Metal used to fill the hole at the base of all standard weights is _____.

Q. Fill in the blanks:
(a) Sole proprietorship is the _______ from of business enterprises, (latest / oldest)
(b) Sole proprietorship is most suitable form for _______ business, (small / large)
(c) Liability of a sole proprietor is ________ (limited / unlimited)
(d) Sole proprietorship _______ a separate legal entity, (has / does not have)
(e) It is ______ to set up a sole proprietorship firm,(easy / difficult)

Q. A dishonest shopkeeper claims to sell his goods at cost price, but uses a weight of 800 gm in place of the standard 1 kg weight. What is his gain per cent ?

Q.

Statement 1: A rod can be used as a standard unit.

Statement 2: Length of the rod is not constant at all temperatures.