In an arithmetic series t1 = 25, t3= 23. Find the value of n fo...

In an arithmetic series, the terms of the series are equally spread out. For example, in 1 + 5 + 9 +...

An arithmetic series has third term 11. The ninth term is 5 times the second term. Find the common d...

In an arithmetic series, the 15th term is 43 and the sum of the first 15 terms is 120. Add the firs...

the arithmetic series 1 + 4 + 7 + ....tn has a sum of 1001. how many terms does the series have?

An arithmetic series is such that the 10th term is 40 and the sum of the first 10 terms is 265. Find...

an arithmetic series is such that the ninth term is zero and the sum of first 25 terms is 50.the fir...

In an arithmetic series the 3rd term is -8 and 12th term is -35. Determine the number of terms in th...

The sum of an arithmetic series is1,9,5 of the first term is 5 and the difference is 8,find the numb...

Consider the arithmetic series 2+9+16+ 1. Determine the number of terms in this series 2. Calcul...

In an arithmetic series S5=180=S12,where S5 and S12 are the sums of five and twelve terms respecti...

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