Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 49 · 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.Kabir can finish a job in 8 days and Nisha in 24 days. Kabir works alone for 6 days and then stops. Nisha finishes the rest. How many days does Nisha take?
2. 2.The price of a school bag changes from ₹1000 to ₹500. By what percent did it come down?
3. 3.The price of a bicycle is ₹220. It goes up by 50%. What is the new price (in ₹)?
4. 4.A school bag is marked at ₹4220. The shop gives a 15% discount. How much do you pay (in ₹)?
5. 5.Karan and Rohan together finish a job in 15 days. Karan alone takes 20 days. How many days would Rohan take alone?
6. 6.A shop sells 1220 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
7. 7.The average weight of 11 children is 27 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
8. 8.A pair of shoes marked at ₹3580 is sold for ₹2148. What is the discount percent?
9. 9.The price of a school bag changes from ₹4760 to ₹6664. By what percent did it go up?
10. 10.Find the compound interest on ₹6600 at 10% per year for 2 years, added every year (in ₹).
11. 11.A water tank holds 3480 litres. 40% of the water is used. How many litres are left?
12. 12.In how many years will ₹16400 earn ₹1476 as simple interest at 9% per year?
13. 13.Pooja can finish a job in 4 days and Tara in 12 days. Pooja works alone for 2 days and then stops. Tara finishes the rest. How many days does Tara take?
14. 14.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
15. 15.How many minutes does a car take to go 130 km at 50 km/h?
16. 16.What is the difference between the compound interest and the simple interest on ₹11600 at 25% per year for 2 years (in ₹)?
17. 17.A shopkeeper buys a cricket bat for ₹1820 and sells it for ₹2275. Find the profit percent.
18. 18.What is the difference between the compound interest and the simple interest on ₹34100 at 10% per year for 2 years (in ₹)?
19. 19.A price goes up by 5% and then goes up by 50% more. By what percent has it gone up in all? =
20. 20.Diya puts ₹7500 in a bank at 7% simple interest per year. How much will she have after 1 year (in ₹)?
21. 21.Kavya is 5 years older than Rahul. In 3 years, the sum of their ages will be 51. How old is Rahul now?
22. 22.Kabir cycles to his school at 15 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
23. 23.In how many years will ₹12200 earn ₹1708 as simple interest at 7% per year?
24. 24.A shop sells an average of 50 kg of sugar a day for 5 days, and then 66 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
25. 25.What sum of money earns ₹1336 simple interest in 2 years at 4% per year (in ₹)?
26. 26.Change 36 km/h into metres per second.
27. 27.8 years ago, Aarav’s mother was four times as old as Aarav. The mother is 28 years old now. How old is Aarav now?
28. 28.Farhan and Aarav together finish a job in 2 days. Farhan alone takes 3 days. How many days would Aarav take alone?
29. 29.By selling a cricket bat for ₹1771, a shopkeeper makes a profit of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
30. 30.The price of a school bag changes from ₹1060 to ₹742. By what percent did it come down?
31. 31.By selling a study lamp for ₹782, a shopkeeper makes a loss of 15%. What did the study lamp cost the shopkeeper (in ₹)?
32. 32.Dev can finish a job in 17 days and Zoya in 6 days. What fraction of the job do they finish if they work together for 1 day? =
33. 33.Kabir cycles to his school at 66 km/h and comes back by the same road at 33 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.Tara is 6 years older than Ishaan. In 5 years, the sum of their ages will be 32. How old is Ishaan now?
35. 35.Find the simple interest on ₹7600 at 10% per year for 1 year (in ₹).
36. 36.Find the simple interest on ₹18700 at 6% per year for 3 years (in ₹).
37. 37.The average weight of 5 children is 41 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
38. 38.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
39. 39.Find the simple interest on ₹1100 at 13% per year for 4 years (in ₹).
40. 40.What is the difference between the compound interest and the simple interest on ₹7500 at 4% per year for 2 years (in ₹)?

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