Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 835 · 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 price comes down by 25% and then comes down by 5% more. By what percent has it come down in all? =
2. 2.Find the amount when ₹21875 is invested at 8% per year compound interest for 2 years (in ₹).
3. 3.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
4. 4.The average weight of 5 children is 44 kg. One child, who weighs 48 kg, leaves the group. What is the new average weight (in kg)?
5. 5.7 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 21 years old now. How old is Ishaan now?
6. 6.A shop sells 4660 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
7. 7.The price of a bicycle is ₹4020. It goes up by 5%. What is the new price (in ₹)?
8. 8.A water tank holds 2440 litres. 20% of the water is used. How many litres are left?
9. 9.What sum of money earns ₹5550 simple interest in 5 years at 6% per year (in ₹)?
10. 10.How many minutes does a car take to go 124 km at 30 km/h?
11. 11.By selling a pressure cooker for ₹1224, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
12. 12.After a 30% discount, a bicycle costs ₹294. What was its marked price (in ₹)?
13. 13.2 years ago, Kavya’s mother was three times as old as Kavya. The mother is 17 years old now. How old is Kavya now?
14. 14.7 years ago, Sneha’s mother was twice as old as Sneha. The mother is 25 years old now. How old is Sneha now?
15. 15.Saanvi can finish a job in 3 days and Kabir in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
16. 16.A bus runs at 82 km/h. How far does it go in 30 minutes (in km)?
17. 17.Aditya can finish a job in 14 days and Zoya in 6 days. What fraction of the job do they finish if they work together for 1 day? =
18. 18.What sum of money earns ₹870 simple interest in 2 years at 3% per year (in ₹)?
19. 19.A pressure cooker is marked at ₹4840. The shop gives a 5% discount. How much do you pay (in ₹)?
20. 20.Find the simple interest on ₹13800 at 10% per year for 5 years (in ₹).
21. 21.Rohan and Manav together finish a job in 2 days. Rohan alone takes 4 days. How many days would Manav take alone?
22. 22.A town has 2560 people. Its population grows by 10%. How many people live there now?
23. 23.Marks of 5 friends in a quiz: 75, 84, 57, 56, 73. What is their average mark?
24. 24.A watch marked at ₹460 is sold for ₹368. What is the discount percent?
25. 25.A car runs for 3 hours at 27 km/h and then for 3 hours at 31 km/h. What is its average speed for the whole journey (in km/h)?
26. 26.Find the compound interest on ₹19200 at 25% per year for 2 years, added every year (in ₹).
27. 27.Find the simple interest on ₹12900 at 9% per year for 2 years (in ₹).
28. 28.Find the amount when ₹3100 is invested at 10% per year compound interest for 2 years (in ₹).
29. 29.What is the difference between the compound interest and the simple interest on ₹36400 at 5% per year for 2 years (in ₹)?
30. 30.The price of a school bag changes from ₹4980 to ₹5229. By what percent did it go up?
31. 31.A shopkeeper buys a pressure cooker for ₹1060 and sells it for ₹1007. Find the loss percent.
32. 32.Priya can finish a job in 19 days and Saanvi in 5 days. What fraction of the job do they finish if they work together for 2 days? =
33. 33.Diya works twice as fast as Ananya. Together they finish a job in 12 days. How many days would Ananya take alone?
34. 34.A price goes up by 40% and then comes down by 5%. By what percent has it gone up in all? =
35. 35.A table fan is marked at ₹2920. The shop gives a 5% discount. How much do you pay (in ₹)?
36. 36.A pair of shoes bought for ₹420 is sold at a profit of 50%. What is the selling price (in ₹)?
37. 37.In how many years will ₹6700 earn ₹134 as simple interest at 2% per year?
38. 38.A school bag marked at ₹4760 is sold for ₹2856. What is the discount percent?
39. 39.Marks of 4 friends in a quiz: 32, 47, 37, 24. What is their average mark?
40. 40.Diya puts ₹19700 in a bank at 12% simple interest per year. How much will she have after 3 years (in ₹)?

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