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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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In an exam the first question carries (6) marks and each next question carries (7) more marks. What are the total marks of the first (16) questions?

Answer and explanation

Correct answer: (936)

The marks form the AP (6,13,20,\ldots) and (S_{16}=936). Exam tip: take the number of questions as (n) and find the sum.

Related tags

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