30 Day Basic Math Genius Quiz Challenge

1. A smartphone costs INR 25,000 with a 12% discount. What’s the sale price?

2. An item was marked up by 30% and sold for INR 780. What was the original price?

3. What percentage is 45 of 180?

4. If the radius of a circle is 25 cm, what is its area? (Use π = 3.14)

5. Solve for x: 11x - 21 = 100

6. If a fan costs INR 3,200 with a 15% discount, what is the sale price?

7. A car was sold for INR 3,60,000 after a 10% decrease in price. What was the original price?

8. If a washing machine costs INR 28,000 with a 15% discount, what is the sale price?

9. A man spends 60% of his income and saves INR 4,000. What is his income?

10. A population increases by 25% to become 5,000. What was the initial population?

11. A product’s price after a 30% markup is INR 780. What was the initial price?

12. The price of a product increases by 20% to INR 240. What was the original price?

13. The salary of an employee increased from INR 12,000 to INR 15,000. What was the percentage increase?

14. What is 12.5% of 640?

15. The cost of a laptop is increased by 25% and the new price is INR 37,500. Find the original cost.

16. What is 5/6 of 720?

17. A store sells an item at INR 300 after giving a 25% discount. What was the original price?

18. If the radius of a circle is 24 cm, what is its circumference? (Use π = 3.14)

19. A number is increased by 40% to become 420. What was the original number?

20. If x + 45 = 112, what is x?

21. 120 is what percentage of 400?

22. 25% of a number is 75. What is 50% of the number?

23. If 15% of a number is 60, what is the number?

24. A discount of 15% on an item brings its price to INR 850. What was the original price?

25. A shirt is sold at INR 450 after a 10% discount. What was its marked price?

26. The value of a car depreciates by 20% each year. If it was bought for INR 1,00,000, what is its value after one year?

27. A student scores 360 out of 450 in an exam. What is the percentage score?

28. If a person saves 20% of their salary, which is INR 6,000, what is their total salary?

29. 40% of a class are girls. If there are 72 girls, how many students are in the class?

30. If 80% of a class passed an exam and 48 students passed, how many were in the class?