Student or Learner
Please answer the following simple question.
Lets says I want to know which card customer is using like "Credit, Debit, Paypal.".
Which is your card?
Could you please tell me which card?
What's your card?
May I know which card?
Please let me know, which of the following sentence is correct?
I appreciate any sort of help you can provide!
"What type of card is it?"