6. S sold his land to B. Although the sale was made orally, B still paid S the agreed price. Later, B wanted to have the sale registered but he needed a public instrument.

What can B do? Explain.

7. D owes C P10,000. However, Cs right has already prescribed. Notwithstanding the knowledge of this fact, D paid the amount. Realizing this mistake, D wants to recover the amount he paid.

Will Ds action to recover prosper? Explain.

8. On July 15, 2018, X entered into a contract with Y. On February 10, 2019, X discovered that fraud was committed at the time he entered into the contract, a fraud that vitiated his consent.

When shall the action for annulment be brought by X? Explain. 9. S makes an offer to B on January 1, 2019. B makes known his acceptance through a letter sent on January 2, 2019, and received by S on January 10. Meantime, on January 5, 2019, S becomes insane.

Is the contract binding between the parties? Explain.

10. S offered to sell her watch to B for P10,000. B offered to buy the watch for P8,000 but it was rejected by S. When B turned to go away, S called him and said she is now willing to sell the watch for P8,000.

May B refuse to buy the said watch? Explain.