Question # 1

The seventh term of (x3+1/x)8is

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71

-22

27

28

If a > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

(n + 2) (n + 1)n in factorial form is

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The sum of all positive integral multiple of 5 less than 100 is

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950

760

1230

875

In an A.P,a +(n-a)d is

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1st term

General term

Last term

None of these

Every identity matrix is

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Row-vector

Scalar

Column-vector

All

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cos x + c

-sin x + c

-cos x + c

sin x + c

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quadrant I

quadrant II

quadrant III

quadrant IV

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x = 3

x = 1/5

x = 0

None of these

If the focus lies on the y-axis with coordinates f(0,a) and directrix of the parabola is y = -a, the equation of parabola is:

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y² = -4 ax

x² = 4ay

x² = -4ay

y² = 4ax

If a,β are the roots of the equation x2 + kx +12 = 0 such that a - β = 1, the value of k is

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0

±1

±5

±7

For all points (x,y) in second quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

If the vertex of the parabola is the origin and directrix is x+5 = 0 . then its latus rectum is:

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10

5

0

20

If S_rdenotes the sum of the first r terms of a G.P., then S_n, S_2n- S_n, S_3n- S_2nare in

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A.P.

G.P.

H.P.

None of these

Find the sum of the infinite geometric series 2 + 1 + 0.5 + ....

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3.5

3

4

None of these

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xy

y

0

x

If a, b, c, d, e, f are in A.P.,then e-c is equal to

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2(c - a)

2(f - d)

2(d - c)

d - c

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The ortho center of triangle whose vertices are (0,0)(3,0)(0,4) is

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(0,0)

(1,1)

(2,2)

(3,3)

Both the roots of the equation (x - b) (x - c) + (x - c)(x - a) + (x - a)(x - b) = 0 are always

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Positive

Negative

Real

None of these

The angles with some initial and terminal sides are called

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Quadrantal angles

Coterminal angles

Allied angles

None

If 5,7 and 9 are A.Ms between a and b, then a and b is equal to

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2 and 12

1 and 10

3 and 11

-7 and 2

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0

abc

1/abc

None of these

Digit in the unit place of the number 183! + 3¹⁸³

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7

6

3

0

The proposition S(k+1) is true when ______ is true∀K∈N

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S(n)

S(k)

S(1)

S(k-1)

r + 3 >5 then which is true

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r + 2 > 4

r + 2 < 4

r + 2 = 4

None

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images

pre-images

constants

none of these

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