How many strings of length 6 can be formedusing letters of the word FLOWER if i) either starts with F or ends with R? ii) neither starts with F nor ends with R? i) either starts with F or ends with R?

How many strings of length 6 can be formed
using letters of the word FLOWER if
i) either starts with F or ends with R?
ii) neither starts with F nor ends with R?
i) either starts with F or ends with R?

Match the items on the right to the items on the left.