Question # 1

The in-radius r of a triangle is given by:

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If A and B are two matrices, then:

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A B = O

AB = BA

AB = I

AB may not be defined

If a_n-3 = 2n - 5 then a_n =

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2n-1

2n+1

2n+3

none

Equations having a common solution are called:

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linear

quadratic

homogeneous

simultenaeous

Fifth term of the sequence 2, 6, 11, 17.

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24

41

32

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree:

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m . n, plus a quotient

m - n, plus a remainder

m ÷ n, plus a factor

m + n, plus a remainder

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The ration of the sum and product of roots of 7x² - 12x + 18 = 0 is:

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7:12

2:3

3:2

7:18

Which one is not a quadrant angle ?

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0°

90°

280°

270°

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10π

If a matrix A is symmetric as well as skew symmetric, then:

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A is null matrix

A is unit matrix

A is triangular matrix

A is diagonal matrix

The conjunction of two statements p and q is denoted by:

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csc (2π - Θ), where Θ is a basic angle, will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

Numbers are formed by using all the digits 1, 2, 3, 4, 5, 6 on digit being repeated, then the numbers which are divisible by 5 are:

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110

120

122

124

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0

-1

>1

none

If A = [aij] and B = [bij] are two matrices of same order r × s, then order of A - B is:

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r - s

r × s

r + s

none of these

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40

-40

26

-26

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quad I

quad. II

quad. III

quad. IV

If n(S) = 3 then n {P(S)} =

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2

8

16

4

A dice is thrown. The probability to get an even number is:

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1

none of these

Graphs of trigonometric function within their domains are:

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line segments

sharp corners

broken lines

smooth curves

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11th Class ICS Mathematics Test Online MCQs With Answers

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