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In the sequence (16,20,24,28,\ldots), what is the value of (a+d)?
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Answer and explanation
Correct answer: 20
In this AP, the first term is \(a=16\) and the common difference is \(d=20-16=4\). Therefore, \(a+d=16+4=20\), which is the second term of the AP. \(24\) is the third term, so it is not correct. Exam tip: \(a+d\) is always the second term of an AP.
Frequently asked questions
What is the correct answer to this question?
20
Why is this the correct answer?
In this AP, the first term is \(a=16\) and the common difference is \(d=20-16=4\). Therefore, \(a+d=16+4=20\), which is the second term of the AP. \(24\) is the third term, so it is not correct. Exam tip: \(a+d\) is always the second term of an AP.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Arithmetic Progressions (AP). Topic: Introduction to APs and common difference..
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