What would be the equilibrium number of firms in a market of identical firms, when market demand function $(Q_d)$, supply function of a single firm $(Q_s1)$ and equilibrium price (P) are given as

$Q_d = 180 - 2P$

$Q_{s1} = 15 + P$

$P = 15$

1. 5
2. 6
3. 8
4. 9

Which of the following condition must be satisfied for profit maximization under perfect competition for the Short Run (SR) and for the Long Run (LR) respectively?

Where P = Price, AVC = Average variable cost, AFC = Average fixed cost, AC = Average cost.

Which of the following is true about the relationship between Total Revenue (TR) and Marginal Revenue (MR) in a perfectly competitive market?

(A) Total Revenue will increase at a constant rate.

(B) Marginal Revenue is more than Average Revenue.

(C) Marginal Revenue remains constant throughout.

(D) Marginal Revenue is equal to Average Revenue.

Choose the correct answer from the options given b-elow:

Match List-I with List-II

List-I	List-II
(A) Perfect Competition	(I) A typical characteristic of perfect competition.
(B) Perfectly elastic demand curve	(II) An individual firm is a price taker.
(C) Degree of price control under perfect competition	(III) The firm can sell any amount of its output at the prevailing price.
(D) Freedom of entry and exit	(IV) No control over price.

Choose the correct answer from the options given below:

Choose the correct option(s) with respect to free entry and exit assumption of a perfectly competitive market.

(A) At equilibrium, no firm earns supernormal profit.

(B) As new firms enter the market, the supply curve shifts leftward.

(C) Equilibrium price will be equal to the minimum average cost.

(D) At equilibrium, no firm incurs losses by remaining in production.

Choose the correct answer from the options given below:

Match List-I with List-II

List-I	List-II
(A) Control Price	(I) Set below the equilibrium price
(B) Floor Price	(II) Fixed by the government for the labourers
(C) Minimum Wage Legislation	(III) Set above the equilibrium price
(D) Market Equilibrium	(IV) when demand and supply curve intersect.

Choose the correct answer from the options given below:

Which of the following are features of a perfect competitive market?

(A) Free entry and exit of firms.

(B) Huge selling cost.

(C) perfectly elastic demand curve.

(D) perfect market knowledge among buyers.

Choose the correct answer from the options given below: