Q. Unified Payment System (UPI), a common platform which links your _________ to a virtual payment address, effectively making money transfer as easy as an SMS.

Answer of this question "Unified Payment System (UPI), a common platform which links your _________ to a virtual payment address, effectively making money transfer as easy as an SMS.", here are 4 choices for this question : Bank Account Number, IFSC Code, Virtual Address, All of the Above.
Answer Is "Bank Account Number".