[" In an arithmetic progression,the "24" th term is "],[100" .Then,the sum of the first "47" terms of the "],[" arithmetic progression is "]

In an artimetic progression, the 24th term is 100. Then, the sum of the first 47 terms of the arithmetic progression is

The sum of the fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first 15 terms of the arithmetic progression?

The sum of the fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first 15 terms of the arithmetic progression?

In an arithmetic progression, if the kth term is 5k +1 then the sum of first 100 terms is

The 30th term of the arithmetic progression 10, 7, 4 is

Let S_1 be the sum of first 2n terms of an arithmetic progression. Let S_2 be the sum first 4n terms of the same arithmeti progression. If (S_(2)-S_(1)) is 1000, then the sum of the first 6n term of the arithmetic progression is equal to :

If the sum of the first 100 terms of an arithmetic progression is -1 and the sum of the even terms is 1, then the 100^("th") term of the arithmetic progression is

If the sum of the first 100 terms of an arithmetic progression is -1 and the sum of the even terms is 1, then the 100^("th") term of the arithmetic progression is

Find the 15th term of the arithmetic progression 10, 4, -2, ….