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Answer:
here how 60 marks more than khriste means how many 60 more we can first find the 72% of 800=
800÷100×72= 576 number
same in sristhi = 92% of 800= 800÷100×92= 736
now how many 60s increased = 736-576= 160
= 160÷ 60= 2.6 more ANSWER