The first term of an arithmetic series is 16 and the last is 60. The
Sum of the arithmetic series is 342. Find the common difference.
Answers
Answered by
4
Answer:
a = 16
a+(n-1)d = 60
ie, 16 + (n-1)d = 60
ie, (n-1)d = 44
Sn = 342
ie, n(16+60)/2 = 342
ie, n= 9
therefore, d= 5.5
Similar questions