point out with reasons whether the following agreements are valid or void?

a. Kamala promises Ramesh to lend $50,000 in lieu of consideration that Ramesh gets kamala's maariahr dissolve and himself maries her.

b.Sohan agress with Moham to sell his lack horse.Unknown to both parties,the jorse was dead at the time of agreement.

c. Ram sells the goodwill of his shop to Shayam for $400,000 and promises not to carry on such business forever and anywhere in

d. In an agreement between A and B there is a condition that they will not institute legal proceedings against each other without consent

e. R who is a citizen of canada enters into an agreement with an alien friend