SMOG is a combination of
1). Air and water vapour
2). Water and smoke
3). Fire and water
4). Smoke and fog
2. Coefficient of $x^2$ in (x + 3)(2 - 4x)(5x - 6) is
3. Who was the first Indian Governor General of Independent India?
4. If a + b = 9 and $a^{2} + b^{2} = 61$, then value of ab is
5. Highest Civilian Honour received by Kamal Haasan is _______.