exam
Maths Puzzle
Numerical Ability
(x/2)+ (196-x/4)=74
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exam Other Question
5-x=7+2x-4
what is x
the sqrt of x cubed =27
cubed x squared = 9
is x squared to the 2nd power = x an identitu (true for all nonnegative values of x)?
Please help me to understand. Thanks