In a triangle ABC, is equal to:

1.  1/a

2.  1/b

3.  (c+a)/b

4.  1

View Answer  
4
Correct Answer :

1/b


Explanation :
No Explanation available for this question

is equal to

1.  e/2

2.  e/3

3.  e/4

4.  e/5

View Answer  
4
Correct Answer :

e/2


Explanation :
No Explanation available for this question

The solution set contained in R of the inequation 3x+31-x-4<0,is

1.  (1,3)

2.  (0,1)

3.  (1,2)

4.  (0,2)

View Answer  
4
Correct Answer :

(0,1)


Explanation :
No Explanation available for this question

In a triangle ABC, , then B is equal to:

1.  π/2

2.  π/4

3.  2π/3

4.  π/3

View Answer  
4
Correct Answer :

π/3


Explanation :
No Explanation available for this question

In a triangle ABC, a2sin2C + c2sin2A is equal to:

1.  Δ

2.  2Δ

3.  3Δ

4.  4Δ

View Answer  
4
Correct Answer :

4&#916;


Explanation :
No Explanation available for this question

The minimum value of 2x2+x-1 is

1.  -1/4

2.  3/2

3.  -9/8

4.  9/8

View Answer  
4
Correct Answer :

-9/8


Explanation :
No Explanation available for this question

The shadow of a tower standing on a level ground is found to be 60 metres longer when the sun's altitude is 300 than when it is 450, The height of the tower is:

1.  30 m

2.  90 m

3.  60√3 m

4.  30(√3 + 1) m

View Answer  
4
Correct Answer :

30(&#8730;3 + 1) m


Explanation :
No Explanation available for this question

If α,β,γ are the roots of the equation x3+4x+1=0,then (α+β)-1+( β+γ) -1+(γ+ α

1.  2

2.  3

3.  5

4.  4

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

Let a≠0 and p(x) be a polynomial of degree greater than 2.If p(x) leaves remainders a and -a when divided respectively by x+a and x-a,then the remainder when p(x) is divided by x2-a2

1.  x

2.  -x

3.  -2x

4.  2x

View Answer  
4
Correct Answer :

-x


Explanation :
No Explanation available for this question

If the sum of the two of the roots of x3+px2-qx+r = 0 is zero,then pq is equal to

1.  -r

2.  r

3.  2r

4.  -2r

View Answer  
4
Correct Answer :

r


Explanation :
No Explanation available for this question
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