m4maths
Maths Puzzle
A positive number is equal to the sum of all numbers after it in a geometrical progression. Common difference of GP will be
Read Solution (Total 1)
-
- Ans-1/2
let GP be, a,ar,ar^2,ar^3...
and, a=ar+ar^2+ar^3+....(according to ques)
so a=ar[r/(1-r)] - 11 years agoHelpfull: Yes(5) No(0)
m4maths Other Question