Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 566 · 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.Find the compound interest on ₹31250 at 12% per year for 3 years, added every year (in ₹).
2. 2.After a 20% discount, a study lamp costs ₹1200. What was its marked price (in ₹)?
3. 3.Change 18 km/h into metres per second.
4. 4.A table fan is marked at ₹556. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
5. 5.The average weight of 12 children is 33 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
6. 6.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
7. 7.What sum of money earns ₹1458 simple interest in 3 years at 6% per year (in ₹)?
8. 8.A watch marked at ₹2260 is sold for ₹1356. What is the discount percent?
9. 9.In how many years will ₹15100 earn ₹3624 as simple interest at 6% per year?
10. 10.Kabir cycles to his school at 77 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
11. 11.Farhan can finish a job in 7 days and Arjun in 28 days. Farhan works alone for 2 days and then stops. Arjun finishes the rest. How many days does Arjun take?
12. 12.By selling a watch for ₹1380, a shopkeeper makes a profit of 50%. What did the watch cost the shopkeeper (in ₹)?
13. 13.The price of a school bag changes from ₹3080 to ₹2772. By what percent did it come down?
14. 14.A water tank holds 4260 litres. 10% of the water is used. How many litres are left?
15. 15.Find the compound interest on ₹27200 at 20% per year for 2 years, added every year (in ₹).
16. 16.What sum of money earns ₹320 simple interest in 2 years at 2% per year (in ₹)?
17. 17.Find the amount when ₹13600 is invested at 10% per year compound interest for 2 years (in ₹).
18. 18.After a 15% discount, a study lamp costs ₹1037. What was its marked price (in ₹)?
19. 19.10 years ago, Rohan’s mother was four times as old as Rohan. The mother is 22 years old now. How old is Rohan now?
20. 20.Diya puts ₹1300 in a bank at 2% simple interest per year. How much will she have after 2 years (in ₹)?
21. 21.The price of a bicycle is ₹3900. It goes up by 50%. What is the new price (in ₹)?
22. 22.A shopkeeper buys a table fan for ₹500 and sells it for ₹425. Find the loss percent.
23. 23.A shop sells an average of 27 kg of sugar a day for 2 days, and then 78 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
24. 24.Isha can finish a job in 18 days and Kabir in 14 days. What fraction of the job do they finish if they work together for 3 days? =
25. 25.After a 30% discount, a cricket bat costs ₹3290. What was its marked price (in ₹)?
26. 26.The average weight of 12 children is 27 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
27. 27.In how many years will ₹1200 earn ₹480 as simple interest at 10% per year?
28. 28.Find the compound interest on ₹11968 at 25% per year for 3 years, added every year (in ₹).
29. 29.Kabir cycles to his school at 90 km/h and comes back by the same road at 72 km/h. What is his average speed for the whole trip (in km/h)?
30. 30.A bicycle bought for ₹780 is sold at a profit of 30%. What is the selling price (in ₹)?
31. 31.By selling a pair of shoes for ₹1475, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
32. 32.Find the compound interest on ₹44032 at 25% per year for 3 years, added every year (in ₹).
33. 33.A shop sells 320 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
34. 34.6 years ago, Tara’s mother was twice as old as Tara. The mother is 20 years old now. How old is Tara now?
35. 35.Farhan can finish a job in 5 days and Zoya in 4 days. What fraction of the job do they finish if they work together for 1 day? =
36. 36.A table fan marked at ₹1360 is sold for ₹1224. What is the discount percent?
37. 37.The simple interest on ₹13400 for 4 years is ₹3216. What is the rate of interest (% per year)?
38. 38.Find the compound interest on ₹18875 at 20% per year for 2 years, added every year (in ₹).
39. 39.Pooja’s batting average after 5 innings is 25 runs. How many runs must Pooja score in the next innings to raise the average to 30?
40. 40.A car runs for 3 hours at 34 km/h and then for 3 hours at 56 km/h. What is its average speed for the whole journey (in km/h)?

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