Mathematics · Quantitative Aptitude
Ratios and Proportions
302 Questions
Ratios and proportions deal with comparing two or more quantities and finding their relationships. The questions involve calculating compound ratios, duplicate ratios, and solving proportional equations. This topic is a crucial part of the mathematics and quantitative aptitude sections in competitive exams.
compound ratiosduplicate ratiosproportion equationssimple ratio calculationscombining multiple ratios
Ratios and Proportions Questions
What is the ratio of two consecutive Fibonacci numbers?
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$$\frac{1}{\phi}$$
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$$\phi$$
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$$\phi^2$$
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$$\frac{1}{\phi^2}$$
B
Correct answer
Explanation
The ratio of two consecutive Fibonacci numbers approaches the golden ratio, which is approximately 1.618.
What is the relationship between the Fibonacci sequence and the golden ratio?
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The golden ratio is the limit of the ratio of consecutive Fibonacci numbers.
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The golden ratio is the sum of the first two Fibonacci numbers.
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The golden ratio is the difference of the first two Fibonacci numbers.
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The golden ratio is the product of the first two Fibonacci numbers.
A
Correct answer
Explanation
The golden ratio is the limit of the ratio of consecutive Fibonacci numbers as the numbers get larger.
What is the formula for calculating the odds ratio?
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Odds Ratio = (Odds of disease in exposed / Odds of disease in unexposed)
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Odds Ratio = (Risk Ratio - 1) / Risk Ratio
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Odds Ratio = (Relative Risk - 1) / Relative Risk
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Odds Ratio = (Attributable Risk / (1 - Attributable Risk))
A
Correct answer
Explanation
Odds Ratio is calculated by dividing the odds of disease in exposed individuals by the odds of disease in unexposed individuals.
What was the ratio of gold to silver in punch-marked coins?
A
Correct answer
Explanation
The ratio of gold to silver in punch-marked coins was 1:10.
What is the Golden Ratio?
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The ratio of two numbers that is equal to the ratio of their sum to the larger number.
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The ratio of two numbers that is equal to the ratio of their difference to the smaller number.
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The ratio of two numbers that is equal to the ratio of their product to the larger number.
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The ratio of two numbers that is equal to the ratio of their quotient to the smaller number.
A
Correct answer
Explanation
The Golden Ratio is a special number approximately equal to 1.618. It is the ratio of two numbers that is equal to the ratio of their sum to the larger number.
What is the formula for calculating the Debt-to-Equity Ratio?
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Debt-to-Equity Ratio = Total Debt / Total Equity
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Debt-to-Equity Ratio = Total Equity / Total Debt
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Debt-to-Equity Ratio = Total Debt + Total Equity
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Debt-to-Equity Ratio = Total Equity - Total Debt
A
Correct answer
Explanation
The formula for calculating the Debt-to-Equity Ratio is Debt-to-Equity Ratio = Total Debt / Total Equity.
According to the Golden Ratio, what is the ideal proportion found in nature and art?
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1:1.618
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1:1.414
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1:1.732
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1:1.848
A
Correct answer
Explanation
The Golden Ratio, also known as the Divine Proportion, is approximately 1:1.618. It is believed to be aesthetically pleasing and has been observed in various natural forms and artistic compositions.
What is the Golden Ratio?
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A ratio of two numbers that is equal to the ratio of their sum to the larger number
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A ratio of two numbers that is equal to the ratio of their difference to the smaller number
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A ratio of two numbers that is equal to the ratio of their product to their sum
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A ratio of two numbers that is equal to the ratio of their quotient to their product
A
Correct answer
Explanation
The Golden Ratio is a special ratio that is often found in nature and art. It is approximately equal to 1.618.
What is the golden ratio?
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A mathematical ratio of approximately 1.618:1.
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A mathematical ratio of approximately 1.732:1.
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A mathematical ratio of approximately 1.846:1.
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A mathematical ratio of approximately 1.963:1.
A
Correct answer
Explanation
The golden ratio is a mathematical ratio of approximately 1.618:1. It is often used in art and design to create compositions that are visually appealing.
What is the golden ratio?
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A mathematical ratio that is approximately equal to 1.618.
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A mathematical ratio that is approximately equal to 1.732.
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A mathematical ratio that is approximately equal to 1.846.
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None of the above.
A
Correct answer
Explanation
The golden ratio is a mathematical ratio that is approximately equal to 1.618.
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The ratio of the income share of the top 10% to the bottom 10%
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The ratio of the income share of the top 1% to the bottom 1%
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The ratio of the income share of the top 0.1% to the bottom 0.1%
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The ratio of the income share of the top 0.01% to the bottom 0.01%
A
Correct answer
Explanation
The Palma ratio is a measure of economic inequality that compares the income share of the top 10% of the population to the income share of the bottom 10% of the population.
The 'Golden Ratio', approximately equal to 1.618, is considered aesthetically pleasing and is often used in:
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Indian classical dance choreography
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Indian miniature painting compositions
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Indian temple architecture proportions
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All of the above
D
Correct answer
Explanation
The Golden Ratio, also known as the Divine Proportion, is believed to possess inherent beauty and harmony. It is found in various aspects of Indian art, including dance, painting, and architecture.
The Golden Ratio, often denoted by the Greek letter φ, is approximately equal to:
A
Correct answer
Explanation
The Golden Ratio is an irrational number approximately equal to 1.618. It is often found in nature and art and is considered aesthetically pleasing.
In architecture, the concept of Golden Ratio is often used to create aesthetically pleasing designs. What is the approximate value of the Golden Ratio?
A
Correct answer
Explanation
The Golden Ratio, also known as the Divine Proportion, is an irrational number approximately equal to 1.618. It is often used in architecture, art, and design to create visually appealing compositions.
Which cropping technique is based on a mathematical ratio of 1:1.618?
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Center cropping
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Rule of thirds cropping
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Golden ratio cropping
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Square cropping
C
Correct answer
Explanation
The golden ratio, also known as the divine proportion, is a mathematical ratio of approximately 1:1.618. Golden ratio cropping involves dividing the image into sections based on this ratio, creating a visually pleasing composition.