PRINCIPLE: agreements the meaning of which is not certain or capable of being made certain are void.
FACT: A horse was bought for a certain price coupled with a promise to give Rs. 500 more if the horse 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 had brought to the buyer.

C

the agreement is partially valid and partially void.

D

None of the above.