0 votes 0 votes Look at this series: F2, __, D8, C16, B32, ... What number should fill the blank? Quantitative Aptitude sequences&series + – go_editor asked Jan 31, 2017 go_editor 13.8k points 647 views answer comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Here the letters decrease by 1; the numbers are multiplied by 2. $(F-1)(2\times2)=E4$ $(E-1)(4\times2)=D8$ $(D-1)(8\times2)=C16$ $(C-1)(16\times2)=B32$ Leen Sharma answered Feb 1, 2017 Leen Sharma 11.5k points comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Alphabets are written in the reverse pattern, the number is in $2^n,n=1,2,3,4….$ that is; $F2\rightarrow F 2^1$ $E4\rightarrow (F-1) 2^2$ $D8\rightarrow (E-1)2^3$ $C16\rightarrow (D-1)2^4$ $B32\rightarrow (C-1)2^5$ So the missing term is $E4.$ Hira Thakur answered Apr 20, 2023 Hira Thakur 7.1k points comment Share See all 0 reply Please log in or register to add a comment.