If the elasticity of demand for X is 0.25, then moving along the demand for Good X:

If the elasticity of demand for X is 0.25, then moving along the demand for Good X:
a: A 10% rise in the price of X will lead to a 25%fall in the quantity of X demanded
b: A 10% rise in the price of X will lead to a 2.50% fall in the quantity of X demanded
c: A 20% rise in the price of X will lead to a 2.50% rise in the quantity of X demanded
d: A 10% rise in the price of X will lead to a 12.50% rise in the quantity of X demanded