1. A will deliver to B a fountain pen, or a calculator or a transistor radio. All the prestations shall be completely performed by A.

1. True
2. False

2. W will deliver to Z a puppy, or a kitten or a bird. Z made a demand upon him but W still failed to choose. There is no delay or default?

1. True
2. False

3. A will deliver to B a cellphone or a camera or a stereo speaker, all specific things. Before A can choose, the camera was lost because of his (As) fault. The obligation is extinguished.

1. True
2. False

4. X will give Y a specific camera or a laptop computer as a substitute. The camera was lost due to fortuitous event. Xs obligation now is to deliver a laptop computer.

1. True
2. False

5. X, Y, Z are imdebted to A, B, C in the sum of 30,000. Any of the creditors may demand payment of 30,000 from any one of the debtors.

1. True
2. False