A shop sells (1320) items in (16) weeks. If (45) items are sold in the first week then what is the weekly increase?
Answer and explanation
Correct answer: (5)
Using (S_{16}=1320) and (a=45) gives (d=5). Exam tip: find the common difference from total and first term.
Frequently asked questions
What is the correct answer to this question?
(5)
Why is this the correct answer?
Using (S_{16}=1320) and (a=45) gives (d=5). Exam tip: find the common difference from total and first term.
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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