there are four quality inspectors inspecting boxes.
a batch of boxes is numbered in order from 1 to 2500. each inspector is inspecting 1 part
-Every 5th box has it's sticker inspected
-every 7th box has it's cardboard inspected
-Every 17th box has it's logo logo inspected
-Every 23rd box has it's packaging inspected
Q) Explain why no box is checked by all 4 inspectors
Q) Make a list of the numbers of all the boxes which are checked by 3 inspectors
I'm having a lot of trouble with this so your help will be appreciated!