Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 466 · 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.Aarav’s father is twice as old as Aarav. The sum of their ages is 33 years. How old is Aarav?
2. 2.After a 30% discount, a study lamp costs ₹2786. What was its marked price (in ₹)?
3. 3.A shopkeeper buys a school bag for ₹560 and sells it for ₹672. Find the profit percent.
4. 4.The price of a school bag changes from ₹4180 to ₹3971. By what percent did it come down?
5. 5.Find the simple interest on ₹14500 at 11% per year for 3 years (in ₹).
6. 6.Marks of 4 friends in a quiz: 11, 13, 34, 26. What is their average mark?
7. 7.What is the difference between the compound interest and the simple interest on ₹49200 at 15% per year for 2 years (in ₹)?
8. 8.A shop sells 1260 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
9. 9.A price goes up by 25% and then goes up by 15% more. By what percent has it gone up in all? =
10. 10.Diya puts ₹15400 in a bank at 2% simple interest per year. How much will she have after 3 years (in ₹)?
11. 11.The average of 4 numbers is 54. When one more number is added, the average becomes 58. What number was added?
12. 12.In how many years will ₹11700 earn ₹6435 as simple interest at 11% per year?
13. 13.Kabir cycles to his school at 24 km/h and comes back by the same road at 72 km/h. What is his average speed for the whole trip (in km/h)?
14. 14.Change 18 km/h into metres per second.
15. 15.A water tank holds 3200 litres. 25% of the water is used. How many litres are left?
16. 16.The price of a school bag changes from ₹1500 to ₹1050. By what percent did it come down?
17. 17.Farhan’s father is four times as old as Farhan. The sum of their ages is 25 years. How old is Farhan?
18. 18.In 13 years, Aarav will be twice as old as Aarav was 5 years ago. How old is Aarav now?
19. 19.The price of a school bag changes from ₹1080 to ₹1026. By what percent did it come down?
20. 20.Nisha can finish a job in 13 days and Pooja in 7 days. What fraction of the job do they finish if they work together for 2 days? =
21. 21.The average weight of 10 children is 41 kg. One child, who weighs 59 kg, leaves the group. What is the new average weight (in kg)?
22. 22.By selling a school bag for ₹760, a shopkeeper makes a loss of 50%. What did the school bag cost the shopkeeper (in ₹)?
23. 23.The average weight of 9 children is 37 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
24. 24.Change 5 m/s into km/h.
25. 25.What sum of money earns ₹1188 simple interest in 4 years at 9% per year (in ₹)?
26. 26.5 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 19 years old now. How old is Ishaan now?
27. 27.The price of a bicycle is ₹3460. It goes up by 25%. What is the new price (in ₹)?
28. 28.In 27 years, Farhan will be twice as old as Farhan was 6 years ago. How old is Farhan now?
29. 29.9 years ago, Arjun’s mother was four times as old as Arjun. The mother is 37 years old now. How old is Arjun now?
30. 30.Change 36 km/h into metres per second.
31. 31.The price of a bicycle is ₹900. It goes up by 5%. What is the new price (in ₹)?
32. 32.Nisha can finish a job in 10 days and Arjun in 18 days. What fraction of the job do they finish if they work together for 1 day? =
33. 33.Ishaan’s batting average after 9 innings is 21 runs. How many runs must Ishaan score in the next innings to raise the average to 23?
34. 34.A watch is marked at ₹1180. The shop gives a 25% discount. How much do you pay (in ₹)?
35. 35.By selling a school bag for ₹2090, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
36. 36.Find the amount when ₹15000 is invested at 10% per year compound interest for 3 years (in ₹).
37. 37.A watch is marked at ₹405. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
38. 38.Kabir cycles to his school at 20 km/h and comes back by the same road at 80 km/h. What is his average speed for the whole trip (in km/h)?
39. 39.The average of 4 numbers is 18. When one more number is added, the average becomes 24. What number was added?
40. 40.A shopkeeper buys a table fan for ₹380 and sells it for ₹494. Find the profit percent.

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