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A fund receives (3000) rupees in (12) weeks. If the deposit increases by (20) rupees every week then how much was deposited in the first week?

Answer and explanation

Correct answer: (140)

Using (S_{12}=3000) and (d=20) gives (a=140). Exam tip: the first term can be found from total sum and difference.

Related tags

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

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