Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 880 · 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.By selling a pressure cooker for ₹2436, a shopkeeper makes a profit of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
2. 2.What is the difference between the compound interest and the simple interest on ₹17200 at 5% per year for 2 years (in ₹)?
3. 3.Find the compound interest on ₹19125 at 20% per year for 2 years, added every year (in ₹).
4. 4.The average of 8 numbers is 17. When one more number is added, the average becomes 21. What number was added?
5. 5.Find the compound interest on ₹16000 at 5% per year for 3 years, added every year (in ₹).
6. 6.Kabir can finish a job in 7 days and Arjun in 16 days. What fraction of the job do they finish if they work together for 1 day? =
7. 7.In 4 years, Aditya will be three times as old as Aditya was 4 years ago. How old is Aditya now?
8. 8.A bus runs at 78 km/h. How far does it go in 10 minutes (in km)?
9. 9.3 years ago, Meera’s mother was twice as old as Meera. The mother is 9 years old now. How old is Meera now?
10. 10.In 18 years, Aarav will be twice as old as Aarav was 2 years ago. How old is Aarav now?
11. 11.A bus runs at 39 km/h. How far does it go in 40 minutes (in km)?
12. 12.A shopkeeper buys a school bag for ₹560 and sells it for ₹476. Find the loss percent.
13. 13.The price of a school bag changes from ₹1760 to ₹880. By what percent did it come down?
14. 14.What sum of money earns ₹4776 simple interest in 4 years at 6% per year (in ₹)?
15. 15.Marks of 5 friends in a quiz: 65, 66, 53, 78, 63. What is their average mark?
16. 16.Saanvi can finish a job in 4 days and Pooja in 8 days. Saanvi works alone for 3 days and then stops. Pooja finishes the rest. How many days does Pooja take?
17. 17.A cricket bat bought for ₹840 is sold at a profit of 20%. What is the selling price (in ₹)?
18. 18.Tara is 3 years older than Kavya. In 3 years, the sum of their ages will be 61. How old is Kavya now?
19. 19.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)?
20. 20.Kabir cycles to his school at 77 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
21. 21.In 23 years, Tara will be twice as old as Tara was 2 years ago. How old is Tara now?
22. 22.A price comes down by 15% and then comes down by 15% more. By what percent has it come down in all? =
23. 23.A cricket bat marked at ₹320 is sold for ₹160. What is the discount percent?
24. 24.A water tank holds 340 litres. 5% of the water is used. How many litres are left?
25. 25.In how many years will ₹3700 earn ₹1036 as simple interest at 14% per year?
26. 26.A water tank holds 2220 litres. 5% of the water is used. How many litres are left?
27. 27.A price comes down by 30% and then comes down by 15% more. By what percent has it come down in all? =
28. 28.Kabir cycles to his school at 60 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.By selling a pressure cooker for ₹132, a shopkeeper makes a loss of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
30. 30.In how many years will ₹8300 earn ₹2739 as simple interest at 11% per year?
31. 31.By selling a cricket bat for ₹504, a shopkeeper makes a profit of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
32. 32.How many minutes does a car take to go 38 km at 76 km/h?
33. 33.A shop sells an average of 59 kg of sugar a day for 2 days, and then 34 kg a day for the next 3 days. What is the average sale per day for all 5 days (in kg)?
34. 34.Find the simple interest on ₹2700 at 15% per year for 2 years (in ₹).
35. 35.In 16 years, Ananya will be twice as old as Ananya was 2 years ago. How old is Ananya now?
36. 36.A shopkeeper buys a watch for ₹1260 and sells it for ₹1890. Find the profit percent.
37. 37.By selling a bicycle for ₹630, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
38. 38.Marks of 6 friends in a quiz: 45, 39, 55, 37, 52, 72. What is their average mark?
39. 39.By selling a school bag for ₹1312, a shopkeeper makes a loss of 20%. What did the school bag cost the shopkeeper (in ₹)?
40. 40.Find the simple interest on ₹13400 at 7% per year for 1 year (in ₹).

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