Question # 1

The range of y = sin x is ______

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[1, -1]

[-1, 1]

[0, -1]

[-∞+∞]

If two balls are drawn from a bag containing 3 white, 4 black and 5 red balls. Then the probability that the drawn balls are of different colours is

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1 / 66

3 / 66

19 / 66

47 / 66

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The cube roots of 8 are

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If z₁ = (a,b), z₂=(c,d), then z₁ z₂ = -------------------

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(ac,bd)

(ac+bd, ad-bc)

(ac-bd , ad+bc)

(ac-bd , ad-bc)

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The curve f(x,y) = 0 has a central symmetry if

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f(-x,-y)=f(x,y)

f(x,-y)=f(x,y)

f(-x,y)=f(x,y)

f(-x,-y)≠f(x,y)

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A non-homogeneous linear system AX = B has no solution if

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|A| = 0

|A|≠ 0

Rank (a) = no of variables

Rank > no of variables

The point ________ is in the solution of the inequality 4x - 3y < 2

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(0,1)

(2,1)

(2,2)

(3,3)

The largest possible domain of the function:

y=√(x ) is:

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(0 ,∞)

12

(3 , 12)

( 3 ,∞)

A rectangular hyperbola whose centre is C is cut by any circle of radius r in four points P, Q, R and S. Then CP²+ CQ²+ CR²+ CS²=

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r²

2 r²

3 r²

4 r²

QUQ, =

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N

R

W

Z

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π

π/6

-π/2

2π

f(x) = ax + b will be an identity function if

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a = 1 , b = 1

a = 1 , b = 0

6! = ______

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360

720

6.5.4

None of these

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0

1

-1

none of these

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Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

w⁷³= ______

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0

1

w

w²

Φ set is the _______ of all sets

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Subset

Union

Universal

Intersection

The real numbers which satisfy an inequality form its

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solution

coefficient

domain

range

Which of the following is a scalar.

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force

frequency

weight

acceleration

A bag contains 5 white, 7 red and 5 black balls. If four balls are drawn one by one with replacement, the probability that none is white is

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(11/16)²

(5/16)²

(11/16)⁴

(5/16)⁴

(a+bi) - (c+di)=

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(a+b) = (c+d)

(a+c) + i(b+d)

(a - c) + (c- d)i

(a - c)+ (b - d)i

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Trival solution of homogeneous linear equation is

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(0, 0, 0)

(1, 2, 3)

(1, 3, 5)

a.b and c

Tan 360° = _______

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-1

0

1

Undefined

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