + 3y < 2

4x = 3y > 5

2c - 3y > 2

(1, 2) is in the solution of the inequality

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2x + y > 8

2x + y < 6

2x - y > 1

2x + 3y < 2

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Given two numbers a and b. Let A denote the single A.M. between these and S denote the sum of n A.M.'s between them. Then S/A depends upon

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n, a, b

n, a

n, b

n

The radius of the circle (x - 1)²+ (y + 3)²= 61 is

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8

4

64

None of these

Trival solution of homogeneous linear equation is

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(0, 0, 0)

(1, 2, 3)

(1, 3, 5)

a.b and c

Inverse of the function y-10x is

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y=logx

y=lnx

x=10y

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