Question
Total number of students in a class is 1800, and the ratio of number of boys to girls is 4:5. If the number of boys and girls is increased by y% and (y – 3)% respectively, then the total number of students in the class will become 2070. Find the value of y. (Can calculate approximate value)
More Percentage Questions
- Income of 'A' is Rs. 2,400 more than that of 'B'. Both spend 25% of their respective incomes. If the savings of 'C' is 15% of his income and is equal to th...
- The monthly income of Raju was Rs. 13500 and his monthly expenditure was Rs. 9000. Next year his income increased by 17% and his expenditure increased by 7...
- In a mayoral election between two nominees, 20% of the total votes were rejected as invalid. Out of the valid votes, 65% went to the winning candidate, who...
- Fresh grapes contain 80% water while dry grapes contain 20% water. How many kilograms of fresh grapes are needed to make 500 grams of dry grapes?
- Rahul secured 32% marks in an exam and fell short by 48 marks. Kunal secured 47% marks in the same test and scored 27 marks more than the passing marks. Fi...
- A man spends 80% of his monthly income. When his income increases by 25% and his expenditure increases by 20%, his monthly savings increase by ₹900. What i...
- A and B together have total of Rs.5000 out of which they donated 10% to the orphanage school. The remaining amount is to be then redistributed between them...
- In a colony, there are 20 APL families and 30 BPL families. Each APL and BPL family got blankets equal to 30% and 60%, respectively of total number of fami...
- Income of Raghav is Rs. (80n + 1200). He spends 75% of his income and saves the rest. Savings of his friend Mohit is Rs. 1,200 more than that of him. Mohit...
- A laptop’s price increases by 7% annually. If its present price is ₹50,000, what will be the price after 2 years?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt