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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpertLevel 72
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A construction team works (28) hours on the first day and (9) more hours each next day. How many hours of work are done in (15) days?

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Answer and explanation

Correct answer: (1365)

The work hours are (28,37,46,\ldots) and (S_{15}=1365). Exam tip: add all days using the sum formula.

Related tags

ApWord-ProblemConstructionTotal

Frequently asked questions

What is the correct answer to this question?

(1365)

Why is this the correct answer?

The work hours are (28,37,46,\ldots) and (S_{15}=1365). Exam tip: add all days using the sum formula.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Word problems based on APs.

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