exam
Maths Puzzle
Numerical Ability
seven years ago,mary was 6times as old as cora.in one year,she will be only twice as old as cora.find their present ages
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exam Other Question
In an election, it was estimated that person A would receive 200 of the 300 electoral votes. What was the standard error? This question is due on day 6.
[(2xy)3]4