Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 323 · 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 shopkeeper buys a pair of shoes for ₹1960 and sells it for ₹2156. Find the profit percent.
2. 2.In how many years will ₹9100 earn ₹1365 as simple interest at 3% per year?
3. 3.Ananya can finish a job in 6 days and Priya in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
4. 4.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
5. 5.6 years ago, Kavya’s mother was twice as old as Kavya. The mother is 14 years old now. How old is Kavya now?
6. 6.A price goes up by 30% and then comes down by 10%. By what percent has it gone up in all? =
7. 7.Kabir cycles to his school at 20 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
8. 8.Kabir cycles to his school at 78 km/h and comes back by the same road at 26 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.By selling a cricket bat for ₹1577, a shopkeeper makes a loss of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
10. 10.Find the amount when ₹8375 is invested at 20% per year compound interest for 3 years (in ₹).
11. 11.The price of a school bag changes from ₹1800 to ₹2520. By what percent did it go up?
12. 12.A bus runs at 72 km/h. How far does it go in 20 minutes (in km)?
13. 13.A school bag bought for ₹1360 is sold at a loss of 5%. What is the selling price (in ₹)?
14. 14.Change 15 m/s into km/h.
15. 15.Diya and Nisha together finish a job in 3 days. Diya alone takes 12 days. How many days would Nisha take alone?
16. 16.What sum of money earns ₹1312 simple interest in 2 years at 4% per year (in ₹)?
17. 17.A shopkeeper buys a pressure cooker for ₹1040 and sells it for ₹1560. Find the profit percent.
18. 18.What is the difference between the compound interest and the simple interest on ₹28400 at 5% per year for 2 years (in ₹)?
19. 19.Change 10 m/s into km/h.
20. 20.A shop sells an average of 28 kg of sugar a day for 2 days, and then 63 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
21. 21.A water tank holds 600 litres. 50% of the water is used. How many litres are left?
22. 22.A price goes up by 10% and then goes up by 15% more. By what percent has it gone up in all? =
23. 23.What sum of money earns ₹2980 simple interest in 4 years at 5% per year (in ₹)?
24. 24.8 years ago, Isha’s mother was three times as old as Isha. The mother is 32 years old now. How old is Isha now?
25. 25.6 years ago, Farhan’s mother was twice as old as Farhan. The mother is 24 years old now. How old is Farhan now?
26. 26.Find the amount when ₹10432 is invested at 25% per year compound interest for 3 years (in ₹).
27. 27.Find the amount when ₹15600 is invested at 5% per year compound interest for 2 years (in ₹).
28. 28.What sum of money earns ₹5600 simple interest in 4 years at 14% per year (in ₹)?
29. 29.A watch is marked at ₹3220. The shop gives a 15% discount. How much do you pay (in ₹)?
30. 30.Zoya works twice as fast as Aarav. Together they finish a job in 7 days. How many days would Aarav take alone?
31. 31.A table fan is marked at ₹3160. The shop gives a 20% discount. How much do you pay (in ₹)?
32. 32.A school bag is marked at ₹1480. The shop gives a 5% discount. How much do you pay (in ₹)?
33. 33.A shop sells 3860 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
34. 34.The average of 7 numbers is 47. When one more number is added, the average becomes 51. What number was added?
35. 35.The average of 9 numbers is 19. When one more number is added, the average becomes 20. What number was added?
36. 36.7 years ago, Arjun’s mother was twice as old as Arjun. The mother is 27 years old now. How old is Arjun now?
37. 37.A shop sells an average of 36 kg of sugar a day for 3 days, and then 24 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
38. 38.After a 5% discount, a table fan costs ₹3781. What was its marked price (in ₹)?
39. 39.Marks of 4 friends in a quiz: 26, 23, 32, 39. What is their average mark?
40. 40.Manav and Zoya together finish a job in 3 days. Manav alone takes 4 days. How many days would Zoya take alone?

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