A student solves (42) questions on the first day and (9) more questions each day. On which day will he solve (276) questions?
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Answer and explanation
Correct answer: (27)th
From (276=42+(n-1)9), (234=9(n-1)), so (n=27). Treat the daily count as a term, not a total sum.
Frequently asked questions
What is the correct answer to this question?
(27)th
Why is this the correct answer?
From (276=42+(n-1)9), (234=9(n-1)), so (n=27). Treat the daily count as a term, not a total sum.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Finding the $n$th term of an AP.
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