If (a=11) and (d=6), what are the first four terms of the arithmetic progression?
Answer and explanation
Correct answer: (11, 17, 23, 29)
In an arithmetic progression, the first term is a and the common difference d is added to obtain each next term. Here, a = 11 and d = 6: 11, 11 + 6 = 17, 17 + 6 = 23, 23 + 6 = 29. Hence, the first four terms are (11, 17, 23, 29). In option A, 5 has been added instead of 6. Exam tip: Check that the difference between every pair of consecutive terms equals d.
Frequently asked questions
What is the correct answer to this question?
(11, 17, 23, 29)
Why is this the correct answer?
In an arithmetic progression, the first term is a and the common difference d is added to obtain each next term. Here, a = 11 and d = 6: 11, 11 + 6 = 17, 17 + 6 = 23, 23 + 6 = 29. Hence, the first four terms are (11, 17, 23, 29). In option A, 5 has been added instead of 6. Exam tip: Check that the difference between every pair of consecutive terms equals d.
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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