HSBC Bank (formerly the Hong Kong Bank of Canada) selected its advertising agency because that agency was "always sensitive to the possibility that something might not translate well or may offend superstitions about colours or numbers." Its advertising agency was responsive to:

The number of black pens sold by shopkeeper B is how much percent of that sold by shopkeeper D?

Number of wallets sold by A on Tuesday is what% of total number of wallet sold by the same store on all the days?

Find the ratio of number of mobile phones sold by shopkeeper C to that by shopkeeper E.

Total girls from school B and D together are what percent of total students from school C and D together?

Find the number of articles sold by shopkeeper D.

What is the total number of female students who took admission in Civil, CS and Biomedical together?

Find the ratio between the number of voters voting in Maharashtra and Uttar Pradesh.

Total number of bags sold by all the shops on Monday is approximately what percent of total number of bags sold by all the shops on Wednesday.