During demonetization period, RBI instructed banks to provide at least _______

Q Who designed the famous Sagrada Familia church in Barcelona?
Q Are you a U.S. citizen?
Q Your SQL Server 2005 Express Edition locks up frequently and cannot be accessed. How can you enable the dedicated administrator connection?
Q Can you shift to another city?
Q Why isn't string -> date conversion provided by default?
Q How would you implement your own ThreadPool in Java ? Discuss the designing part?
Q Which part of growing part of elephant teath–
Q How to maintain global variable when script is run thru test plans?
Q What two countries did the Titanic visit after leaving Southampton on its doomed maiden voyage?
Q What is the used of economizer in boiler?
Q X,Y and Z are senior engineers. A,B,C,D are junior engineers. Company wants to select 4 enginers. Two will be senior and two will be juniors. The company wants these engineers to work in the most productive way so they respect each person's likes/dislikes. Y is not friends with A Z is not friends with C B is not friends with A D is always selected if ___ is selected?