If two consecutive terms of an arithmetic progression are (26) and (31), what is the common difference?
Answer and explanation
Correct answer: 5
In an arithmetic progression, the common difference is the difference between consecutive terms. Thus, second term − first term = 31 − 26 = 5. Therefore, 5 is correct. The number 26 is the first given term, not the common difference. Exam tip: When consecutive terms are given, subtract the earlier term from the later term.
Frequently asked questions
What is the correct answer to this question?
5
Why is this the correct answer?
In an arithmetic progression, the common difference is the difference between consecutive terms. Thus, second term − first term = 31 − 26 = 5. Therefore, 5 is correct. The number 26 is the first given term, not the common difference. Exam tip: When consecutive terms are given, subtract the earlier term from the later term.
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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