The four resistances P, Q, R and S of a wheat stone's bridge are 4, 0, 20 and 200Ω respectively. To balance the bridge
(1) 200/3Ω to be connected in parallel to 200Ω
(2) 200/3 Ω to be connected in series to 200Ω
(3) 4Ω to be connected in series to 20Ω
(4) 10/3Ω to be connected in series with 10Ω
