Question # 1

The vertices of the ellipse x² + 4y² = 16 are

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(±,4,0)

(0,±,4)

(± 2,0)

(0,± 2)

The total cost of 2 apples and 3 oranges is $1.70,which of the following is true

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The cost of one apple

The cost of one orange

Both have equal cost per item

Cost of each single item can not be determined

If x lies in {0, 2π} and Cosec x = 2 then x =

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π/ 6 and 5π/6

π +2nπ

nπ

2π/3 and π/3

P(x) = 2x⁴ -3x³ +2x-1 is polynomial of degree

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1

2

3

4

If ab > 0 and a < 0, which of the following is negative?

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b

-b

-a

(a - b)²

Ab > 0 and a > 0 then

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a > b

a < b

a = b

None

The magnitude of a vector can never be

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Zero

Negative

Positive

Absolute

The mid point of the line joining (=1,-3) to(3,-5) is

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(1, 1)

(1,-1)

(2, -8)

(1, -4)

If any two rows (or any two columns) of a square matrix are inter changed, the determinant of the resultant matrix is

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True

False

Fallacious

Some times true

The sum of the interior angles for a 16 sided polygon is

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0

ω

1

1 / ω

The nth term in G.P 3,-6,12,............ is

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25, 20

20, 10

20, 5

15, 10

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NAT I General Science Mathematics MCQs With Answers

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