alleryPens cost ₹8 each plus ₹30 delivery. Spending must be at least ₹100 but under ₹150. How many pen counts work?
A6 counts
B5 counts
C7 counts
D8 counts
Answer & Solution
Correct answer: A. 6 counts
The bounds 100 ≤ 8n + 30 < 150 permit exactly the six integer counts 9 through 14.
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