Book Maths Puzzle

4,8,28,80,244,?

Read Solution (Total 3)

Book Other Question

1,1,2,8,64,? There are 6 tasks and 6 persons. Task 1 cannot be assigned either to person 1 or to person 2; task 2 must be assigned to either person 3 or person 4. Every person is to be assigned one task. In how many ways can the assignment be done?