If cross elasticity of demand for X is 2.5 in terms of price of Y, is commodity X a substitute or complement of commodity Y?

For the following table determine price elasticity when price rises from Rs. 7 to Rs. 8?

For the following demand schedule calculate income elasticity when income rises from Rs. 500 to Rs. 600.

When a consumer’s income increases, what happens to the demand curve?

When price is Rs.10 the demand for the good is 100 unit, and the price elasticity of demand is 1.5, what will happen to demand when price fall by ten percentage points?

For the following demand schedule find the direction of elasticity when price falls from Rs.10 to Rs.9; Rs.9 to Rs.8; Rs.8 to Rs.7; Rs. 7 to Rs. 6 using outlay method.

For the following schedule, what happens when price falls from Rs.9 to Rs.8 and when price rises from Rs.5 to Rs.6?

For the following diagram what will be elasticity at point N0 and N1 ?

For the following demand schedule, find cross elasticity of demand for good X when price of Y falls from Rs.5 to Rs.4. Comment on the nature of good.