Others Maths Puzzle

If JOEJB means INDIA then BSNZ means

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Others Other Question

the average of five number is 27 if one number is excluded the average becomes 25 the excluded number is You are given a match-box and two candles of equal size, which can burn 1 hour each. You have to measure 90 minutes with these candles. (There is no scale or clock). How do you do?