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Subjects
Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsHard
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In a saving plan (90) rupees are deposited on the first day and (30) rupees more each next day. What is the total saving in (14) days?

Answer and explanation

Correct answer: (3990)

The amounts form the AP (90,120,150,\ldots) and (S_{14}=3990). Exam tip: use the sum formula for total saving.

Related tags

ApWord-ProblemSavingsTotalWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematics
सुधार सुझाएँ / Earn

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