Question # 1

The term involving x⁴in the expansion of (3 - 2x)⁷is

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120

1512

1250

15120

If n is any positive integer then 2ⁿ> 2(n + 1) is true for all

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Z is a group under

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Subtraction

Multiplication

Addition

None of these

Range of tan x is ______

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[-1, -]

R

Negative real numbers

R - {x | - 1 < x < 1}

sin(π/2+θ) = _______;

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sinθ

cosθ

-sinθ

-cosθ

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0

1

The set of integers is a subset of

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The set of natural numbers

The set of whole numbers

The set of prime numbers

The set of rational numbers

A quadratic equation in x is an equation that can be witten in the form

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ax²+ b = 0

ax³ +b²+c=0

ax² +bx+c=0

ax³ +bx³+cx=0

The point (1,3) is one solution of

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3x + 5y > 29

3x + 5y < 7

x + 2y < 4

x + 4y > 3

If a₁, r and a_nare the first term, common ratio and the nth term respectively of a G. P. then a_n=

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a₁rⁿ

a₁r^n-1

a₁rⁿ⁺¹

a₁r

The centre of the circle x2+y2 -2fx-2gy+x=0 is

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(-g,-f)

(g,f)

(f,g)

(-f,-g)

If a₁and r are the first term and the common ratio respectively then (n + 1)th term of the G.P. is

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0

a₁r^n-1

a₁rⁿ⁺¹

a₁rⁿ

Name the property used in 4 x (5 x 8) = ( 4 x 5) x 8

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Associative property of addition

Associative property of multiplication

Additive identity

Multiplicative identity

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

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5

-5

none

What is the period of 6 sin x=?

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π

-π

π/2

2π

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a sec(ax + b) + c

- a sec(ax + b) + c

1/3 is ______

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A prime number

An integer

A rational number

An irrational number

w⁷³= ______

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0

1

w

w²

A dice is rolled. The probability that the dots on the top are greater than 4 is

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1/6

1/3

1/2

1

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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

cotθ= sin 2θifθ=

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The zero vector is regarded to be parallel to

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Every vector

Is some cases

Both a,b

None

If p, q, r and in A.P., a is G.M. between p and q and b is G.M. between q and r, then a², q², b²are in

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A.P.

G.P.

H.P.

None of these

The additive inverse of 1 is

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1

-1

0

Does not exist

The matrix A = [aij]1xn is a

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Vector

Rectangular matrix

Column vector

Square matrix

The process of finding the unknown elements in triangle is called the

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solution of the triangle

Mean differnece

Engineering distance

angle of depressin

Range of cosec x is ______

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{-1, 1}

R

Negative real numbers

R - { x | - 1 < x < 1}

For all points (x,y) in first quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

a.a^-1= a^-1.a = 1 is a

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Commutative law of multiplication

Multiplication identity

Associative law of multiplication

Multiplication inverse

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