Express the following propositions using p, q, r and logical operators
(a) You get an A in the course but you do not do every exercise in the text book.
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Answer:
Cost price of 25 saris = Rs 10000
Selling price of 1 sari = Rs 460
∴ Selling price of 25 saris = 25 × 460 = Rs 11500
Since selling price is more than cost price, so there is a profit.
Profit = Selling price − Cost price
= 11500 − 10000
= Rs 1500
Hence, Kantabai made a profit of Rs 1500 in this transaction.
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