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Online Tests

11th Class Part 1 Mathematics Test Online MCQs With Answers

Question # 1

The additive inverse of a real number is a:

Choose an answer

0

-a

a

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Question # 2

If one root of 2x² + ax + 6 = 0 is 2 then the value of a is:

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7

-7

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Question # 3

If each element in any row or each element in any column of a square matrix is zero, then value of the determinant is:

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0

1

-1

none of these

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Question # 4

In a simultaneous throw of two dice, The probability of getting sum 3 or 11 is:

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none

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Question # 5

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Question # 6

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Question # 7

If 2s = a + b + c, then in any triangle ABC:

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all of these

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Question # 8

No. of ways of solving a quadratic equation:

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1

3

2

4

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Question # 9

In triangle ABC, if α = 90° then:

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none of these

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Question # 10

tan(π + cot^-1x ) =

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Question # 11

To convert any angle in radians into degrees, we multiply the measure by:

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Question # 12

A matrix of order m×1 is called:

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row matrix

column matrix

identity matrix

scalar matrix

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Question # 13

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Question # 14

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Question # 15

If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant:

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I

II

III

IV

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Question # 16

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

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Question # 17

A set can be described by:

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one way

two ways

several ways

threeways

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Question # 18

The period of 2 + cos 3x is:

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Question # 19

i² + 1 =

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-1

0

i

1

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Question # 20

The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line:

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x axis

y axis

y = x

y = -x

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Question # 21

If n is a positive integer, then the binomial co-efficient equidistant form the beginning and the end in the expansion of (x+a)ⁿ are:

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same

not same

additive inverse of each other

none of these

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