exam
Maths Puzzle
Numerical Ability
x^2+y^2=6y sketch the graph of the equation. This is one of the questions that are difficult for me
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A girl is now one-fourth as old as her father, and in seven years she will be one-half as old as her father was twelve years ago. Find their present ages.
The points with coordinates (ab)(a',b')(a",b")are points of a parabola y=3xsquared. The numbers a,a',a'' constitute a arithmetic sequence and b,b',b" form a goemetric sequence. C