exam
Maths Puzzle
Numerical Ability
I really need help:
In 5 years Chim will be three times as old as Jared. The sum of their ages is 42. How old are Chim and Jared.
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exam Other Question
Identify probability values.
Which of the following values cannot be probabilities? and why?
0, 1, -1, 2, 0.0123, 3/5, 5/3,
Solve the quadratic equation.
4x^2 = 13x + 12
Please help! I broke it down into (2x-12)(2x+1) but using the FOIL method, it turns out to be -20x instead of -13x. Please help! Thanks!