If (0,0) is one limiting point of the coaxial system with radical axis x+y=1, then the other limiting point is

1.  (-1,1)

2.  (1,-1)

3.  (-1,-1)

4.  (1,1)

View Answer  
4
Correct Answer :

(1,1)


Explanation :
No Explanation available for this question

If α,β are the roots of the equation ax2+bx+c=0 then the value of (α/β –β/α)2 is

1.  b2 (b2-4ac)/a2c2

2.  0

3.  3abc-b2/a3

4.  c(a-b)/a2

View Answer  
4
Correct Answer :

b2 (b2-4ac)/a2c2


Explanation :
No Explanation available for this question

If α,β are the roots of ax2+2bx+c=0 then α/β+β/α

1.  2(2b2-ac)/ac

2.  4(b2-ac)/ac

3.  4(b2-ac)/a2c2

4.  4(b2-ac)/a

View Answer  
4
Correct Answer :

2(2b2-ac)/ac


Explanation :
No Explanation available for this question

If the sum of the roots of the equation 5x2-4x+2+k(4x2-2x-1)=0 is 6,then k=

1.  13/17

2.  17/13

3.  -17/13

4.  -13/11

View Answer  
4
Correct Answer :

-13/11


Explanation :
No Explanation available for this question

If the product of the roots of the equation 5x2-4x+2+k(4x2-2x-1)=0 is 2,then k=

1.  -8/9

2.  8/9

3.  4/9

4.  -4/9

View Answer  
4
Correct Answer :

-8/9


Explanation :
No Explanation available for this question

If the roots of x2+bx+c=0 are two consecutive integers then b2-4c=

1.  0

2.  1

3.  2

4.  3

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

If P(A∩B)=1/2,and 2P(A)=P(B)=P,then the value of P

1.  1/4

2.  1/2

3.  1/3

4.  2/3

View Answer  
4
Correct Answer :

2/3


Explanation :
No Explanation available for this question

A problem in EAMCET examination is given to three students A,B and C, whose chances of solving it are 1/2,1/3.1/4 respectively. The probability that the problem will be solved is

1.  3/4

2.  1/24

3.  1/4

4.  23/24

View Answer  
4
Correct Answer :

3/4


Explanation :
No Explanation available for this question

Counters numbered 1, 2, 3 are placed in a bag and one is drawn at random and replaced. The operation is being repeated three times. The probability of obtaining a total of 6 is

1.  7/9

2.  6/27

3.  7/27

4.  5/27

View Answer  
4
Correct Answer :

7/27


Explanation :
No Explanation available for this question

An ordinary die has 4 blank faces, one face marked with 2 and an other marked with 3, Then the probability of obtaining a total of exactly 5 in 2 throws.

1.  1/36

2.  1/18

3.  1/9

4.  1/72

View Answer  
4
Correct Answer :

1/18


Explanation :
No Explanation available for this question
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