Which is the third term in the arithmetic progression (3,9,15,21,\ldots)?
Answer and explanation
Correct answer: 15
The terms of the given arithmetic progression are 3, 9, 15, and 21 in order. Thus, 3 is the first term, 9 is the second term, and 15 is the third term. Since 21 is the fourth term, it is not correct. Exam tip: always count the first listed term as the first term.
Frequently asked questions
What is the correct answer to this question?
15
Why is this the correct answer?
The terms of the given arithmetic progression are 3, 9, 15, and 21 in order. Thus, 3 is the first term, 9 is the second term, and 15 is the third term. Since 21 is the fourth term, it is not correct. Exam tip: always count the first listed term as the first 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..
Student feedback
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
