A man sells an article at a profit of 25% if he had brought it at 20% less and sold it for $10.50 less , he would have gained 30% . find the cost price of the article?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
A man sells an article at a profit of 25% if he had brought it at 20% less and sold it for $10.50 less , he would have gained 30% . find the cost price of the article?
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