57. A promises to pay B $100 if B will dig a well for A. B digs the well. Is the contract unilateral or bilateral?

58. Distinguish executory and executed contracts.

59. A promises to pay B $5,000 if B will deliver to him a deed of his farm. B delivers the deed. Is the contract executed or executory?

60. Is the above contract executed as to A? Is it executory as to B?

61. Are infants bound by their contracts? Define infant.

62. Are infants' contracts void?

63. Distinguish void and voidable.

64. Can a competent party contracting with an infant avoid the contract on the ground of infancy of the other party?

65. Can an infant ratify a contract after becoming of legal age?