Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 998 · 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 1700 people. Its population grows by 50%. How many people live there now?
2. 2.Find the amount when ₹16000 is invested at 15% per year compound interest for 3 years (in ₹).
3. 3.Change 10 m/s into km/h.
4. 4.By selling a bicycle for ₹1694, a shopkeeper makes a profit of 10%. What did the bicycle cost the shopkeeper (in ₹)?
5. 5.Change 35 m/s into km/h.
6. 6.Find the simple interest on ₹9300 at 11% per year for 3 years (in ₹).
7. 7.A bicycle marked at ₹1440 is sold for ₹1296. What is the discount percent?
8. 8.A price comes down by 50% and then comes down by 30% more. By what percent has it come down in all? =
9. 9.By selling a bicycle for ₹400, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
10. 10.A study lamp is marked at ₹3060. The shop gives a 5% discount. How much do you pay (in ₹)?
11. 11.A shopkeeper buys a pair of shoes for ₹1260 and sells it for ₹1512. Find the profit percent.
12. 12.Find the amount when ₹16000 is invested at 5% per year compound interest for 3 years (in ₹).
13. 13.Change 20 m/s into km/h.
14. 14.9 years ago, Rahul’s mother was four times as old as Rahul. The mother is 25 years old now. How old is Rahul now?
15. 15.Meera’s batting average after 10 innings is 44 runs. How many runs must Meera score in the next innings to raise the average to 48?
16. 16.By selling a pressure cooker for ₹2024, a shopkeeper makes a profit of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
17. 17.In 30 years, Pooja will be three times as old as Pooja was 2 years ago. How old is Pooja now?
18. 18.After a 30% discount, a table fan costs ₹2884. What was its marked price (in ₹)?
19. 19.10 years ago, Nisha’s mother was twice as old as Nisha. The mother is 34 years old now. How old is Nisha now?
20. 20.The average of 7 numbers is 48. When one more number is added, the average becomes 50. What number was added?
21. 21.A shop sells an average of 30 kg of sugar a day for 4 days, and then 72 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
22. 22.After a 15% discount, a study lamp costs ₹595. What was its marked price (in ₹)?
23. 23.Meera can finish a job in 16 days and Kavya in 17 days. What fraction of the job do they finish if they work together for 1 day? =
24. 24.What is the difference between the compound interest and the simple interest on ₹30000 at 20% per year for 2 years (in ₹)?
25. 25.Pooja is 2 years older than Kavya. In 7 years, the sum of their ages will be 44. How old is Kavya now?
26. 26.The price of a school bag changes from ₹2000 to ₹2500. By what percent did it go up?
27. 27.What is the difference between the compound interest and the simple interest on ₹35000 at 12% per year for 2 years (in ₹)?
28. 28.By selling a school bag for ₹434, a shopkeeper makes a loss of 30%. What did the school bag cost the shopkeeper (in ₹)?
29. 29.A watch is marked at ₹2100. The shop gives a 15% discount. How much do you pay (in ₹)?
30. 30.A watch bought for ₹420 is sold at a loss of 5%. What is the selling price (in ₹)?
31. 31.A town has 2320 people. Its population grows by 40%. How many people live there now?
32. 32.A shopkeeper buys a bicycle for ₹1100 and sells it for ₹935. Find the loss percent.
33. 33.A price goes up by 50% and then comes down by 25%. By what percent has it gone up in all? =
34. 34.Arjun is 8 years older than Karan. In 4 years, the sum of their ages will be 62. How old is Karan now?
35. 35.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
36. 36.The price of a school bag changes from ₹2260 to ₹2938. By what percent did it go up?
37. 37.A water tank holds 180 litres. 50% of the water is used. How many litres are left?
38. 38.The price of a school bag changes from ₹1000 to ₹900. By what percent did it come down?
39. 39.A price comes down by 15% and then comes down by 30% more. By what percent has it come down in all? =
40. 40.By selling a watch for ₹242, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?

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