tmua.me papers

tmua.me Medium Set A Paper 2 · Q11

Paper 2Sequences & series

A sequence has eight terms, each equal to 00 or 11. Exactly three terms are equal to 11, and no two of these are consecutive.

How many such sequences have at least one of the first and last terms equal to 11?

A44
B1212
C1616
D2020
E3636

Read the questions freely. Sign in to check your answer, see the worked solution and save your progress.