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In an arithmetic progression, if the sum of the first 10 terms is 250, what is the first term if the common difference is 5?

Practice Questions

1 question
Q1
In an arithmetic progression, if the sum of the first 10 terms is 250, what is the first term if the common difference is 5?
  1. 15
  2. 20
  3. 25
  4. 30

Questions & Step-by-step Solutions

1 item
Q
Q: In an arithmetic progression, if the sum of the first 10 terms is 250, what is the first term if the common difference is 5?
Solution: Using the formula S_n = n/2 * (2a + (n-1)d), we can substitute n = 10 and d = 5 to find a = 20.
Steps: 0

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