x≥1 requires x>0, and y≥0 keeps us in the first quadrant.
With 2x+3y≥4 and x≥1, the region extends infinitely upward, so it is unbounded in the first quadrant.
Five litres of water is added to a certain quantity of pure milk costing Rs. 60 per litre. If by selling the mixture at the same price as before, a profit of 20% is made, then the amount of pure milk in the mixture is :
Held on 22 May 2023 · Verified 13 Jul 2026.
20 litres
25 litres
30 litres
40 litres
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If the total cost and total revenue of a company that produces and sells $x$ units of a particular product are $C(x) = 5x + 350$ and $R(x) = 50x - x^2$ respectively, then which of the following is/are the breakeven values: (A) $x = 10$ (B) $x = 25$ (C) $x = 45$ (D) $x = 30$ Choose the correct answer from the options given below:
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