The salary of a person is reduced by 20% . To restore the previous salary, his present salary is to be increased by
1). 20%
2). 25%
3). 17.50%
4). 22.50%
2. .The orthocentre of a triangle is the point where
3. Select the related word/letters/number from the given alternatives.EFG : OPQ : : ? : STU
4. Elapidae Naja is the scientific name of _______.
7. Coefficient of $x^2$ in (x + 3)(2 - 4x)(5x - 6) is
8. Who was the first Indian Governor General of Independent India?
9. If a + b = 9 and $a^{2} + b^{2} = 61$, then value of ab is
10. Highest Civilian Honour received by Kamal Haasan is _______.