Question # 1

The probability to get an odd number in a dice thrown once is

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1/2

1/6

1/3

2

If a,b,c are three non-coplanar vector then [a +b,b +c,c +a] = _____

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[a.b.c]

2[a,b,c]

[abc]-2

2[abc]2

Period of sin 3x is ______

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A circle which touches one side of a triangle externally and the other two sides produced is called ______

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In-circle

Circum cirle

Escribed circle

None of these

The maximum value of the quadratic function f(x) = -2x2+20x,is

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4

3

50

7

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36

360

24

6

x = secθ,y = tanθ are the parametric equations of

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Circle

Hyperbola

Ellipse

parabola

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0

-2

1

4

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

√-1 b=

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b

2

2b

None of these

The transport of a null matrix is

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Row matrix

Column matrix

Square matrix

Null matrix

A point of a solution region where two of its boundary lines intersect is called

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Boundary

Inequality

Half plane

Vertex

The set of the first elements of the ordered pairs forming a relation is called its

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-x

does not exist

1/x

0

Second derivative of y = x⁹ + 10x² + 2x -1 at x = 0 is

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10

20

12

1

Partial fraction of 1/x³-1 will be of the form

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Conjugate pair

ordered pair

reciprocal pair

quadratic function

The equation of the line with gradient 1 passing through the point (h,k) is

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Y = x+ k-h

Y = k/hx +1

Y = x + h -l

Ky = hx =1

In the triangle Δ ABC, where C is the right angle Tan A + Tan B=

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A +B

C² /AB

A²/BC

B²/AC

d/dx (√x) =

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2√x

1/√x

1/2√x

None of these

If Cosα = 3/5, Cosβ = 5/13, then

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Cos(α +β) =33/65

Sin(α +β) =56/65

sin²(α +β/2) =1/65

Cos(α +β) =63/65

Two natural numbers whose sum is 25 and difference is 5, are

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25, 20

20, 10

20, 5

15, 10

The number of ways in which 5 distinct toys can be distributed among 3 children is

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3⁵

5³

C⁵₃

P⁵₃

The line joining (1,3) to (a,b) has unit gradient then

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a-b =-2

a+b = 0

A-b =5

2a + 3b =1

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