Question # 1

Zero is:

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a natural number

a whole number

a positive integer

a negativeinteger

The next term of the sequence 1, 6, 20, 56, ........ is:

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112

144

212

none

Number of terms in the expansion of (a+b)ⁿ is:

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n

n+1

n-1

none of these

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A

B

r₁=

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The number of ways in which fiver persons can sit at a round table is:

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4!

5!

none of these

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z is purely real

z is any complex number

z is purely imaginary

real part of z = imaginary part of z

Sum of all three cube roots of unity is:

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1

-1

0

3

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right angled

equilateral

isosceles

obtuse angled

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closureproperty

associativeproperty

commutativeproperty

trichotomyproperty

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

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1

n

n!

none

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

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reciprocal equation

exponentialequation

radicalequation

none of these

Which one is a quadrant angle ?

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60°

180°

120°

30°

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x = 0

y = 0

x = 0 and y = 0

x = 0 or y = 0

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

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

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acute

obtuse

right

oblique

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

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p is false and q is true

both p and q are false

p is true and q is false

both p and q are true

The period of cot 2x is:

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