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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsHard
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In a saving challenge (40) rupees are deposited on the first day and (15) rupees more each next day. How many days will it take to collect (1470) rupees?

Answer and explanation

Correct answer: (12)

The amounts form the AP (40,55,70,\ldots), and (S_n=1470) gives (n=12). Exam tip: set the target total equal to (S_n).

Related tags

ApWord-ProblemSavings-TargetWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematicsClass 10 Mcq
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