Gambling

Q: Is Lottery Permissible? Where Every Month 12 People Put R100 each, and Each Month 1 Person Will Get The Whole Sum Of R1200?

Q: Is betting without investing money permissible? Will it fall under the category of Gambling? 

Example: Two friends bet on cricket match, and the loser of the bet will give either money or a party etc to the winner of the bet.