Question

find the sum of n term if ap is 1 by 15 1 by 12 and 1 by 10 and so on​

Answer 1

Answer:

1 by 15 = 4 by 60 + 1 by 12 = 5 by 60 + 1 by 10 = 6 by 60 do the sum of these no. is 15 by 60 is divided by 3 so the answer will be 5 by 20