Question # 1

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The square matrix A is skew-symmetric when At =

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-B

-C

-A

-D

7²ⁿ+ 3^n-1. 2^3n-3is divisible by

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24

25

9

13

The set of first elements of the ordered pairs in a relation is called its

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domain

range

relation

function

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all

The point which divides the line segment joining the points (a, b) and (c, d) in the ratio 2 : 3 internally is

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none of these

An open sentences formed by using the sign of equality '=' is called ______

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An identity

An equation

A polynomial

None of these

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If the matrices A and B have the order 1 x 10 and 10 x 1 then order of AB is

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1 x 1

1 x 10

10 x 10

10 x 1

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cot x + c

tan x + c

-cot x + c

-tan x + c

There are ______ types of rational fraction

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Three

Four

Five

Two

cos(a-β) = ______;

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sin a cosβ + cos a sinβ

sin a cos β - cos a sinβ

cos a cos β + sin a sinβ

cos a cosβ - sin a sinβ

A and B throw a dice. The probability that A's throw is not greater then B's is

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5 / 12

7 / 12

1 / 6

1 / 2

If A is an event then which of the following is true

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P(A)<0

0≥P(A)≤1

P(A)>0

None

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2C

C³

1

0

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0

-1

1

1/2

If the roots of 3x2+kx + 12 = 0 are equal then k = ______

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0

1

-1

undefined

The number of ways of arranging the letter AAAAA BBB CCC D EE F in a row when no two C's are together is

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None of these

The physical quantity which possesses both magnitude and direction is called a

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scalar

vector

constant

none of these

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0

1

-1

If distance of (a,b) from x-axis is 2 then

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a = 2

b = 2

a = b

b = 4

The coefficient of xn in the expansion of (1-x)-1 is

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(-1)n2n

1

(-1)n(n+1)

(n+1)

3/2 is

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An irrational number

Whole number

A positive integer

A rational number

If sin x + sin²x = 1, then the value of Cos¹²x + 3cos¹⁰x + 3cos⁸x + cos⁶x + 2 cos⁴x + cos²x-2 is equal to

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0

1

2

sin²x

How many arrangements of the letters of the word ADDING can be made

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1⁰= ______

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1.5 rad

0.5 rad

0.175 rad

None of these

A,G,H are in

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A.P

G.P

H.P

None of these

Name the property used in 4.1 + (-4.1) = 0

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Additive inverse

Multiplication inverse

Additive identity

Multiplication identity

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0

1

-1

None of these

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