Answer to Question #29587 in Algebra for Amit Jaiswal

Question

1.The sum of 4 numbers in an arithmetic progression is 24 and product is 945. Find them.
2. The 3rd term of an a.p. is 18 and 7th term is 30. Find the sum of 17 terms.
3.Sum of three number in a.p is 15 and sum of the squares of its 1st and 3rd term is 58. Find the number.
4. There are n arithmetic means between 3 and 54. If 8th arithmetic mean bears a ratio of 3:5 to n-2th arithmetic mean,find n.
5.Between two numbers whose sum is 13/6, an even arithmetic mean is inserted. the sum of these exceeds the number by unity, how many means are there.

Plz ans fast