For the following questions answer them individually
The contra positive of the statement:
"If in a $$\triangle ABC, AB = AC$$ then $$\angle B = \angle C"$$ is
Which of the following is equivalent to the statement $$p \vee [\sim (q \wedge \sim r)]$$
If $$I_n = \left\{x \epsilon R: -\frac{1}{n} < x < \frac{1}{n}\right\}$$ for n = 1, 2, 3, ........... then
$$\bigcap_{n=1}^{\infty}I_n =$$
The equation of the straight line having intercepts a and b on the axes such that a + b = 5 and ab = 6 is
The equation of the straight line passing through (4, 2) and parallel to the line x + 2y - 5 = 0