Practice Percentage Questions and Answers

• 40% of a neighborhood likes gardening and 60% likes DIY projects. If 25% enjoy both and the other 20 neighbors like neither, find the total number of neigh...
• In a small town, 50% of the people like fishing, 70% like hiking, and 30% like both. If the remaining 21 people don't like either activity, how many people...
• A bulb-producing company found 17% of the total product defective. If the total number of nondetective products is 4565, then specify the number of total d...
• The station master decides that the length of the rectangular digital board be increased by 5% and the width be reduced to 7%. Find out the total change in...
• In a company, the ratio of engineers to administrators is 4:1. 15% of engineers and 20% of administrators are involved in a project, and 25% of the remaini...
• In a hospital, the ratio of nurses to doctors is 5:2. 30% of nurses and 40% of doctors are working in the emergency department, and 20% of the remaining st...
• Find the value of x if, 25% of 80 = 225 – x% of 440.
• A software company had 'p' lines of code in their codebase in 2019. It increased by 30% in 2020 and then by another 20% in 2021. In 2022, the lines of code...
• A school's enrollment of students increased by 10% in 2015, another 20% in 2016, and then decreased by 30% in 2017. If the percentage of students receiving...
• In 2018, an online course had 'r' subscribers. Subscribers increased by 50% in 2019 and another 25% in 2020. However, in 2021 subscribers decreased by 40%....
• If a company decreases its number of workers by 50% and increases the remaining employees' salaries by 50%, resulting in a decrease of Rs. 25,000 in total ...
• Raj has 120 kg of apples (rotten and fresh). He sold 30% of the total apples such that out of the remaining apples, 20% are rotten. Find the percentage of ...
• Sara has 150 kg of oranges (rotten and fresh). She sold 50% of the total oranges such that out of the remaining oranges, 30% are rotten. Find the percentag...
• Raj scored 30% marks in a test and failed by 40 marks, while Meena scored 50% marks in the same test and failed by 10 marks. Find the passing marks of the ...
• Simran scored 25% marks in a test and failed by 50 marks, whereas Neil scored 40% marks in the same test and failed by 20 marks. Find the passing marks of ...
• Amit scored 10% marks in a test and failed by 70 marks, while Lisa scored 30% marks in the same test and failed by 30 marks. Find the passing marks of the ...
• Bella scored 20% marks in a test and failed by 75 marks, whereas Tara scored 40% marks in the same test and failed by 25 marks. Find the passing marks of t...
•  If the price of sugar increases by 40%, by what percentage should a family reduce its sugar consumption so that the family's expenses do not increase?...
• The stock of rice in a shop has increased by 25%. What percentage of the stock of rice should be sold so that the stock again becomes as much as it was in ...
• Vishnu purchased a new plot that needed to be fenced immediately, thereby reducing the length and width of the rectangular workplace by 2% respectively. Fi...
• Monthly income of Aisha and Tom is Rs. 75,200 and Rs. 82,000 respectively. Aisha spends 13%, 18%, and 22% on house rent, food, and education of children re...
• Monthly income of Eric and Olivia is Rs. 71,200 and Rs. 78,500 respectively. Eric spends 9%, 16%, and 18% on house rent, food, and education of children re...
• Total number of students in a class is 2400, and the ratio of number of boys to girls is 3:5. If the number of boys and girls is increased by z% and (z –...
• Total number of students in a class is 1920, and the ratio of number of boys to girls is 7:9. If the number of boys and girls is increased by a% and (a –...
• Total number of students in a class is 2160, and the ratio of number of boys to girls is 2:3. If the number of boys and girls is increased by b% and (b –...
• In class ‘C’, the number of girls is 25% more than that of boys while in class ‘D’ the number of girls is 40% more than that of boys. If the total ...
• 20% students (boys + girls) in a sports class are boys. Out of total boys, 45% are literate and 55 are illiterate. Find the number of literate girls in the...
• 40% students (boys + girls) in a science class are boys. Out of total boys, 60% are literate and 120 are illiterate. Find the number of literate girls in t...
• 50% students (boys + girls) in a math class are boys. Out of total boys, 65% are literate and 70 are illiterate. Find the number of literate girls in the c...
• A number is first increased by 50% and then decreased by 50%. If the net change in the number is 400, then find the original number.
• A number is first increased by 25% and then decreased by 25%. If the net change in the number is 187.5, then find the original number.
• Income of Priya is Rs. 45,600, out of which she spent 30% on daily expenses, 15% on phone bills and saves the rest. If her income is increased by 12% and s...
• Income of Ravi is Rs. 52,800, out of which he spent 35% on daily expenses, 5% on phone bills and saves the rest. If his income is increased by 15% and he s...
• Income of Neha is Rs. 39,000, out of which she spent 40% on daily expenses, 5% on phone bills and saves the rest. If her income is increased by 20% and she...
• Out of his total income, Rahul spent 25% on rent, 35% of the remaining income on groceries, and saved 60% of the income left after his expenses.
• Out of her total income, Priya spent 20% on rent, 50% of the remaining income on groceries, and saved 40% of the income left after her expenses.
• Out of her total income, Neha spent 40% on rent, 25% of the remaining income on groceries, and saved 55% of the income left after her expenses.
• Raj's income is ₹60,000 and his expenditure is ₹40,000. If his income is increased by 25% and expenditure by 15%, then what will be the percentage incr...
• Rohit spends 25% of his income on groceries, 40% of the remaining income on entertainment, 60% of the amount left after expenditure on groceries and entert...
• If 45% of a number is 90, what is 60% of the same number?