🔴RRB Math Practice | Percentage | Profit & Loss |LCM & HCF Questions with Tricks #rrb #maths #ntpc#2024 #tricks #percentage #profit_and_loss #lcmhcf
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Prepare for RRB JE exams with this focused math practice session! In this video, we tackle Percentage, Profit & Loss, and LCM & HCF questions that frequently appear in exams. Get ready to solve with ease as we share important formulas, tips, and shortcut tricks! 📝
👉 Topics covered:
Percentage: Key formulas and quick methods
Profit & Loss: Shortcuts for fast calculation
LCM & HCF: Important concepts and tricks
Ace your RRB JE preparation with these targeted questions and boost your speed and accuracy! 🚀💯
Questions ✅ ✅ ✅
1. If 15% of 55% of a number is 2475, then 41% of that number is:
2.A number is increased by 10% and then decreased by 10%. It is again increased by 20% What is the net change in percent?
3. A basket contains 350 eggs. If 12% of the eggs are rotten, how many eggs are good enough to be sold?
4. In an election contested by two candidates, one candidate got 45% of total votes and still lost by 300 votes, then find the total number of votes cast.
5. Raj's income is Rs. 45,000 and his expenditure is Rs. 33,000. If his income is increased by 20% and expenditure by 12%, then what will be the percentage increase in saving?
6. In a class, if 55% of the students are boys and the number of girls is 90, then find the number of boys.
7. If the salary of A is 60% less than that of B, then by how much percent is the salary of B more than that of A? 1. 60%
8. A saves 18% of his income. If his income increases by 41% and still saves the same amount, Find the percentage Increase In his expenditure.
9. A student who scores 25% fails by 15 marks, while a student who receives 75% surpasses the passing standard by 35%. Determine the highest possible score.
10. Patels' monthly income first gets increased by 20% in the month of August followed by 10% increase in the month of September. What is the overall percentage increase in Patels' income?
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Questions ✅
1. A student has to score 40% of marks to pass. If he gets 40 marks and fails by 40 marks, then find the maximum marks set for the examination.
2. The cost of a washing machine is Rs. 25,000. The cost was first increased by 20% and later on it was reduced by 20%. The present cost of the washing machine is:
3. In an election between two candidates, the one who gets 58% of the votes polled is elected by a majority of 4,032 votes. What is the total number of votes polled?
4. The population of a village increases by 12½ % in the first year and decrease by 8% in the second year. If the present population of village is 3200, then what will be the population of the village after 2 years?
5. The price of a commodity increases by 10% from 2020 to 2021 and it again increases by 15% from 2021 to 2022. The difference in the prices in 2020 and 2022 is Rs. 35. What is the price of the commodity (in Rs.) in 2021 (rounded up to one decimal place)?
6. If an electricity bill is paid before the due date, one gets a reduction of 5% on the amount of the bill. If a person gets a reduction money of Rs. 350, then the amount of electricity bill is:
7. The population of a city increases at a rate of 2% for the first 2 years and then, decreases at a rate of 4% for the third year. What will be the population after 3 years if the present population of the city is 62,500?
8. A man spends 31% and 9% of his monthly income on food and clothing, respectively, and one third of the remaining on the education of children. He saves Rs. 4,500 per month, which is equal to half the balance after spending on food, clothing and education of children. His monthly salary is:
9. The population of a town in the first year increases by 15%, and in the next year, it decreases by 10%. Once again in the third year, it increases by 5%. If the present population is 80,000, what will be the population of the town after 3 years?
10. The ratio of the monthly expenses to the monthly savings of Anup is 5: 3. If his monthly expenses increase by 54% and his monthly income increases by 46%, then there is an increase of Rs. 4,900 in his monthly savings. What was Anup's monthly income before the increase?
Questions ✅
1. Number B is 17.5% less than number A, while number C is 22.5% more than number B. If the value of C is given as 8085, what is the value of A?
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