If `4ac gt b^2 and a + c gt b` for real numbers a, b and c, then which of the following is true?

If a+b gt 0 and c+d gt 0 , which of the following must be true ?

If a, b, c are positive real numbers such that a+b+c=2 then, which one of the following is true?

If a, b, c are positive real numbers such that a+b+c=2 then, which one of the following is true?

Suppose a,b and c are real numbers such that a/b gt 1 and a/c lt 0 . What one of the following is true ?

x and b are real numbers. If b gt 0 and |x| gt b , then

ABCD is a cyclic quadrilateral and A + B = 2 ( C + D) . If angle C gt 30^(@) , then which of the following is true