Final answer:
To calculate the final price of the fan after the discount and VAT, deduct 20% discount from the listed price and add a 10% VAT to get the final price.
Step-by-step explanation:
To calculate the final price of the fan after the discount and VAT, we first need to find the discounted price. With a 20% discount, the shopkeeper will deduct 20% of the listed price, which is Rs 1500. This amounts to a discount of Rs 300. So, the discounted price will be Rs 1500 - Rs 300 = Rs 1200.
Now, to calculate the final price with 10% VAT, we need to add 10% of the discounted price to the discounted price. 10% of Rs 1200 is Rs 120. Adding Rs 120 to Rs 1200 gives us Rs 1320.
Therefore, the consumer should pay Rs 1320 for the fan with a 10% VAT.