Find the sum of all natural even numbers from 2 to 42.
1). 462
2). 426
3). 642
4). 624
1. When the mode is ill-defined, then the Empirical mode formula is of the form:
3. How many Olympic Medals has India won in the sport of wrestling so far?
4. A discount series of 1o% 20% and 40% is equivalent to a single discount of
5. Alberuni visited India with which Muslim invader ?
7. If - means x . x means +, + means $\div$ and $\div$ means -, then 40 x 12 + 3 - 6 $\div$ 60 = ?
9. Who gave the title of “ Mahamana" to Madan Mohan Malviya ?