exam
Maths Puzzle
Numerical Ability
If Martin was four times as old as Gary 8 years ago and if Martin will be twice as old as Gary 8 years hence, find their ages.
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exam Other Question
A cross - country race covers a course which takes the shape of a triangle, KLM. Runners are to start at K and run 4km due north to a point L.
From L, they are to run 5km
i need help not with the answer being gave but how to do it all together.
What is the average (arithmetic mean) of 8, 7, 7, 5, 3, 2 and 2?