Question # 1

Unit vector in the positive direction of x-axis is

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If a = 2i +2j, b= 3i -j and c=4i +5j, the 3b -a-2c =

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-i -15j

i-15j

i-3j

None of these

System of linear equation is inconsistent if

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System has no solution

System has one solution

System has two solution

None of above

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π / 3

π / 4

π / 2

π

The symbol of irrational is

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W

N

Q

Q'

Range of 3 sin x is ______

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[ -3, 3]

[-1, 1]

R

None of these

If b²- 4ac is positive then the roots of the equation are

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Real

Imaginary

Positive

Negative

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An empty set

Universal set

A singleton set

None of these

∀a,b, c ε R,a +c = b + c = > a = b

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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A = B if

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A is equivalent to B

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Mathematics General Science Test Medium Mode MCQs With Answers

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