Mathematics General Science Test Medium Mode

Sr. #	Questions	Answers Choice
1	The roots of px2 - (p-q)x-q=0 are	equal Irrational Rational Imaginary
2	The roots of (b-c)x2+(c-a) x+a-b=0 are equal if	2b = a+c 2a = b+c 2c = a+b a + b + c =0
3	The roots of ax2+bx+c=0 are	Rational ⇔ b2 -4 ac ≥ 0 Irrational ⇔ b2-4 ac > 0 Real ⇔ b2-4 ac ≠ 0 Rational⇔ b2-4 ac = 0
4	If a,β are the roots of ax2+bx+c=0,the equation whose roots are doubled is	ay2 +2by+c=0 ay2+2by+4c=0 ay2+2by+c=0 ay2+by+4c=0
5	If w+w2 is a root of (x+1)(x+2)(x+3)(x+4) = k, then	k=0 k=1 k=w k=w2

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