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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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At a donation centre (300) food packets are distributed on the first day and (10) fewer packets are distributed each next day. How many packets are distributed in (18) days?

Answer and explanation

Correct answer: (3870)

The packets form the decreasing AP (300,290,280,\ldots) and (S_{18}=3870). Exam tip: keep the common difference negative for decreasing quantities.

Related tags

ApWord-ProblemFood-PacketsTotalWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematics
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