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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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In an electricity plan (150) units are used in the first month and (25) more units are used each next month. How many units are used in (10) months?

Answer and explanation

Correct answer: (2625)

The units form the AP (150,175,200,\ldots) and (S_{10}=2625). Exam tip: add consumption across all months.

Related tags

ApWord-ProblemElectricityTotalWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematics
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