Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 354 · 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 school bag marked at ₹4160 is sold for ₹2496. What is the discount percent?
2. 2.Find the amount when ₹24375 is invested at 8% per year compound interest for 2 years (in ₹).
3. 3.What is the difference between the compound interest and the simple interest on ₹45200 at 25% per year for 2 years (in ₹)?
4. 4.Aditya’s batting average after 10 innings is 45 runs. How many runs must Aditya score in the next innings to raise the average to 49?
5. 5.Sneha can finish a job in 4 days and Ananya in 12 days. Sneha works alone for 1 day and then stops. Ananya finishes the rest. How many days does Ananya take?
6. 6.The average of 7 numbers is 45. When one more number is added, the average becomes 51. What number was added?
7. 7.A town has 3660 people. Its population grows by 15%. How many people live there now?
8. 8.Manav can finish a job in 7 days and Diya in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
9. 9.A shopkeeper buys a bicycle for ₹480 and sells it for ₹240. Find the loss percent.
10. 10.What is the difference between the compound interest and the simple interest on ₹12500 at 12% per year for 2 years (in ₹)?
11. 11.The simple interest on ₹18100 for 3 years is ₹2715. What is the rate of interest (% per year)?
12. 12.A study lamp is marked at ₹3140. The shop gives a 10% discount. How much do you pay (in ₹)?
13. 13.Rohan and Sneha together finish a job in 6 days. Rohan alone takes 7 days. How many days would Sneha take alone?
14. 14.Aarav can finish a job in 8 days and Dev in 24 days. Aarav works alone for 6 days and then stops. Dev finishes the rest. How many days does Dev take?
15. 15.The simple interest on ₹13100 for 2 years is ₹2620. What is the rate of interest (% per year)?
16. 16.In 8 years, Kabir will be twice as old as Kabir was 3 years ago. How old is Kabir now?
17. 17.A water tank holds 4460 litres. 10% of the water is used. How many litres are left?
18. 18.Dev can finish a job in 2 days and Diya in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.Find the simple interest on ₹1000 at 7% per year for 2 years (in ₹).
20. 20.Priya can finish a job in 28 days and Aarav in 18 days. Priya works alone for 14 days and then stops. Aarav finishes the rest. How many days does Aarav take?
21. 21.A shopkeeper buys a pair of shoes for ₹1200 and sells it for ₹1080. Find the loss percent.
22. 22.A shop sells 2680 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
23. 23.After a 15% discount, a watch costs ₹289. What was its marked price (in ₹)?
24. 24.Priya can finish a job in 18 days and Tara in 4 days. What fraction of the job do they finish if they work together for 1 day? =
25. 25.Marks of 6 friends in a quiz: 50, 43, 52, 69, 45, 83. What is their average mark?
26. 26.8 years ago, Arjun’s mother was three times as old as Arjun. The mother is 26 years old now. How old is Arjun now?
27. 27.By selling a school bag for ₹540, a shopkeeper makes a loss of 50%. What did the school bag cost the shopkeeper (in ₹)?
28. 28.Rahul and Meera together finish a job in 21 days. Rahul alone takes 28 days. How many days would Meera take alone?
29. 29.The price of a school bag changes from ₹4120 to ₹2060. By what percent did it come down?
30. 30.Find the amount when ₹9875 is invested at 20% per year compound interest for 2 years (in ₹).
31. 31.Marks of 5 friends in a quiz: 97, 97, 73, 77, 81. What is their average mark?
32. 32.Kabir works twice as fast as Manav. Together they finish a job in 9 days. How many days would Manav take alone?
33. 33.Kabir cycles to his school at 15 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.Rohan is 5 years older than Manav. In 4 years, the sum of their ages will be 41. How old is Manav now?
35. 35.A car runs for 1 hour at 56 km/h and then for 1 hour at 70 km/h. What is its average speed for the whole journey (in km/h)?
36. 36.The average weight of 5 children is 33 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
37. 37.A watch marked at ₹1780 is sold for ₹1513. What is the discount percent?
38. 38.The price of a school bag changes from ₹1440 to ₹1728. By what percent did it go up?
39. 39.How many minutes does a car take to go 104 km at 30 km/h?
40. 40.7 years ago, Arjun’s mother was twice as old as Arjun. The mother is 19 years old now. How old is Arjun now?

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