Correct Answer: $\frac{1}{2}$

Solution : Given that $\frac{2+a}{a}+\frac{2+b}{b}+\frac{2+c}{c}=4$, we can rewrite this equation as:
$⇒\frac{2}{a}+1+\frac{2}{b}+1+\frac{2}{c}+1=4$
Simplifying, we get:
$⇒\frac{2}{a}+\frac{2}{b}+\frac{2}{c}=1$
Multiplying through by $abc$, we get:
$⇒2bc+2ac+2ab=abc$
Rearranging terms, we get:
$⇒abc=2(ab+bc+ca)$
$\therefore\frac{ab+bc+ca}{abc}=\frac{1}{2}$
Hence, the correct answer is $\frac{1}{2}$.

Correct Answer: Both statements are true.

Solution : The correct answer is (A) Both statements are true.

Statement 1: If a good is a luxury, its demand is generally elastic. This statement is true. Luxury goods are often associated with higher income levels and are considered non-essential or discretionary purchases.

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Both MSc Biochemistry and MSc Bioinformatics have their own unique advantages and scope in their respective fields. It ultimately depends on your interests and career goals. MSc Biochemistry focuses on the study of chemical processes in living organisms, while MSc Bioinformatics combines biology, computer science, and statistics to analyze

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You can pursue a Ph.D. in biotechnology after earning an M.Sc. in bioinformatics, yes. The Ph.D. program in biotechnology can be completed in three to six years. The candidates' master's degree grades must range from 50 to 56 percent. Admission is typically determined by an entrance exam. The

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