Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 12 · 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 watch for ₹1760 and sells it for ₹2200. Find the profit percent.
2. 2.The simple interest on ₹5400 for 2 years is ₹1620. What is the rate of interest (% per year)?
3. 3.A shopkeeper buys a school bag for ₹460 and sells it for ₹414. Find the loss percent.
4. 4.A car runs for 3 hours at 30 km/h and then for 3 hours at 74 km/h. What is its average speed for the whole journey (in km/h)?
5. 5.A shopkeeper buys a bicycle for ₹780 and sells it for ₹897. Find the profit percent.
6. 6.Find the compound interest on ₹33456 at 25% per year for 2 years, added every year (in ₹).
7. 7.The price of a bicycle is ₹1900. It goes up by 40%. What is the new price (in ₹)?
8. 8.A watch is marked at ₹920. The shop gives a 5% discount. How much do you pay (in ₹)?
9. 9.Pooja is 5 years older than Manav. In 6 years, the sum of their ages will be 77. How old is Manav now?
10. 10.A car runs for 1 hour at 38 km/h and then for 2 hours at 26 km/h. What is its average speed for the whole journey (in km/h)?
11. 11.A water tank holds 280 litres. 15% of the water is used. How many litres are left?
12. 12.Find the amount when ₹16000 is invested at 5% per year compound interest for 3 years (in ₹).
13. 13.The average of 5 numbers is 45. When one more number is added, the average becomes 51. What number was added?
14. 14.8 years ago, Saanvi’s mother was three times as old as Saanvi. The mother is 38 years old now. How old is Saanvi now?
15. 15.A shopkeeper buys a table fan for ₹1280 and sells it for ₹1088. Find the loss percent.
16. 16.The simple interest on ₹2100 for 3 years is ₹189. What is the rate of interest (% per year)?
17. 17.A water tank holds 960 litres. 15% of the water is used. How many litres are left?
18. 18.A water tank holds 3100 litres. 5% of the water is used. How many litres are left?
19. 19.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
20. 20.Aditya can finish a job in 3 days and Rahul in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
21. 21.A study lamp is marked at ₹975. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
22. 22.Dev can finish a job in 18 days and Kavya in 11 days. What fraction of the job do they finish if they work together for 2 days? =
23. 23.Diya puts ₹2800 in a bank at 2% simple interest per year. How much will she have after 2 years (in ₹)?
24. 24.A car runs for 1 hour at 60 km/h and then for 3 hours at 56 km/h. What is its average speed for the whole journey (in km/h)?
25. 25.How many minutes does a car take to go 48 km at 32 km/h?
26. 26.Sneha’s father is twice as old as Sneha. The sum of their ages is 27 years. How old is the father?
27. 27.A shopkeeper buys a watch for ₹540 and sells it for ₹567. Find the profit percent.
28. 28.Kabir cycles to his school at 14 km/h and comes back by the same road at 42 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.The average weight of 11 children is 34 kg. One child, who weighs 44 kg, leaves the group. What is the new average weight (in kg)?
30. 30.Find the amount when ₹14375 is invested at 12% per year compound interest for 2 years (in ₹).
31. 31.Priya’s father is twice as old as Priya. The sum of their ages is 45 years. How old is the father?
32. 32.A table fan bought for ₹520 is sold at a profit of 30%. What is the selling price (in ₹)?
33. 33.The average weight of 8 children is 29 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
34. 34.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
35. 35.A water tank holds 4400 litres. 40% of the water is used. How many litres are left?
36. 36.Dev’s father is twice as old as Dev. The sum of their ages is 27 years. How old is the father?
37. 37.A pressure cooker bought for ₹780 is sold at a loss of 50%. What is the selling price (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹20400 at 25% per year for 2 years (in ₹)?
39. 39.Diya puts ₹15200 in a bank at 7% simple interest per year. How much will she have after 5 years (in ₹)?
40. 40.The average weight of 11 children is 41 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?

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