If the ratio of sum of the first n terms of two Aps is ( 7n +1) : (4n+27) then - Maths - Arithmetic Progressions

Question

If the ratio of sum of the first n terms of two Aps is ( 7n +1) :
(4n+27) then find the ratio of their 12th Ap

Manbar Singh · Accepted Answer

If the ratio of sum of the first n terms of two Aps is ( 7n +1) : (4n+27) then find the ratio of their 12th Ap