Question # 1

In a triangle ABC b = √3, c = 1, α = 30° then a = :

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2

1

3

-1

The middle term in the expansion of (1+x)^1/2 is:

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T₂

T₃

does not exist

none of these

If a_n-1 = 2n - 3 then a_n+1 =

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2n - 1

2n + 1

2n + 3

none

In a triangle ABC, (s - a)(s - b) = s(s - c), then the angle Γ =

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

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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

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

The period of tan x is:

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Division of a natural number by another natural number gives:

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always a natural number

always an integer

always a rationalnumber

always an irrational number

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5

-5

-4

4

Sequences are also called:

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Series

Progressions

Means

Convergence

sec (2π + Θ), where Θ is a basic angle will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

cos (α-ß) =

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cos α cos ß + sin α sin ß

cos α cos ß - sin α sin ß

cos α cos ß + sin α cos ß

sin α cos ß - sin α sin ß

The period of 2 + cos 3x is:

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The middle terms of (x+y)²³ are:

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T₁₀,T₁₁

T₁₁,T₁₂

T₁₂,T₁₃

none of these

No. of selection of n different things out of n is:

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1

n

n!

none

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A and B are power sets

A and B are disjoint sets

A and B are super sets

A and B are equal sets

The other name of quadratic equation is:

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linear equation

1st degree equation

2nd degree equation

none

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If A is a square matrix order 3 × 3 the |kA| equals:

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k |A|

k²|A|

k³ |A|

k⁴ |A|

(1 - cos²Θ) (1 + cot²Θ) =

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tan²Θ

0

1

-1

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Mathematics FA Part 1 Online Test MCQs With Answers

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