Q. Solve this: Share with your friends Share 0 Neha Sethi answered this Dear student First we will make 2 parts in this series.27,30,33,3630-27=333-30=336-33=3Now, 25,23,21,?25-23=223-21=2So, 2 is common difference in this part of series so21-2=19So, missing number is 19. Regards 0 View Full Answer Ankita Nandan answered this The missing place is 29. regards 1 Ankita Nandan answered this hope it helps and clears your doubt 1