Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 425 · 40 questions

The method (Find the 100%): Name the topic and write its formula. For percent questions, decide which value is the 100%. Check units (₹, km/h, days) and whether the answer is sensible.

1. 1.In 7 years, Rahul will be twice as old as Rahul was 6 years ago. How old is Rahul now?
2. 2.6 years ago, Karan’s mother was three times as old as Karan. The mother is 27 years old now. How old is Karan now?
3. 3.Change 40 m/s into km/h.
4. 4.Kavya’s father is four times as old as Kavya. The sum of their ages is 40 years. How old is the father?
5. 5.The price of a school bag changes from ₹1500 to ₹1725. By what percent did it go up?
6. 6.What is the difference between the compound interest and the simple interest on ₹49600 at 25% per year for 2 years (in ₹)?
7. 7.Find the compound interest on ₹3175 at 20% per year for 2 years, added every year (in ₹).
8. 8.Zoya’s batting average after 15 innings is 25 runs. How many runs must Zoya score in the next innings to raise the average to 30?
9. 9.Find the compound interest on ₹42000 at 15% per year for 2 years, added every year (in ₹).
10. 10.A watch is marked at ₹1560. The shop gives a 50% discount. How much do you pay (in ₹)?
11. 11.By selling a pressure cooker for ₹546, a shopkeeper makes a profit of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
12. 12.A shopkeeper buys a study lamp for ₹1460 and sells it for ₹1533. Find the profit percent.
13. 13.Diya puts ₹19900 in a bank at 13% simple interest per year. How much will she have after 4 years (in ₹)?
14. 14.Zoya’s father is four times as old as Zoya. The sum of their ages is 65 years. How old is the father?
15. 15.The average of 5 numbers is 44. When one more number is added, the average becomes 45. What number was added?
16. 16.In how many years will ₹5300 earn ₹3975 as simple interest at 15% per year?
17. 17.By selling a watch for ₹658, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
18. 18.After a 30% discount, a watch costs ₹644. What was its marked price (in ₹)?
19. 19.The price of a school bag changes from ₹2880 to ₹3600. By what percent did it go up?
20. 20.What sum of money earns ₹2580 simple interest in 4 years at 15% per year (in ₹)?
21. 21.Pooja is 9 years older than Isha. In 9 years, the sum of their ages will be 53. How old is Isha now?
22. 22.After a 5% discount, a study lamp costs ₹703. What was its marked price (in ₹)?
23. 23.A water tank holds 1420 litres. 20% of the water is used. How many litres are left?
24. 24.By selling a pair of shoes for ₹972, a shopkeeper makes a loss of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
25. 25.A study lamp bought for ₹1240 is sold at a loss of 10%. What is the selling price (in ₹)?
26. 26.A shopkeeper buys a cricket bat for ₹1680 and sells it for ₹1344. Find the loss percent.
27. 27.What sum of money earns ₹6215 simple interest in 5 years at 11% per year (in ₹)?
28. 28.By selling a watch for ₹1248, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
29. 29.A table fan marked at ₹2820 is sold for ₹2679. What is the discount percent?
30. 30.A watch marked at ₹640 is sold for ₹544. What is the discount percent?
31. 31.A study lamp bought for ₹1800 is sold at a profit of 5%. What is the selling price (in ₹)?
32. 32.Change 36 km/h into metres per second.
33. 33.A shop sells 4900 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
34. 34.Isha’s father is twice as old as Isha. The sum of their ages is 45 years. How old is Isha?
35. 35.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 15 years. How old is the father?
36. 36.A bus runs at 60 km/h. How far does it go in 20 minutes (in km)?
37. 37.In 6 years, Aditya will be twice as old as Aditya was 2 years ago. How old is Aditya now?
38. 38.A school bag bought for ₹300 is sold at a loss of 50%. What is the selling price (in ₹)?
39. 39.Marks of 6 friends in a quiz: 65, 64, 50, 61, 71, 31. What is their average mark?
40. 40.Aarav works twice as fast as Karan. Together they finish a job in 2 days. How many days would Karan take alone?

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