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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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In a school (60) new admissions happen on the first day and (20) more admissions happen each next day. How many days are needed for (3000) admissions?

Answer and explanation

Correct answer: (15)

The admissions are (60,80,100,\ldots) and (S_n=3000) gives (n=15). Exam tip: connect the target total with the sum formula.

Related tags

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