Price elasticity of demand of a good X and Y are zero and (-) 1 respectively. Which of the two is more elastic and why ?

Price elasticity of demand of two good A and B (-) 3 and (-)4 erspectively. Which of the two goods has higher elasticity and why ?

P.e_(D) of two goods A and B is (-) 3 and (-) 4 respectively. Which of the goods has higer elasticity and why ?

Price elasticty of demand of good X is -2 and of good Y is -3. which of the two goods is more price elastic and why ?