Question # 1

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3

6

0

None of these

A combination lock on a suitcase has 3 wheels each labeled with nine digits from 1 to 9. If an opening combination is a particular sequence of three digits with no repeats, the probability of a person guessing the right combination is

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1 / 500

1 / 504

1 / 252

1 / 250

If a, b, c are the measures of the sides of a triangle then

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Associative law of multiplication

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ab - ba

a(bc) = (ab) c

a(b + c) = ab +ac

(a +b)c = ac + bc

The magnitude of a vector can never be

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Zero

Negative

Positive

None of these

A rule that assigns to each elements x in X a unique element y in Y is called a ____________

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domain

range

function

none of these

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1

1/2

0

None

Tan 3x tan 2x-tan x is equal to

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Tan x tan 2x tan 3x

-tan x tan 2x tan 3x

Tan x tan 2x - tan - tan x tan 3x - tan 2x tan 3x

None of these

The set of rational numbers is subset of

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The set of natural numbers

The set of real numbers

The set of integers

The set of whole numbers

Fundamental law is

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Mathematics General Science Test Medium Mode MCQs With Answers

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