Math : Chapter 5 - Addition of Large Numbers

Fill in the blanks : 90983 + 10462 = (a)   + 90983

Fill in the blanks : (3689 + 4876) + 30254 = 3689 + ( (a)   + 30254)

Fill in the blanks : 48562 + (a)   = 48562

Fill in the blanks : (a)   + 0 = 118364

Add the following : 12850000 + 1666000 + 230008 = (a)  

Add the following : 67874785 + 96833025 + 48360904 = (a)  

Add the following : 10028140 + 3821680 + 6530004 = (a)  

Add the following : 24286389 + 2914758 + 1867975 + 6767676 = (a)  

Which number is 43462 more than 562939? (a)  

During three consecutive years a flour mill produced 346399 kg, 368983 kg and 436299 kg flour respectively. How much flour did the factory produce in three years? (a)