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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsHardLevel 70
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In a tree plantation drive (25) trees are planted on the first day and (5) more trees are planted each next day. How many days are needed to plant (900) trees?

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Answer and explanation

Correct answer: (15)

The tree numbers are (25,30,35,\ldots), and (S_n=900) gives (n=15). Exam tip: connect the target total with the sum formula.

Related tags

ApWord-ProblemTree-Target

Frequently asked questions

What is the correct answer to this question?

(15)

Why is this the correct answer?

The tree numbers are (25,30,35,\ldots), and (S_n=900) gives (n=15). Exam tip: connect the target total with 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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