Sunita appeared for a test consisting of 260 questions and answered 40% of the first 130 questions correctly. What percentage of the rest 130 questions must she answer correctly so as to score 60% in the entire test?
‘U + W’ means ‘U is the father of W’;
‘U - W’ means ‘U is the wife of W’;
‘U x W’ means ‘U is the brother of W’; and
‘U ÷ W’ means ‘U is the daughter of W’.
If ‘K ÷ L + M + N’, then how is K related to N?