Question: 01

The difference of squares of two numbers is 180. If the square of the smaller number is 8 times the larger number, then the larger number is

1) 18          2) 12       

3) 22          4) 14

Question: 02

If α,β are the roots of 6x2-6x+1=0 then

1) α+β=1

2) [math]|α+β|=\frac{-1}{\sqrt3}[/math]

3) α2+β2=2/3

4) [math]|α+β|=\frac{1}{\sqrt3}[/math]

Question: 03

If α,β are the roots of 3x2+7x+5=0 then

1) α+β=5/3

2) α+β= -7/3

3) [math]|α+β|=\frac{\sqrt{29}}{3}[/math] 

4) αβ=-5/3

Question: 04

If the roots of x2-(a+1)x+b2=0 are equal, a+b=2 and (a+1)b <0 , then a=

1) 4          2) 6    

3) 5           4) 3

Question: 05

If the roots of x2-(a+1)x+b2=0 are equal, a+b=2 and (a+1)b <0 , then b=

1) -1            2) -3            3) -2            4) -4

Question: 06

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 07

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 08

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 09

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 10

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 11

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 12

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 13

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 14

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

Question: 15

If 5 is a root of x2-(K-1)x+10=0 , then the value of “K” is

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