Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 493 · 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 town has 1220 people. Its population grows by 25%. How many people live there now?
2. 2.In how many years will ₹8100 earn ₹243 as simple interest at 3% per year?
3. 3.Diya’s batting average after 7 innings is 35 runs. How many runs must Diya score in the next innings to raise the average to 38?
4. 4.What is the difference between the compound interest and the simple interest on ₹38400 at 10% per year for 2 years (in ₹)?
5. 5.A price goes up by 10% and then goes up by 30% more. By what percent has it gone up in all? =
6. 6.How many minutes does a car take to go 114 km at 40 km/h?
7. 7.Diya puts ₹2500 in a bank at 10% simple interest per year. How much will she have after 5 years (in ₹)?
8. 8.A bus runs at 90 km/h. How far does it go in 20 minutes (in km)?
9. 9.In 30 years, Pooja will be twice as old as Pooja was 2 years ago. How old is Pooja now?
10. 10.Change 10 m/s into km/h.
11. 11.Find the compound interest on ₹6608 at 25% per year for 2 years, added every year (in ₹).
12. 12.Arjun’s batting average after 6 innings is 36 runs. How many runs must Arjun score in the next innings to raise the average to 37?
13. 13.Farhan is 8 years older than Isha. In 3 years, the sum of their ages will be 52. How old is Isha now?
14. 14.What sum of money earns ₹1144 simple interest in 1 year at 11% per year (in ₹)?
15. 15.The price of a bicycle is ₹1720. It goes up by 30%. What is the new price (in ₹)?
16. 16.A shopkeeper buys a pair of shoes for ₹1700 and sells it for ₹1020. Find the loss percent.
17. 17.Diya can finish a job in 4 days and Isha in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
18. 18.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
19. 19.4 years ago, Kabir’s mother was twice as old as Kabir. The mother is 18 years old now. How old is Kabir now?
20. 20.Pooja and Ananya together finish a job in 3 days. Pooja alone takes 4 days. How many days would Ananya take alone?
21. 21.Find the amount when ₹16875 is invested at 4% per year compound interest for 2 years (in ₹).
22. 22.The simple interest on ₹12900 for 5 years is ₹1935. What is the rate of interest (% per year)?
23. 23.The price of a bicycle is ₹4220. It goes up by 15%. What is the new price (in ₹)?
24. 24.A pressure cooker is marked at ₹2360. The shop gives a 30% discount. How much do you pay (in ₹)?
25. 25.Change 54 km/h into metres per second.
26. 26.A water tank holds 1120 litres. 30% of the water is used. How many litres are left?
27. 27.A water tank holds 1940 litres. 15% of the water is used. How many litres are left?
28. 28.By selling a bicycle for ₹780, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
29. 29.Tara can finish a job in 4 days and Diya in 24 days. Tara works alone for 1 day and then stops. Diya finishes the rest. How many days does Diya take?
30. 30.By selling a study lamp for ₹414, a shopkeeper makes a loss of 10%. What did the study lamp cost the shopkeeper (in ₹)?
31. 31.In how many years will ₹7800 earn ₹3432 as simple interest at 11% per year?
32. 32.Saanvi can finish a job in 12 days and Aarav in 6 days. What fraction of the job do they finish if they work together for 3 days? =
33. 33.Rahul works three times as fast as Saanvi. Together they finish a job in 3 days. How many days would Saanvi take alone?
34. 34.What is the difference between the compound interest and the simple interest on ₹34000 at 5% per year for 2 years (in ₹)?
35. 35.A shopkeeper buys a cricket bat for ₹460 and sells it for ₹598. Find the profit percent.
36. 36.A shop sells an average of 30 kg of sugar a day for 6 days, and then 32 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
37. 37.Arjun’s father is three times as old as Arjun. The sum of their ages is 24 years. How old is the father?
38. 38.Marks of 6 friends in a quiz: 37, 36, 43, 45, 39, 94. What is their average mark?
39. 39.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
40. 40.In 16 years, Aarav will be three times as old as Aarav was 2 years ago. How old is Aarav now?

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