Q.A book seller sold 40 books at the price of ₹ 10 each. The total revenue of the seller is ______.

Total Revenue = Price × Quantity sold = 10 × 40 = ₹ 400, so the answer is option (c).

Total Revenue (TR) is the total receipts of a seller from selling a given quantity of a good. It is calculated as:

Total Revenue = Price per unit × Quantity sold

Here the price per book is ₹ 10 and the number of books sold is 40. So:

Total Revenue = 10 × 40 = ₹ 400

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