Question

solve number series with detail 15 30 76 189 348 ?

Answer 1

Solution:

The given number series is, 15, 30 76 189 348 ?

First Number= 15$=4^2-1$

Second Number= 30$=6^2-6$

Third number=76$=9^2-1$

Fourth number=189$=(13)^2-7$

Fifth number=348$=(19)^2-13$

Sixth number=?$=(26)^2-k$or $=(25)^2-d$