Question # 1

3^2x - 3^x - 6 = 0 is:

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reciprocal equation

exponentialequation

radicalequation

none of these

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

In triangle the length of the sides are 7, 4√3 and √13. Then the smallest angle is:

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15°

30°

60°

45°

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

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A triangle which is not right angle triangle called ________ triangle:

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acute

obtuse

right

oblique

A numbers exceeds its square root by 6, the number is:

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6

3

9

none of these

In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center:

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s

k

r

Θ

If 2s = a + b + c, then in any triangle ABC:

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all of these

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0

i

-i

1

If n is a positive integer, then the binomial co-efficient equidistant form the beginning and the end in the expansion of (x+a)ⁿ are:

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same

not same

additive inverse of each other

none of these

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A

B

The angles 90°±Θ, 180°±Θ, 270°±Θ, 360°±Θ, are the:

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composite angles

half angles

quadrantal angles

allied angles

A function f(x) is said to be the periodic function if, for all x in the domain of f, there exists a smallest positive number p such tat f (x + p) = ________:

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f (p)

x + p

0

f(x)

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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If the sum of the roots of the equation kx² - 2x + 2k = 0 is equal to their product, then the value of k is:

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1

2

3

4

For what value of k, the roots of the equation x² + √k x + 2 = 0 are equal:

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1

8

2

4

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No. of ways of solving a quadratic equation:

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1

3

2

4

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The reciprocal of the terms of A.P. form:

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A.P

G.P

H.P

none of these

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11th Class Part 1 Mathematics Test Online MCQs With Answers

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