The population of a college grows by 25% annually. In 2019, the population was 24,000. By 2021, the ratio of boys to girls in the college is 7:8. What i...
Meenu spent 10% of the salary on entertainment and 20% on makeup. She spent 20% of the remaining on the food and 50% of the remaining invested in mutual...
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...
- L is 50% less than M and N is 45% more than O. If O is 22% more than L, then which of the following is true?
Sahil spent 10% of his monthly income on education, 20% on entertainment, 15% on rent, 40% on travelling and the rest on food. If the difference between...
- If a water bill is paid before the due date, a 12% discount is offered. A person paid the bill on time but received only 9% discount, and hence paid Rs. 15...
Arvind sold 40% more apples than Vishnu. Ratio of number of apples sold by Vishnu to number of apples sold by Bishwa is 4:7. Find the number of apples s...
- The sum of two numbers, x and y, is 640. If x is reduced by 8% and y is raised by 12%, the two values become equal. Determine the value of y.
Suresh spent 25% of his monthly salary on rent, 50% of his remaining salary on food and clothes, and saved the rest. If he saved Rs. 9,000 and the amoun...
A product, coffee beans, was marked up by 40% above the cost price and sold at a discount of ____%. The profit earned by the retailer is ____%. The valu...
