Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 11 · 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. 1.8 years ago, Kabir’s mother was twice as old as Kabir. The mother is 30 years old now. How old is Kabir now?
2. 2.Aarav is 3 years older than Priya. In 3 years, the sum of their ages will be 51. How old is Priya now?
3. 3.A table fan is marked at ₹4740. The shop gives a 5% discount. How much do you pay (in ₹)?
4. 4.Marks of 5 friends in a quiz: 41, 42, 40, 33, 59. What is their average mark?
5. 5.A price comes down by 30% and then comes down by 20% more. By what percent has it come down in all? =
6. 6.Change 90 km/h into metres per second.
7. 7.By selling a bicycle for ₹651, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹35200 at 25% per year for 2 years (in ₹)?
9. 9.Arjun is 4 years older than Meera. In 3 years, the sum of their ages will be 28. How old is Meera now?
10. 10.A water tank holds 2460 litres. 20% of the water is used. How many litres are left?
11. 11.Find the amount when ₹24000 is invested at 5% per year compound interest for 3 years (in ₹).
12. 12.Sneha’s batting average after 9 innings is 27 runs. How many runs must Sneha score in the next innings to raise the average to 28?
13. 13.After a 15% discount, a watch costs ₹1649. What was its marked price (in ₹)?
14. 14.A cricket bat is marked at ₹3760. The shop gives a 50% discount. How much do you pay (in ₹)?
15. 15.A water tank holds 2900 litres. 50% of the water is used. How many litres are left?
16. 16.In 6 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
17. 17.A table fan marked at ₹3840 is sold for ₹3072. What is the discount percent?
18. 18.A shopkeeper buys a bicycle for ₹360 and sells it for ₹396. Find the profit percent.
19. 19.The price of a school bag changes from ₹520 to ₹598. By what percent did it go up?
20. 20.A town has 780 people. Its population grows by 40%. How many people live there now?
21. 21.Find the amount when ₹40192 is invested at 25% per year compound interest for 3 years (in ₹).
22. 22.In 10 years, Vivaan will be twice as old as Vivaan was 3 years ago. How old is Vivaan now?
23. 23.By selling a study lamp for ₹836, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
24. 24.The simple interest on ₹12200 for 1 year is ₹1220. What is the rate of interest (% per year)?
25. 25.What sum of money earns ₹696 simple interest in 1 year at 12% per year (in ₹)?
26. 26.The price of a school bag changes from ₹640 to ₹768. By what percent did it go up?
27. 27.Diya puts ₹10100 in a bank at 7% simple interest per year. How much will she have after 5 years (in ₹)?
28. 28.By selling a pair of shoes for ₹400, a shopkeeper makes a loss of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
29. 29.A shopkeeper buys a bicycle for ₹100 and sells it for ₹110. Find the profit percent.
30. 30.Rohan can finish a job in 10 days and Diya in 5 days. Rohan works alone for 2 days and then stops. Diya finishes the rest. How many days does Diya take?
31. 31.Diya puts ₹9600 in a bank at 11% simple interest per year. How much will she have after 4 years (in ₹)?
32. 32.Diya puts ₹19500 in a bank at 12% simple interest per year. How much will she have after 2 years (in ₹)?
33. 33.A watch bought for ₹240 is sold at a loss of 15%. What is the selling price (in ₹)?
34. 34.A study lamp is marked at ₹4400. The shop gives a 40% discount. How much do you pay (in ₹)?
35. 35.Find the amount when ₹23250 is invested at 20% per year compound interest for 3 years (in ₹).
36. 36.In 11 years, Manav will be twice as old as Manav was 2 years ago. How old is Manav now?
37. 37.Ananya can finish a job in 6 days and Pooja in 12 days. Ananya works alone for 3 days and then stops. Pooja finishes the rest. How many days does Pooja take?
38. 38.Meera can finish a job in 7 days and Rahul in 19 days. What fraction of the job do they finish if they work together for 1 day? =
39. 39.By selling a school bag for ₹658, a shopkeeper makes a loss of 30%. What did the school bag cost the shopkeeper (in ₹)?
40. 40.By selling a pressure cooker for ₹2700, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?

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