Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 438 · 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.What sum of money earns ₹616 simple interest in 1 year at 11% per year (in ₹)?
2. 2.A car runs for 2 hours at 56 km/h and then for 3 hours at 21 km/h. What is its average speed for the whole journey (in km/h)?
3. 3.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
4. 4.A pressure cooker is marked at ₹1300. The shop gives a 50% discount. How much do you pay (in ₹)?
5. 5.After a 30% discount, a study lamp costs ₹1554. What was its marked price (in ₹)?
6. 6.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
7. 7.Kavya is 2 years older than Aarav. In 2 years, the sum of their ages will be 42. How old is Aarav now?
8. 8.A pair of shoes bought for ₹140 is sold at a loss of 5%. What is the selling price (in ₹)?
9. 9.A shopkeeper buys a school bag for ₹1280 and sells it for ₹1920. Find the profit percent.
10. 10.In 29 years, Aarav will be twice as old as Aarav was 4 years ago. How old is Aarav now?
11. 11.A price comes down by 25% and then comes down by 20% more. By what percent has it come down in all? =
12. 12.Meera works three times as fast as Diya. Together they finish a job in 9 days. How many days would Diya take alone?
13. 13.A town has 260 people. Its population grows by 10%. How many people live there now?
14. 14.In 16 years, Saanvi will be twice as old as Saanvi was 4 years ago. How old is Saanvi now?
15. 15.A shopkeeper buys a study lamp for ₹1640 and sells it for ₹2296. Find the profit percent.
16. 16.Zoya can finish a job in 6 days and Kavya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.A shopkeeper buys a watch for ₹1880 and sells it for ₹1598. Find the loss percent.
18. 18.By selling a bicycle for ₹650, a shopkeeper makes a profit of 30%. What did the bicycle cost the shopkeeper (in ₹)?
19. 19.Nisha can finish a job in 11 days and Manav in 18 days. What fraction of the job do they finish if they work together for 1 day? =
20. 20.Dev’s father is three times as old as Dev. The sum of their ages is 40 years. How old is the father?
21. 21.Tara works three times as fast as Vivaan. Together they finish a job in 2 days. How many days would Vivaan take alone?
22. 22.What is the difference between the compound interest and the simple interest on ₹10000 at 4% per year for 2 years (in ₹)?
23. 23.A pair of shoes marked at ₹1940 is sold for ₹1552. What is the discount percent?
24. 24.Find the compound interest on ₹39375 at 8% per year for 2 years, added every year (in ₹).
25. 25.In 17 years, Karan will be twice as old as Karan was 3 years ago. How old is Karan now?
26. 26.Change 108 km/h into metres per second.
27. 27.A school bag is marked at ₹1375. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
28. 28.By selling a watch for ₹1988, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
29. 29.After a 5% discount, a bicycle costs ₹2299. What was its marked price (in ₹)?
30. 30.Nisha can finish a job in 19 days and Dev in 17 days. What fraction of the job do they finish if they work together for 2 days? =
31. 31.Find the compound interest on ₹8000 at 15% per year for 3 years, added every year (in ₹).
32. 32.What sum of money earns ₹512 simple interest in 4 years at 8% per year (in ₹)?
33. 33.The price of a school bag changes from ₹880 to ₹1320. By what percent did it go up?
34. 34.A watch is marked at ₹4960. The shop gives a 15% discount. How much do you pay (in ₹)?
35. 35.A shop sells an average of 59 kg of sugar a day for 2 days, and then 55 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
36. 36.A shop sells an average of 59 kg of sugar a day for 2 days, and then 43 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
37. 37.A shop sells an average of 57 kg of sugar a day for 3 days, and then 27 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
38. 38.A water tank holds 3080 litres. 40% of the water is used. How many litres are left?
39. 39.In how many years will ₹7300 earn ₹2409 as simple interest at 11% per year?
40. 40.What is the difference between the compound interest and the simple interest on ₹16300 at 10% per year for 2 years (in ₹)?

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