35. An agent cannot lawfully employ another to perform acts which he has expressly or impliedly undertaken to perform:-

a. together, unless by the ordinary custom of trade a sub-agent may, or, from the nature of the agency, a sub-agent must, be employed.

b. seperately, unless by the ordinary custom of trade a sub-agent may, or, from the nature of the agency, a sub-agent must, be employed.

c. lawfully, unless by the ordinary custom of trade a sub-agent may, or, from the nature of the agency, a sub-agent must, be employed.

d. personally, unless by the ordinary custom of trade a sub-agent may, or, from the nature of the agency, a sub-agent must, be employed.

36. Where a sub-agent is properly appointed, the principal is, so far as regards third persons,

a. represented by the sub-agent, and is bound by and responsible for his acts, as if he were an agent originally appointed by the principal.

b. represented by the sub-agent, and is bound by and responsible for his acts, as if he were an agent originally appointed by the principal.

c. represented by the sub-agent, and is bound by and responsible for his acts, as if he were an agent originally appointed by the principal.

d.represented by the sub-agent, and is bound by and responsible for his acts, as if he were an agent originally appointed by the principal.

37. Ali employs Bob as a bricklayer in building a house. Ali puts up all the scaffolding around the construction area himself. The scaffolding is unskillfully put up and part of collapsed to the ground and injuring Bob in the process. In this case:-

1. The principal must not make compensation to his agent in respect of injury caused to the agent by the principals neglect or want of skill.
2. The principal must make compensation to his agent in respect of injury caused to the agent by the principals neglect or want of skill.
3. The principal must make compensation to his agent in respect of injury caused to the agent by the principals not neglect or want of skill.
4. The principal must make compensation to his agent in respect of injury not caused to the agent by the principals neglect or want of skill.