| Renga asks : Is there any oxygen in sun if not how it is burning? |
| Atchaya meena asks : what is the formula for the area of a square? (i)side x side (ii)4 x side (iii)2 x side (iv)side x side x side |
| Karthik natarajan asks : can i get the sample papers of maths olympiad and cyber olympiad,class 5 |