CUET Economics - 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 | PYQs + Solutions | AfterBoards