Resistance of each bulb, r = V2P = 220210 = 4840 Ω
Total resistance in the circuit, R = 220V5A = 44 Ω
Let n be the number of bulb (each of resistance r) to be connected in parallel to obtain a resistance R.
Clearly, Rnet = rn or n = rR = 4840Ω44Ω = 110 bulbs