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Online Tests

11th Class ICS Mathematics Test Online MCQs With Answers

Question # 1

The period of tan x is:

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Question # 2

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

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Question # 3

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Question # 4

Number of ways of arranging 5 keys in a circular ring is:

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12

24

6

5

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Question # 5

2 sin 12° sin 46° =

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cos 34° + cos 58°

sin 34° - sin 58°

sin 34° + sin 58°

cos 34° - cos 58°

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Question # 6

A function whose domain is the set of natural numbers is called the:

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series

sequence

means

convergent

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Question # 7

If A = {1, 2, 7, 9}, B = {1, 4, 7, 11}:

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disjoints sets

equal sets

overlapping sets

complementary sets

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Question # 8

A clock strikes once when its hour hand is at one, twice when it is at two, and so on. How many times does the clock strike in ten hours ?

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55

78

66

46

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Question # 9

If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is:

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0

1

-1

±1

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Question # 10

cos(tan^-1∞) =

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0

∞

1

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Question # 11

In a triangle ABC if a² - b² + c² = ac then < ß =

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Question # 12

The domain of principal tangent function is:

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Question # 13

The ordered pairs (2, 5) and (5, 2) are:

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not equal

equal

disjoint

empty

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Question # 14

Domain of the function y = tan^-1 x is:

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Question # 15

If x is positive or zero, then the principal value of any inverse function of x, if it exists lies in the interval:

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Question # 16

In any triangle ABC, law of cosines is:

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Question # 17

The lengths of the sides of a triangle are proportional to the sines of the opposite angles to the sides. This is known as:

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The law of sines

The law of cosines

The law of tangents

The fundamental law

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Question # 18

If sets A and B are equal then:

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Question # 19

The period of cos 2x is:

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Question # 20

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Question # 21

sin^-1 (-x) =

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-sin^-1 x

sin^-1x

π + cos^-1x

-cos^-1x

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