Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 687 · 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 cricket bat for ₹340 and sells it for ₹272. Find the loss percent.
2. 2.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
3. 3.A watch bought for ₹260 is sold at a loss of 40%. What is the selling price (in ₹)?
4. 4.A water tank holds 600 litres. 30% of the water is used. How many litres are left?
5. 5.After a 15% discount, a pair of shoes costs ₹4097. What was its marked price (in ₹)?
6. 6.Kabir cycles to his school at 12 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
7. 7.Diya puts ₹10500 in a bank at 8% simple interest per year. How much will she have after 4 years (in ₹)?
8. 8.What sum of money earns ₹8928 simple interest in 4 years at 12% per year (in ₹)?
9. 9.A shop sells 2820 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
10. 10.After a 5% discount, a study lamp costs ₹380. What was its marked price (in ₹)?
11. 11.5 years ago, Karan’s mother was twice as old as Karan. The mother is 11 years old now. How old is Karan now?
12. 12.Pooja can finish a job in 16 days and Dev in 12 days. What fraction of the job do they finish if they work together for 1 day? =
13. 13.A shopkeeper buys a watch for ₹780 and sells it for ₹1014. Find the profit percent.
14. 14.Aarav is 3 years older than Sneha. In 7 years, the sum of their ages will be 43. How old is Sneha now?
15. 15.Find the simple interest on ₹3500 at 3% per year for 1 year (in ₹).
16. 16.A watch marked at ₹3660 is sold for ₹2196. What is the discount percent?
17. 17.Diya puts ₹4100 in a bank at 15% simple interest per year. How much will she have after 1 year (in ₹)?
18. 18.Manav can finish a job in 10 days and Arjun in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.A table fan is marked at ₹300. The shop gives a 10% discount. How much do you pay (in ₹)?
20. 20.4 years ago, Aarav’s mother was three times as old as Aarav. The mother is 13 years old now. How old is Aarav now?
21. 21.4 years ago, Isha’s mother was three times as old as Isha. The mother is 16 years old now. How old is Isha now?
22. 22.Sneha can finish a job in 17 days and Aditya in 18 days. What fraction of the job do they finish if they work together for 3 days? =
23. 23.A shop sells an average of 46 kg of sugar a day for 4 days, and then 64 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
24. 24.Meera works twice as fast as Pooja. Together they finish a job in 8 days. How many days would Pooja take alone?
25. 25.Aarav can finish a job in 6 days and Kavya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.Find the amount when ₹14375 is invested at 4% per year compound interest for 2 years (in ₹).
27. 27.Marks of 6 friends in a quiz: 64, 50, 43, 66, 43, 40. What is their average mark?
28. 28.Meera’s father is four times as old as Meera. The sum of their ages is 35 years. How old is the father?
29. 29.A price comes down by 40% and then comes down by 40% more. By what percent has it come down in all? =
30. 30.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
31. 31.A shopkeeper buys a pressure cooker for ₹2000 and sells it for ₹2100. Find the profit percent.
32. 32.Nisha can finish a job in 15 days and Vivaan in 10 days. What fraction of the job do they finish if they work together for 2 days? =
33. 33.Kabir cycles to his school at 27 km/h and comes back by the same road at 54 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.A shop sells an average of 50 kg of sugar a day for 2 days, and then 46 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
35. 35.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
36. 36.What sum of money earns ₹2244 simple interest in 2 years at 11% per year (in ₹)?
37. 37.Find the compound interest on ₹10000 at 12% per year for 2 years, added every year (in ₹).
38. 38.The average weight of 11 children is 38 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
39. 39.In how many years will ₹19400 earn ₹2328 as simple interest at 6% per year?
40. 40.A cricket bat is marked at ₹520. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?

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