1

### IIT-JEE 1985

True or False
If $$P(x) = a{x^2} + bx + c\,\,and\,\,Q(x) = - a{x^2} + dx + c$$, where $$ac \ne \,0$$, then P(x) Q(x) = 0 has at least two real roots.
A
TRUE
B
FALSE
2

### IIT-JEE 1985

True or False
If $${n_1}$$, $${n_2}$$,.......$${n_p}$$ are p positive integers, whose sum is an even number, then the number of odd integers among them is odd.
A
TRUE
B
FALSE
3

### IIT-JEE 1984

True or False
If a < b < c < d, then the roots of the equation (x - a) (x - c) + 2 ( x - b) (x - d) = 0 are real and distinct.
A
TRUE
B
FALSE
4

### IIT-JEE 1983

True or False
The equation $$2{x^2} + 3x + 1 = 0$$ has an irrational root.
A
TRUE
B
FALSE

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Class 12