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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsHard
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In a warehouse (40) sacks are placed in the first row and (3) fewer sacks in each next row. How many sacks are there in (12) rows?

Answer and explanation

Correct answer: (282)

The sack numbers are (40,37,34,\ldots), and (S_{12}=282). Exam tip: keep the common difference negative for decreasing rows.

Related tags

ApWord-ProblemSacks-DecreaseWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematicsClass 10 Mcq
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