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Maths Puzzle
Numerical Ability
what is the ratio of the area of a square that circumscribes a circle to the area of a square that inscribes the same circle?
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book Other Question
x-2y<4
x>1
how to solve it!
Find the missing factor:
(6x4) (to the 4th power) = (3x3) (to the 3rd power) = ( )
-35x2y (to the 2nd power)= (-5xy) = ( )