This practice GMAT test includes only quadratic questions, which are part of the GMAT problem solving section.
End Test Now
The harmonic mean of the roots the equation is
A. 6
B. 8
C. 2
D. 4
E. 5
In a cricket match Rock took one wicket less than twice the number of wickets taken by Jony. If the product of the number of wickets taken by items is 15, the number of wickets taken by each of them are:
A. 3,5
B. 7,9
C. 5,3
D. 2,6
E. 2,3
The condition that the roots of are reciprocal to each other is
A. a – b = 0
B. b = 0
C. a = 0
D. a + b = 0
E. None of these
If then among the equations
A. Both have real roots
B. Both have imaginary
C. At least one has real roots
D. At least one has imaginary roots
The roots of the equation are real and equal if
A. a < b < c
B. a > b > c
C. a = b = c
D. a + b + c = 0
E. a – b + c = 0
The expression is positive for all real values of , then:
A. a>3
B. a=3
C. a>1
D. ‘a’ can be any real number
If is real and then lies in the interval
A.
B.
C.
D.
The roots of the equation are
A. Imaginary
B. Real
C. Real and distinct
D. Real and equal
E. Equal
The condition that a root of the equation may be a reciprocal to a root of
If the roots of equation have common roots. Then the value of is.
A. 1
B. -2
C. -1
D. 3
E. 4
When you are sure that you have answered as many questions as possible, click the ‘Done’ button below and view your results.
