IBM Company Verbal Ability One Word Substitution

Which is the correct way to end business letter?
1)regards
2)sincerely
3)respectfully
4)both 1 and 2
5)both 2 and 3

Read Solution (Total 7)

IBM Other Question

It is considered a breach of etiquette to have documents signed by administrative assistant, TRUE Or FALSE?? Whether assistant can sign on behalf of administrative officer true or false?