Question
Salaries of A and B are in the ratio 5 : 7. If A’s
salary increases by 20% and B’s salary decreases by 10%, what is the new ratio?Solution
ATQ, Let original salaries be 5 and 7. A after 20% increase: 51.2 = 6 B after 10% decrease: 70.9 = 6.3 New ratio = 6 : 6.3 Multiply by 10 => 60 : 63 Divide by 3 => 20 : 21
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State true/false
Approach to Data mining is Infrastructure, exploration, analysis, interpretation and exploration.
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