Sum of first 10 terms in 2, 4, 6, 8, ... is
100
98
105
110
Find the sum of first 10 terms of the A. P.
4 + 6 + 8 + ...............
The sum of the 4th and the 8th terms of an AP is 24 and the sum of its 6th and 10th terms is 44. Find the sum of its first 10 terms.