Question # 1

Solution set of the simultaneous equations : x + y = 1, x - y = 1 is:

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{(0,0)}

{(1,0)}

{(0,1)}

{(1,1)}

In triangle ABC, if α = 90° then:

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none of these

The ordered pairs (2, 5) and (5, 2) are:

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not equal

equal

disjoint

empty

A sequence of numbers whose reciprocal form an arithmetic sequence, is known as:

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arithmetic sequence

geometricsequence

harmonicsequence

none of these

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A.P

G.P

H.P

none

If a set is described in words, the method is called:

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tabular form

descriptiveform

set builder notation

non-tabular method

If a statement P(n) is true for n = 1 and truth of P(n) for n = k implies the truth of P(n) for n = k + 1, then P(n) is true for all:

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integers n

real numbers n

positive real numbers n

positive integers n

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The graph of x = sin y is obtained by reflecting the graph of y = sin x about the line:

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x axis

y axis

y = x

y = -x

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10π

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

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none of these

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closure property w.r.t multiplication

commutativeproperty w.r.t multiplication

associativeproperty w.r.t multiplication

trichotomy property

A circle which touches one side of a triangle externally and the other two produces sides internally is known as:

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diagonal matrix

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4

16

8

64

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r₁

r₂

r₃

r

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x = 0, y = 0

cos (2sin^-1 x) =

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1- 2x²

1 + 2x²

2x²- 1

x²- 1

If A is non singular matrix then A^t is:

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singular

nonsingular

symmetric

none

If A is a square matrix, then:

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|A^t| = A

|A^t| = -A

|A^t| = |A|

A^t= A

{2, 4, 6, 8, ...........} represents the set of:

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positive odd numbers

natural numbers

prime numbers

positive even numbers

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