Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 500 · 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.The price of a school bag changes from ₹2040 to ₹2142. By what percent did it go up?
2. 2.Change 108 km/h into metres per second.
3. 3.Aarav and Sneha together finish a job in 3 days. Aarav alone takes 4 days. How many days would Sneha take alone?
4. 4.The price of a school bag changes from ₹3460 to ₹2422. By what percent did it come down?
5. 5.Find the compound interest on ₹625 at 4% per year for 2 years, added every year (in ₹).
6. 6.A town has 2480 people. Its population grows by 30%. How many people live there now?
7. 7.After a 15% discount, a study lamp costs ₹3315. What was its marked price (in ₹)?
8. 8.Find the amount when ₹33600 is invested at 5% per year compound interest for 2 years (in ₹).
9. 9.Rohan is 4 years older than Dev. In 7 years, the sum of their ages will be 46. How old is Dev now?
10. 10.In how many years will ₹11400 earn ₹456 as simple interest at 2% per year?
11. 11.Sneha works three times as fast as Ananya. Together they finish a job in 9 days. How many days would Ananya take alone?
12. 12.Ananya can finish a job in 12 days and Kabir in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
13. 13.In how many years will ₹13800 earn ₹6624 as simple interest at 12% per year?
14. 14.Zoya can finish a job in 12 days and Kabir in 9 days. What fraction of the job do they finish if they work together for 1 day? =
15. 15.By selling a pressure cooker for ₹72, a shopkeeper makes a loss of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹2000 at 15% per year for 2 years (in ₹)?
17. 17.A shop sells an average of 21 kg of sugar a day for 6 days, and then 57 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
18. 18.Nisha can finish a job in 10 days and Kabir in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.By selling a pair of shoes for ₹140, a shopkeeper makes a loss of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
20. 20.After a 10% discount, a school bag costs ₹1386. What was its marked price (in ₹)?
21. 21.The average of 6 numbers is 43. When one more number is added, the average becomes 48. What number was added?
22. 22.Find the compound interest on ₹19000 at 10% per year for 3 years, added every year (in ₹).
23. 23.Ananya’s father is twice as old as Ananya. The sum of their ages is 15 years. How old is Ananya?
24. 24.A study lamp marked at ₹3500 is sold for ₹2450. What is the discount percent?
25. 25.Kabir can finish a job in 6 days and Diya in 24 days. Kabir works alone for 2 days and then stops. Diya finishes the rest. How many days does Diya take?
26. 26.The simple interest on ₹4200 for 1 year is ₹378. What is the rate of interest (% per year)?
27. 27.Find the compound interest on ₹35328 at 25% per year for 2 years, added every year (in ₹).
28. 28.A water tank holds 820 litres. 30% of the water is used. How many litres are left?
29. 29.How many minutes does a car take to go 144 km at 45 km/h?
30. 30.Find the amount when ₹31250 is invested at 4% per year compound interest for 3 years (in ₹).
31. 31.A water tank holds 960 litres. 15% of the water is used. How many litres are left?
32. 32.What is the difference between the compound interest and the simple interest on ₹20000 at 20% per year for 2 years (in ₹)?
33. 33.2 years ago, Vivaan’s mother was four times as old as Vivaan. The mother is 18 years old now. How old is Vivaan now?
34. 34.A water tank holds 1680 litres. 30% of the water is used. How many litres are left?
35. 35.In 29 years, Isha will be twice as old as Isha was 2 years ago. How old is Isha now?
36. 36.A watch bought for ₹1060 is sold at a loss of 10%. What is the selling price (in ₹)?
37. 37.A price comes down by 30% and then comes down by 20% more. By what percent has it come down in all? =
38. 38.Rohan can finish a job in 15 days and Kabir in 30 days. Rohan works alone for 11 days and then stops. Kabir finishes the rest. How many days does Kabir take?
39. 39.What is the difference between the compound interest and the simple interest on ₹3900 at 10% per year for 2 years (in ₹)?
40. 40.A watch is marked at ₹3680. The shop gives a 5% discount. How much do you pay (in ₹)?

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