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If Ram scored 48% marks and failed by 14 marks, what were the passing marks in the test?
If Ram scored 48% marks and failed by 14 marks, what were the passing marks in the test?
What fraction of women in a company earn Rs. 30,000 or less if 60% of employees are men and 55% earn more than Rs. 30,000?
What fraction of women in a company earn Rs. 30,000 or less if 60% of employees are men and 55% earn more than Rs. 30,000?
If a bus travels 40% more diesel at 80 kmph than at 60 kmph, how far can it go on 10 litres at the higher speed?
If a bus travels 40% more diesel at 80 kmph than at 60 kmph, how far can it go on 10 litres at the higher speed?
What will be the percentage decrease in expenditure if the price decreases by 4% and consumption by 8%?
What will be the percentage decrease in expenditure if the price decreases by 4% and consumption by 8%?
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If the length of a rectangle increases by 6% and the breadth decreases by 5%, what is the overall area change?
If the length of a rectangle increases by 6% and the breadth decreases by 5%, what is the overall area change?
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What is the weight of dry grapes obtainable from 40 kg of fresh grapes, given that fresh grapes contain 80% water?
What is the weight of dry grapes obtainable from 40 kg of fresh grapes, given that fresh grapes contain 80% water?
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What is the original price of a bicycle if it increases by 9.09%, then by 8.33%, and finally by 7.7% to reach Rs. 1,274?
What is the original price of a bicycle if it increases by 9.09%, then by 8.33%, and finally by 7.7% to reach Rs. 1,274?
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What is the percentage change in expenditure on petrol if its price rises by 25% but the consumption reduces by 25%?
What is the percentage change in expenditure on petrol if its price rises by 25% but the consumption reduces by 25%?
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What percentage decrease in the volume of a right circular cylinder results from a 10% increase in radius and a 20% decrease in height?
What percentage decrease in the volume of a right circular cylinder results from a 10% increase in radius and a 20% decrease in height?
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If the price of sugar is raised by 10%, by what percentage must a person reduce their sugar consumption to maintain the same expenditure?
If the price of sugar is raised by 10%, by what percentage must a person reduce their sugar consumption to maintain the same expenditure?
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What must be the percentage change in breadth if the length of a rectangle is increased by 20% to achieve a 10% increase in area?
What must be the percentage change in breadth if the length of a rectangle is increased by 20% to achieve a 10% increase in area?
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If A earns 33.33% more than B, how much less does B earn than A in percentage terms?
If A earns 33.33% more than B, how much less does B earn than A in percentage terms?
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After selling a certain percentage of cocks annually, which condition holds true if a poultryman has the same number of cocks after 4 years?
After selling a certain percentage of cocks annually, which condition holds true if a poultryman has the same number of cocks after 4 years?
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What is the increased price per kg of sugar if there's a 21% price increase leading to a 10.5 kg decrease in purchase for Rs. 1,600?
What is the increased price per kg of sugar if there's a 21% price increase leading to a 10.5 kg decrease in purchase for Rs. 1,600?
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If Simple Interest earned is 9/16th of the principal and the rate and time are equal, what are those values?
If Simple Interest earned is 9/16th of the principal and the rate and time are equal, what are those values?
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How much should one deposit to earn Rs. 1,520 as Simple Interest over 6 years with varying interest rates?
How much should one deposit to earn Rs. 1,520 as Simple Interest over 6 years with varying interest rates?
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What is the amount that became 8 times the original investment if it doubles in 7 years under compound interest?
What is the amount that became 8 times the original investment if it doubles in 7 years under compound interest?
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What is the principal amount if the difference between compound interest and simple interest for 2 years at a rate of 5% is Rs. 100?
What is the principal amount if the difference between compound interest and simple interest for 2 years at a rate of 5% is Rs. 100?
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If the compound interest for 2 years at a rate of 10% is Rs. 420, what is the simple interest for the same period?
If the compound interest for 2 years at a rate of 10% is Rs. 420, what is the simple interest for the same period?
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If a certain amount compounds annually and increases from Rs. 1,440 to Rs. 1,728 in 1 year, what is the annual interest rate?
If a certain amount compounds annually and increases from Rs. 1,440 to Rs. 1,728 in 1 year, what is the annual interest rate?
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What is the minimum total of 'x + y' if the percentage of fools in a class is 22.1875?
What is the minimum total of 'x + y' if the percentage of fools in a class is 22.1875?
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In the scenario of the Bahumukhi Party's election results, if there were 2,60,000 voters and its vote margin doubled, what was the number of votes for it in the previous general election?
In the scenario of the Bahumukhi Party's election results, if there were 2,60,000 voters and its vote margin doubled, what was the number of votes for it in the previous general election?
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If 75% of 160 students had no prior work experience and 80% of those with experience are engineers, what is the minimum number of engineers without prior work experience?
If 75% of 160 students had no prior work experience and 80% of those with experience are engineers, what is the minimum number of engineers without prior work experience?
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What is the total number of questions across four passages if the number of questions is 5, 8, 8, and 6 respectively?
What is the total number of questions across four passages if the number of questions is 5, 8, 8, and 6 respectively?
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Study Notes
Arithmetic - 1
- Percentage calculations: Key concept for many problems.
- Simple Interest (SI)/Compound Interest (CI): Essential for financial calculations.
- 30 questions: total number of questions in the set.
- Ram's test score: Ram scored 48%, failing by 14 marks. Scored 51% and would have passed by 7 marks. Find the pass marks. Answer: 350.
- Bus traveling: A bus uses 40% more diesel at 80 kmph than at 60 kmph. At 60 kmph, the bus travels 22.4 km/liter. How far can the bus travel on 10 liters at 80 kmph? Answer: 140.
- Employees: 60% of employees are men, and 75% of the men earn over Rs. 30,000 per year. 55% of all employees earn over Rs. 30,000. What fraction of the women earn Rs. 30,000 or less? Answer: 1/10 .
- Watermelon: A watermelon loses water content from 85% to 80% in three days. 3 kg of water evaporates. Find initial weight. Answer: 60 kg.
- Fresh grapes: Fresh grapes are 80% water. Dried grapes are 20% water. Find weight of dry grapes from 40 kg of fresh grapes. Answer: 8 kg.
- Bicycle price increase: Bicycle price increased by 9.09%, then 8.33%, then 7.7%. Final price Rs. 1274. Find original price.
- Expenditure change: Price per unit decreases 4%, and consumption decreases 8%. Find percent change in total expenditure. Answer: 12%.
- Rectangle dimensions: Rectangle length increases 6%, width decreases 5%. Percentage change in area. Answer: 1%.
- Cuboid volume: All sides of a cuboid increase 4%. Find the percent change in volume. Answer:12.49%.
- Petrol price: Petrol price increases 25%, consumption decreases 25%. Percentage change in expenditure. Answer: 6.25% decrease.
- Cylinder radius: Cylinder base radius increases 10%, height decreases 20%. Find percent change in area and volume. Answer: 10% increase for area and 5.6% decrease in volume.
- Sugar price: Price of sugar increases 10%. How much must consumption decrease to keep expenditure the same. Answer: 9.09%.
- Simple interest calculation: Simple interest on a sum, equals 9/16th of the sum. Find rate and time.
Additional Topics
- Higher education expense planning: Mrs. Gupta planning for two sons' university expenses.
- CAT exam analysis: Vaibhav solving CAT math questions.
- Time management: Techniques in time management for CAT examination.
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Description
Test your skills in basic arithmetic concepts such as percentage calculations, simple and compound interest, and practical applications in real-life scenarios. This quiz consists of 30 diverse questions to challenge your understanding and application of these essential mathematical principles.
