Achire

This page lists questions and answers that were posted by visitors named Achire.

Questions

The following questions were asked by visitors named Achire.

3. The 5th term of an AP is 8 and the 10th term is -7, find the 20th term and 50th term of an AP.

The sums of the first 8 terms and first 20 terms of an AP are 56 and 260 respectively; find the first term (a) and the common difference (d).

The sum of the first 5 terms of an AP is 40 and the 7th term is equal to 4 times the second term, find the first term (a), common difference (d) and the sum of the second five terms.

Answers

The following answers were posted by visitors named Achire.

4. The sum of the first 5 terms of an AP is 40 and the 7th term is equal to 4 times the second term, find the first term (a), common difference (d) and the sum of the second five terms.