Guglielmo Marconi, the pioneer scientist, used radio waves to transmit signals over several kilometers in the 1890s. He is renowned for his groundbreaking work in the development of wireless telegraphy and radio communication. Marconi's experiments and innovations in the transmission and reception of radio waves paved the way for modern wireless communication technology and earned him the title of the father of radio.
The number of terms in the sequence 5, 20, 80, 320,……………., 5120 is:
1930 1805 1589 1246 734 ?
...4 14 44 124 404
...362Â Â Â 284Â Â Â 393Â Â Â Â 451Â Â Â Â 144Â Â Â Â Â 221
...4 ? 113 449 1343 2681
...61 71 86 ? 131 161
...13 182 303 384 433 ?
...157, 159, 189, 319, ‘?’, 1 407 , 2749 Â
18Â Â Â Â Â Â Â Â Â Â 434Â Â Â Â Â Â Â Â 642Â Â Â Â Â Â Â Â 746Â Â Â Â Â Â Â Â 798Â Â Â Â Â Â Â Â ?
...440                 482              526                  572                ?  Â...
