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Ratio and Proportion
Ratio and Proportion
Proportions
Q1.
When x is added to each of 20, 34, 11 and 16, then the numbers so obtained, in this order, are in proportion. Then, if $3x:y::y:(2x-6)$, and $y>0$ what is the value of y?
Ratio and Proportion
Mean Proportion
Q2.
If 276 is the mean proportion between x and 368, what is the value of x?