Question # 1

Solution set of the equation x² - 3x + 2 = 0 is

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{-1, 2}

{1, -2}

{-1, -2}

{1, 2}

In how many ways two places can be filled by n objects:

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n(n-1)

2!

n(n+1)

None

The quadrant of an angle Θ is determined by its:

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sign

value

ratio

magnitude

No. of necklaces can be made from 7 beads of different colors ?

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360

120

60

70

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

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2n-1

2n+1

2n+3

none

A circle drawn inside a triangle and touching its sides is known as:

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right angled

equilateral

isosceles

obtuse angled

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x2 - 5x + 6 = 0 is:

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If any two rows of a square matrix are interchanged, the determinant of the resulting matrix:

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is zero

is multiplicative inverse of the determinant of the original matrix

is additive inverse of the determinant the original matrix

none of these

Zero is:

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a natural number

a whole number

a positive integer

a negativeinteger

A die is rolled. The probability that the dots on the top are greater than 4 is:

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5, 6

1

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30°

45°

60°

75°

The set of all rational numbers between 2, 3 is:

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an empty set

an infinite set

a finite set

a power set

No. of triangles can be formed by joining the vertices of the polygon having 5 sides ?

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10

15

20

none of these

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none of these

For what value of k, the sum of the roots of the equation x² + kx + 4 = 0 is equal to the product of its roots:

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±1

4

±4

-4

If AB = BA = I, then A and B are:

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equal to each other

multiplicative inverse of each other

additive inverse of each other

both singular

The domain of principal tangent function is:

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In triangle ABC, If Γ = 90° then:

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b = c + a

The period of tan 3x is:

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