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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsHard
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In a saving plan the total saving for (10) months is (7750) rupees and the saving increases by (150) rupees each month. What was the saving in the first month?

Answer and explanation

Correct answer: (100)

Using (S_{10}=7750) and (d=150) gives (a=100). Exam tip: the first term can be found from total and difference.

Related tags

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