Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 79 · 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 bicycle is marked at ₹456. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
2. 2.Find the simple interest on ₹11100 at 8% per year for 3 years (in ₹).
3. 3.Find the simple interest on ₹5400 at 2% per year for 1 year (in ₹).
4. 4.A car runs for 2 hours at 35 km/h and then for 4 hours at 80 km/h. What is its average speed for the whole journey (in km/h)?
5. 5.A school bag marked at ₹1420 is sold for ₹1207. What is the discount percent?
6. 6.Kabir cycles to his school at 24 km/h and comes back by the same road at 48 km/h. What is his average speed for the whole trip (in km/h)?
7. 7.A school bag is marked at ₹1500. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
8. 8.A shop sells an average of 33 kg of sugar a day for 4 days, and then 53 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
9. 9.The simple interest on ₹16200 for 5 years is ₹11340. What is the rate of interest (% per year)?
10. 10.A price goes up by 50% and then goes up by 25% more. By what percent has it gone up in all? =
11. 11.The average of 5 numbers is 58. When one more number is added, the average becomes 62. What number was added?
12. 12.What is the difference between the compound interest and the simple interest on ₹40000 at 5% per year for 2 years (in ₹)?
13. 13.By selling a bicycle for ₹231, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
14. 14.By selling a table fan for ₹1792, a shopkeeper makes a profit of 40%. What did the table fan cost the shopkeeper (in ₹)?
15. 15.A bicycle is marked at ₹2240. The shop gives a 15% discount. How much do you pay (in ₹)?
16. 16.Find the amount when ₹17328 is invested at 25% per year compound interest for 2 years (in ₹).
17. 17.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
18. 18.A water tank holds 2840 litres. 5% of the water is used. How many litres are left?
19. 19.How many minutes does a car take to go 121 km at 30 km/h?
20. 20.Marks of 5 friends in a quiz: 50, 56, 53, 55, 66. What is their average mark?
21. 21.Rahul works three times as fast as Rohan. Together they finish a job in 9 days. How many days would Rohan take alone?
22. 22.In how many years will ₹10600 earn ₹3180 as simple interest at 6% per year?
23. 23.In 2 years, Kavya will be twice as old as Kavya was 3 years ago. How old is Kavya now?
24. 24.The average of 9 numbers is 25. When one more number is added, the average becomes 28. What number was added?
25. 25.Ananya can finish a job in 6 days and Zoya in 4 days. What fraction of the job do they finish if they work together for 1 day? =
26. 26.The average of 4 numbers is 23. When one more number is added, the average becomes 24. What number was added?
27. 27.A cricket bat marked at ₹1060 is sold for ₹795. What is the discount percent?
28. 28.By selling a school bag for ₹682, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
29. 29.A shop sells an average of 60 kg of sugar a day for 6 days, and then 30 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
30. 30.Saanvi works three times as fast as Tara. Together they finish a job in 9 days. How many days would Tara take alone?
31. 31.Farhan and Saanvi together finish a job in 10 days. Farhan alone takes 20 days. How many days would Saanvi take alone?
32. 32.3 years ago, Zoya’s mother was four times as old as Zoya. The mother is 15 years old now. How old is Zoya now?
33. 33.Rahul and Nisha together finish a job in 10 days. Rahul alone takes 15 days. How many days would Nisha take alone?
34. 34.Nisha can finish a job in 5 days and Arjun in 20 days. Nisha works alone for 3 days and then stops. Arjun finishes the rest. How many days does Arjun take?
35. 35.A shop sells 3420 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
36. 36.Find the simple interest on ₹13100 at 6% per year for 1 year (in ₹).
37. 37.In how many years will ₹7800 earn ₹1560 as simple interest at 5% per year?
38. 38.Rahul is 2 years older than Priya. In 10 years, the sum of their ages will be 54. How old is Priya now?
39. 39.A town has 2780 people. Its population grows by 5%. How many people live there now?
40. 40.Change 36 km/h into metres per second.

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