Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 987 · 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 bicycle is ₹3900. It goes up by 40%. What is the new price (in ₹)?
2. 2.The average of 4 numbers is 52. When one more number is added, the average becomes 53. What number was added?
3. 3.Diya puts ₹4400 in a bank at 15% simple interest per year. How much will she have after 1 year (in ₹)?
4. 4.After a 30% discount, a pair of shoes costs ₹3416. What was its marked price (in ₹)?
5. 5.Farhan’s father is twice as old as Farhan. The sum of their ages is 45 years. How old is the father?
6. 6.A town has 200 people. Its population grows by 15%. How many people live there now?
7. 7.Pooja can finish a job in 9 days and Kavya in 8 days. What fraction of the job do they finish if they work together for 3 days? =
8. 8.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
9. 9.Find the amount when ₹21600 is invested at 15% per year compound interest for 2 years (in ₹).
10. 10.A shop sells an average of 54 kg of sugar a day for 4 days, and then 27 kg a day for the next 5 days. What is the average sale per day for all 9 days (in kg)?
11. 11.Change 30 m/s into km/h.
12. 12.A shopkeeper buys a pressure cooker for ₹780 and sells it for ₹858. Find the profit percent.
13. 13.A town has 800 people. Its population grows by 10%. How many people live there now?
14. 14.Find the amount when ₹11875 is invested at 4% per year compound interest for 2 years (in ₹).
15. 15.In 14 years, Karan will be three times as old as Karan was 4 years ago. How old is Karan now?
16. 16.A bicycle bought for ₹1840 is sold at a loss of 25%. What is the selling price (in ₹)?
17. 17.A car runs for 2 hours at 22 km/h and then for 2 hours at 28 km/h. What is its average speed for the whole journey (in km/h)?
18. 18.A watch is marked at ₹1350. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
19. 19.The average weight of 7 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
20. 20.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
21. 21.The price of a school bag changes from ₹4080 to ₹2448. By what percent did it come down?
22. 22.Marks of 4 friends in a quiz: 48, 52, 43, 17. What is their average mark?
23. 23.Change 36 km/h into metres per second.
24. 24.Pooja works twice as fast as Meera. Together they finish a job in 9 days. How many days would Meera take alone?
25. 25.After a 20% discount, a study lamp costs ₹976. What was its marked price (in ₹)?
26. 26.A car runs for 1 hour at 67 km/h and then for 3 hours at 51 km/h. What is its average speed for the whole journey (in km/h)?
27. 27.Change 35 m/s into km/h.
28. 28.In 14 years, Ishaan will be three times as old as Ishaan was 6 years ago. How old is Ishaan now?
29. 29.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
30. 30.A study lamp bought for ₹1260 is sold at a loss of 15%. What is the selling price (in ₹)?
31. 31.7 years ago, Rahul’s mother was twice as old as Rahul. The mother is 23 years old now. How old is Rahul now?
32. 32.Find the amount when ₹37000 is invested at 10% per year compound interest for 3 years (in ₹).
33. 33.A shop sells 2940 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
34. 34.A bus runs at 90 km/h. How far does it go in 30 minutes (in km)?
35. 35.A shopkeeper buys a school bag for ₹1340 and sells it for ₹1139. Find the loss percent.
36. 36.A shopkeeper buys a watch for ₹1440 and sells it for ₹1296. Find the loss percent.
37. 37.By selling a pressure cooker for ₹266, a shopkeeper makes a loss of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
38. 38.By selling a watch for ₹1424, a shopkeeper makes a loss of 20%. What did the watch cost the shopkeeper (in ₹)?
39. 39.A table fan is marked at ₹3200. The shop gives a 5% discount. How much do you pay (in ₹)?
40. 40.A car runs for 3 hours at 80 km/h and then for 2 hours at 50 km/h. What is its average speed for the whole journey (in km/h)?

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