Asked by Anonymous

Find five numbers in A.P. whose sum is 12.5 and the ratio of first to the last is 2 : 3.
Answered by Steve
5/2 (2a+4d) = 25/2
a/(a+4d) = 2/3

a=2 d=1/4

2, 2¼, 2½, 2¾, 3, ...
Answered by Anonymous
Not a correct answer. Very much incorrect. The sum of 5 numbers is not 12.5 but 12 and there is a huge difference between 12.5 and 12.
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