Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 337 · 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.A study lamp is marked at ₹4580. The shop gives a 25% discount. How much do you pay (in ₹)?
2. 2.A shopkeeper buys a cricket bat for ₹740 and sells it for ₹629. Find the loss percent.
3. 3.A shopkeeper buys a school bag for ₹340 and sells it for ₹391. Find the profit percent.
4. 4.Karan’s father is four times as old as Karan. The sum of their ages is 55 years. How old is the father?
5. 5.A school bag is marked at ₹500. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
6. 6.By selling a pair of shoes for ₹95, a shopkeeper makes a loss of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
7. 7.Find the amount when ₹15625 is invested at 8% per year compound interest for 2 years (in ₹).
8. 8.The simple interest on ₹3700 for 5 years is ₹925. What is the rate of interest (% per year)?
9. 9.Diya puts ₹2700 in a bank at 6% simple interest per year. How much will she have after 5 years (in ₹)?
10. 10.10 years ago, Diya’s mother was twice as old as Diya. The mother is 20 years old now. How old is Diya now?
11. 11.Kabir cycles to his school at 72 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
12. 12.Change 90 km/h into metres per second.
13. 13.A school bag marked at ₹280 is sold for ₹196. What is the discount percent?
14. 14.Marks of 6 friends in a quiz: 59, 73, 65, 55, 84, 78. What is their average mark?
15. 15.A town has 3600 people. Its population grows by 15%. How many people live there now?
16. 16.In how many years will ₹9500 earn ₹5320 as simple interest at 14% per year?
17. 17.After a 15% discount, a watch costs ₹1105. What was its marked price (in ₹)?
18. 18.In how many years will ₹4700 earn ₹282 as simple interest at 3% per year?
19. 19.Kabir cycles to his school at 56 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
20. 20.Dev’s father is five times as old as Dev. The sum of their ages is 36 years. How old is the father?
21. 21.A car runs for 3 hours at 21 km/h and then for 3 hours at 61 km/h. What is its average speed for the whole journey (in km/h)?
22. 22.By selling a watch for ₹390, a shopkeeper makes a loss of 25%. What did the watch cost the shopkeeper (in ₹)?
23. 23.The simple interest on ₹4400 for 2 years is ₹1056. What is the rate of interest (% per year)?
24. 24.What is the difference between the compound interest and the simple interest on ₹32100 at 10% per year for 2 years (in ₹)?
25. 25.Rahul can finish a job in 4 days and Zoya in 16 days. Rahul works alone for 1 day and then stops. Zoya finishes the rest. How many days does Zoya take?
26. 26.Find the compound interest on ₹20625 at 4% per year for 2 years, added every year (in ₹).
27. 27.What sum of money earns ₹11760 simple interest in 4 years at 15% per year (in ₹)?
28. 28.A shopkeeper buys a pressure cooker for ₹1920 and sells it for ₹2400. Find the profit percent.
29. 29.A school bag bought for ₹1940 is sold at a profit of 5%. What is the selling price (in ₹)?
30. 30.Tara’s batting average after 5 innings is 21 runs. How many runs must Tara score in the next innings to raise the average to 23?
31. 31.A car runs for 2 hours at 33 km/h and then for 2 hours at 71 km/h. What is its average speed for the whole journey (in km/h)?
32. 32.Aarav is 4 years older than Rahul. In 6 years, the sum of their ages will be 40. How old is Rahul now?
33. 33.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
34. 34.A car runs for 1 hour at 25 km/h and then for 3 hours at 65 km/h. What is its average speed for the whole journey (in km/h)?
35. 35.Diya puts ₹5700 in a bank at 11% simple interest per year. How much will she have after 1 year (in ₹)?
36. 36.Find the compound interest on ₹3000 at 10% per year for 2 years, added every year (in ₹).
37. 37.What is the difference between the compound interest and the simple interest on ₹25600 at 5% per year for 2 years (in ₹)?
38. 38.Find the compound interest on ₹7000 at 10% per year for 3 years, added every year (in ₹).
39. 39.Kavya’s father is four times as old as Kavya. The sum of their ages is 75 years. How old is the father?
40. 40.A water tank holds 4300 litres. 10% of the water is used. How many litres are left?

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