exam
Maths Puzzle
Numerical Ability
three quarters of a number is 21. find the number
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exam Other Question
Given
x3-64 = ( x+a ) ( x2+bx+c )
what are the values of a, b and c. Enter your answer as a list [in brackets], in the form: [a, b, c]
1) Solve x2-2x-3>0.
a. (-3, 1)
b. (-1, 3)
c. (- ∞ , -3) U (1, ∞ )
d. (- ∞ , -1) U (3, ∞ )