exam Maths Puzzle Numerical Ability

three numbers are such that the second is two less than three times the first and the third is four times the first. the sum of the three numbers is 38. find the largest and smallest numbers?

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exam Other Question
a bag contains 5 red, 6 black, 4 blue, and 3 yellow marbles. Find the probabilty of selecting the following without replacement. Choosing two black marbles? It is estimated that the Earth is losing 4000 species of
plants and animals every year. If S represents the number of species living last
year, how many species are on Earth this year?