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A fund receives (200) rupees in the first week and (4380) rupees in total over (12) weeks. If the weekly deposit increases equally, what is the weekly increase?

Answer and explanation

Correct answer: (30)

Using (S_{12}=4380) and (a=200) gives (d=30). Exam tip: find the common difference from total and first term.

Related tags

ApWord-ProblemFund-DifferenceWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematicsClass 10 Mcq

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