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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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In a saving plan (250) rupees are deposited in the first month and the total saving in (20) months is (19300) rupees. If the saving increases equally every month, what is the monthly increase?

Answer and explanation

Correct answer: (75)

Using (S_{20}=19300) and (a=250) gives (d=75). Exam tip: find the common difference from total and first term.

Related tags

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