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Online Tests

Mathematics FA Part 1 Online Test MCQs With Answers

Question # 1

The next term of the sequence-1, 2, 12, 40, .........is:

Choose an answer

112

212

144

none

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Question # 2

The period of cos 2x is:

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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

Choose an answer

closureproperty

associativeproperty

commutativeproperty

trichotomyproperty

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Question # 5

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

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Question # 6

A set can be described by:

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one way

two ways

several ways

threeways

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Question # 7

The real part of the complex number a + bi is:

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b

-b

a

-a

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Question # 8

sin (Θ - π) =

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Question # 9

In binomial expansion (a+b)ⁿ, n is positive integer the sum of coefficients equals:

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none of these

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Question # 10

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

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Question # 11

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 # 12

A - B is a subset of:

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A

B

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Question # 13

With usual notations for triangle R equals:

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Question # 14

In any triangle ABC, law of tangents is:

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all of these

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Question # 15

If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:

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I

II

III

IV

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Question # 16

Which of the following is correct:

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2 + 7i > 10 + i

1 + i > 1 - i

4 + 3i > 1 + 3i

none of these

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Question # 17

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Question # 18

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

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2n-1

2n+1

2n+3

none

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Question # 19

If α, ß are complex cube roots of unity, then 1 + αⁿ + ßⁿ = .......... where n is a positive integer divisible by 3:

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1

3

2

4

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Question # 20

The circum-radius R of a triangle is given by:

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Question # 21

If sets A and B are equal then:

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