exam
Maths Puzzle
Numerical Ability
A boy saved $10 in January. Supposed he saved twice as much the previous month, how much will he save at the end of the year?
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B 2b
----+----
b-1 b squared - 1
Multiply.
(root ( 4, 6 ) - root ( 8, 7 )) (root ( 3, 6 ) + root ( 6, 7 ))