8th Class
Mathematics
Related to Competitive Exam
Question Bank
Arithmetic
question_answer
DIRECTIONS: Reade the following passage and answer the questions that follow. PASSAGE - 1 If \[=P{{\left( 1+\frac{R}{100} \right)}^{n}}\] is the value of an article at certain time which increases at the rate of \[=\frac{R}{{{\left( 1+\frac{R}{100} \right)}^{n}}}\]for first \[{{R}_{1}}%\]years and decreases at the rate of \[{{R}_{2}}%\] for next \[=P\left( 1+\frac{{{R}_{1}}}{100} \right)\times \left( 1+\frac{{{R}_{2}}}{100} \right).\] years, then the value of the article V at the end of \[=P{{\left( 1-\frac{R}{100} \right)}^{n}}.\] years is given by \[=\frac{P}{{{\left( 1-\frac{R}{100} \right)}^{n}}}\] Consider the following statements (i) If two quantities varies directly with each other, then their product is constant, (ii) If two quantities varies inversely with each other, then their ratio is constant. Which of the statements given above is/are correct