C-13-Q126mediumsingle_mcqThe sum of the first 555 terms of 16+8+4+2+1+⋯16 + 8 + 4 + 2 + 1 + \cdots16+8+4+2+1+⋯ is —a313131b323232c303030d3333ব্যাখ্যাWith a=16, r=12a=16,\ r=\tfrac12a=16, r=21, the first five terms are 16+8+4+2+1=.