Principle: Agreements, the meaning of which is not certain, or not capable of being made certain, are void.

Facts: A horse was bought for a certain price coupled with a promise to give Rs. 500 more if the horse is proved lucky.

A

This is a valid agreement.

B

This agreement is void for uncertainty because it is very difficult to determine what luck, bad or good, the horse has brought to the buyer.

C

The agreement is partially valid and partially void.

D

None of the above.