exam Maths Puzzle Numerical Ability

solve these word problems :


1)A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2 degrees K. Find the

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exam Other Question
Billy is twice as old as his son,In 10 years,the ratio of their ages is 3:5.Find their present ages. find x
m<4=-x+25 m<7=5x+23