Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 829 · 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.Change 10 m/s into km/h.
2. 2.Find the compound interest on ₹11700 at 10% per year for 2 years, added every year (in ₹).
3. 3.The simple interest on ₹12600 for 4 years is ₹5040. What is the rate of interest (% per year)?
4. 4.A shop sells an average of 22 kg of sugar a day for 3 days, and then 46 kg a day for the next 5 days. What is the average sale per day for all 8 days (in kg)?
5. 5.A car runs for 1 hour at 31 km/h and then for 3 hours at 35 km/h. What is its average speed for the whole journey (in km/h)?
6. 6.A water tank holds 1320 litres. 50% of the water is used. How many litres are left?
7. 7.A price goes up by 5% and then goes up by 10% more. By what percent has it gone up in all? =
8. 8.What is the difference between the compound interest and the simple interest on ₹4000 at 25% per year for 2 years (in ₹)?
9. 9.Isha can finish a job in 16 days and Manav in 18 days. What fraction of the job do they finish if they work together for 2 days? =
10. 10.What sum of money earns ₹345 simple interest in 3 years at 5% per year (in ₹)?
11. 11.Find the amount when ₹32000 is invested at 15% per year compound interest for 3 years (in ₹).
12. 12.Marks of 4 friends in a quiz: 45, 44, 56, 19. What is their average mark?
13. 13.The average of 4 numbers is 36. When one more number is added, the average becomes 38. What number was added?
14. 14.A car runs for 4 hours at 50 km/h and then for 4 hours at 22 km/h. What is its average speed for the whole journey (in km/h)?
15. 15.The average of 7 numbers is 31. When one more number is added, the average becomes 35. What number was added?
16. 16.By selling a study lamp for ₹817, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
17. 17.A shop sells 2220 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
18. 18.A price goes up by 15% and then comes down by 10%. By what percent has it gone up in all? =
19. 19.Ananya is 2 years older than Tara. In 2 years, the sum of their ages will be 60. How old is Tara now?
20. 20.A cricket bat is marked at ₹488. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
21. 21.Priya can finish a job in 9 days and Zoya in 12 days. Priya works alone for 3 days and then stops. Zoya finishes the rest. How many days does Zoya take?
22. 22.What is the difference between the compound interest and the simple interest on ₹22500 at 12% per year for 2 years (in ₹)?
23. 23.What sum of money earns ₹792 simple interest in 4 years at 9% per year (in ₹)?
24. 24.In 25 years, Sneha will be three times as old as Sneha was 3 years ago. How old is Sneha now?
25. 25.Diya puts ₹700 in a bank at 5% simple interest per year. How much will she have after 2 years (in ₹)?
26. 26.By selling a watch for ₹144, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
27. 27.A study lamp bought for ₹1320 is sold at a loss of 20%. What is the selling price (in ₹)?
28. 28.What is the difference between the compound interest and the simple interest on ₹34000 at 25% per year for 2 years (in ₹)?
29. 29.A water tank holds 200 litres. 25% of the water is used. How many litres are left?
30. 30.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
31. 31.Find the compound interest on ₹9375 at 4% per year for 2 years, added every year (in ₹).
32. 32.Find the compound interest on ₹38000 at 5% per year for 2 years, added every year (in ₹).
33. 33.The price of a bicycle is ₹1120. It goes up by 25%. What is the new price (in ₹)?
34. 34.The price of a school bag changes from ₹360 to ₹378. By what percent did it go up?
35. 35.By selling a watch for ₹2100, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
36. 36.Find the simple interest on ₹8700 at 14% per year for 5 years (in ₹).
37. 37.Rohan is 7 years older than Aditya. In 2 years, the sum of their ages will be 25. How old is Aditya now?
38. 38.A shopkeeper buys a pair of shoes for ₹360 and sells it for ₹180. Find the loss percent.
39. 39.By selling a pressure cooker for ₹60, a shopkeeper makes a loss of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
40. 40.The price of a bicycle is ₹2380. It goes up by 40%. What is the new price (in ₹)?

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