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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsMedium
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In a piggy bank (40) rupees are put on the first day and (20) rupees more each next day. How many days will it take to collect (1120) rupees?

Answer and explanation

Correct answer: (8)

The amounts are (40,60,80,\ldots) and (S_n=1120) gives (n=8). Exam tip: when a total target is given, find the number of terms.

Related tags

ApWord-ProblemPiggy-BankWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematicsClass 10 Mcq
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