1-Mr. White contracts with his wife, Mrs. White, to watch their kids, Jim and Joe, for one night so Mr. White can go play poker with his friends. Is there a valid contract between Mr. and Mrs. White?

No, because it was not supported by consideration.

Yes, as long as $50 was a reasonable amount for Mrs. White watching the kids.

Yes, because $50 is legal value that is bargained for and given in exchange for Mrs. White's promise to watch the kids.

No, because playing poker is illegal.

2-Mr. Green is a local mobster who enters into an oral agreement with Mr. Blue for Mr. Blue to pay $100/week to "protect" his business from not being burned to the ground. Is there a valid contract between Mr. Green and Mr. Blue?

Yes, as long as the $100/week is adequate consideration for Mr. Green's promise.

Yes, because Mr. Green's promise not to burn the business to the ground is adequate consideration.

No, because the agreement was not signed by Mr. Blue.

No, because Mr. Green did not provide consideration for the agreement.

3-Dan, the President of an accountancy firm, is very happy with the extraordinary performance of Naomi, a senior accountant, over the past year. Dan tells Naomi that because of her suburb work, he is going to give her a 5% raise. Later that day, Dan decides the raise might cause other senior accountants to demand a similar raise, and tells Naomi that he has changed his mind. Can Naomi enforce Dan's promise to give her a raise?

Yes, Naomi's suburb services provided sufficient consideration for the agreement.

Yes, because this was a settlement of an unliquidated debt.

No, because there was no bargained for exchange for the raise.

No, because Naomi had a preexisting duty to perform well.

4-Chica, an expensive women's clothing store, held a prize drawing for a $5,000 shopping spree. In order to enter the drawing, participants had to be present in the store at the time of the drawing and agree that their name and photograph could be used for the store's promotional purposes. Joy was present in the store when her name was drawn. Does Joy have an enforceable contract with Chica

No, because there was inadequate consideration.

No, because the agreement violated Joy's right of publicity.

Yes, her acts of being in the store and letting her name and photograph be used was sufficient consideration.

Yes, but only if the court finds that what Joy agreed to was a fair exchange for $5,000.

5-Bill is 25 years old and abuses alcohol. Bill's uncle, John, promises Bill that if Bill will stop drinking alcohol for one year, John will pay him $100,000. Bill refrained from drinking alcohol for one year, but as soon as the year was over, went back to abusing alcohol. John refused to pay Bill the $100,000 because not drinking alcohol was for Bill's own well-being. Can Bill collect the $100,000 from John?

No, because refraining from drinking alcohol was not consideration.

No, because paying $100,000 for someone to stop drinking alcohol for one year was not reasonable consideration.

Yes, because no consideration is required for this type of contract.

Yes, because Bill's act of refraining from drinking alcohol provided consideration for the agreement.