alleryBuy whole boxes for exactly 72 meals, at least 15 veg. P:6 meals(1 veg),₹70. Q:9 meals(3 veg),₹110; at most 6 Q boxes. Minimum cost?
A₹860
B₹870
C₹840
D₹850
Answer & Solution
Correct answer: D. ₹850
Feasible purchases are 9P+2Q (₹850), 6P+4Q (₹860), or 3P+6Q (₹870). Twelve P boxes give only 12 veg meals; 8Q exceeds the limit. The minimum is ₹850.
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