In an arithmetic progression, if the 5th term is 20 and the 10th term is 35, what is the first term?
Practice Questions
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Q1
In an arithmetic progression, if the 5th term is 20 and the 10th term is 35, what is the first term?
5
10
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20
Let the first term be a and the common difference be d. From the given terms, we have a + 4d = 20 and a + 9d = 35. Solving these gives a = 10.
Questions & Step-by-step Solutions
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Q
Q: In an arithmetic progression, if the 5th term is 20 and the 10th term is 35, what is the first term?
Solution: Let the first term be a and the common difference be d. From the given terms, we have a + 4d = 20 and a + 9d = 35. Solving these gives a = 10.