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If (3,x,11,y,19) are five consecutive terms of an AP, what are (x,y) and the common difference?
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Answer and explanation
Correct answer: (x=7,y=15,d=4)
There are (4) equal gaps between the first and fifth terms, so (d=\frac{19-3}{4}=4). In exams, divide the total difference between distant terms by the number of gaps.
Frequently asked questions
What is the correct answer to this question?
(x=7,y=15,d=4)
Why is this the correct answer?
There are (4) equal gaps between the first and fifth terms, so (d=\frac{19-3}{4}=4). In exams, divide the total difference between distant terms by the number of gaps.
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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