Question # 1

For which of the following ordered pairs (s,t) is s + t> and s- t < -3?

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(3,2)

(2,3)

(1,8)

(0,3)

F(x) = xx decreases in the interval

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(0,e)

(0.1)

(-∞.0)

None

Sec^-1 x=

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Cos^-1 1/x

Cosec^-1 1/x

Cos-1 (-x)

Tan^-1 x

The multiplicative inverse of -1 in the set {1-,1} is

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40

30

50

20

If A = (3,8) and B = (5,6) then the distance between A and B is

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2√2

2

1

6

An angle 0 is such that tan θ = 1 and cos θ is negative then

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Sin θ is positive

Cos θ = √2/4

cosθ = -1

sec θ is negative

The number of ways in which we can courier 5 packets to 10 cities is

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2 x 5^o

5¹⁰

10⁵

2¹⁰

The conic is a parabola if

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e <1

e > 1

e = 1

e = 0

If P(E) is the probability that can event will occur then P(E)=

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1

0.5

2

0

The difference of two consecutive terms of an A.P is called

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Zero

One

Four

Infinite

Domain of Cosecθ is

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is R but θ= nπ

is R but θ ≠ nπ

is R but θ ≠ 2nπ

is R but θ ≠ nπ/2

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NAT I Engineering Mathematics MCQs With Answers

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