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Maths Puzzle
Numerical Ability
What is the solution to
(log base 16 of x) + (log base 4 of x ) + (log base 2 of x) = 7
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The sum of the counting numbers from 1 to 5 can be represented by drawing a triangle of dots as shown at left. A rectangle can be formed by copying the triangle and rotating it. Th
Tony is 6 years older than his brother. 4 years ago, he was twice as old
How old is Tony
How old is his brother