exam Maths Puzzle Numerical Ability

in 1993, the life expectancy of males in a certain counrty was 71.3 years. In 1999, it was 73.7 years. Let E represent the life expectancy in years t and let t represent the number

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exam Other Question

water volumes increases 9% when it freezes.If 400 cm cube of water are frozen,hw much will the volume increase?what will be the volume of the ice? the sum of two numbers is 28,and there product is 7.find the sum of the reciprocals of the numbers.