0.53 g of an organic compound (x) when heated with excess of nitric acid (concentrated) and then with silver nitrate gave 0.75 g of silver bromide precipitate. 1.0 g of (x) gave 1.32 g of CO₂ gas on combustion. The percentage of hydrogen in the compound (x) is _______ %. [Nearest Integer] [Given : Molar mass in g mol^–1 H : 1, C : 12, Br : 80, Ag : 108, O : 16; Compound (x) : C_xH_yBr_z]