1. Sanjana bought 30 books at ₹15 per book. She sold all of them at ₹18 per book. Calculate her profit or loss. (a) P = ₹540 (b) L = ₹540 (c) P = ₹90 (d) L = ₹901.
You munus 15 from 18 and get how much the profit will be and then you will multiply the profit with the amount of books she sold and that will give you 90 profit that means it's (c)
