exam
Maths Puzzle
Numerical Ability
Lucy is 4 times as old as Amy. Three years ago, Lucy was 13 times as old as Amy. How old is Lucy now?
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exam Other Question
Solve.
y-1/y+8 - 1/6
Factor: st + 5b – bs – 5t
A) (s – 5)(t + b)
B) (s – 5)(t – b)
C) (s + 5)(t – b)
D) The expression is prime.