Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 338 · 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 price goes up by 15% and then goes up by 10% more. By what percent has it gone up in all? =
2. 2.A pressure cooker marked at ₹3000 is sold for ₹2100. What is the discount percent?
3. 3.A shopkeeper buys a school bag for ₹140 and sells it for ₹112. Find the loss percent.
4. 4.A pressure cooker is marked at ₹800. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
5. 5.A table fan marked at ₹1520 is sold for ₹912. What is the discount percent?
6. 6.A study lamp marked at ₹500 is sold for ₹350. What is the discount percent?
7. 7.A bicycle marked at ₹2580 is sold for ₹2322. What is the discount percent?
8. 8.2 years ago, Tara’s mother was three times as old as Tara. The mother is 17 years old now. How old is Tara now?
9. 9.The average weight of 11 children is 38 kg. One child, who weighs 68 kg, leaves the group. What is the new average weight (in kg)?
10. 10.In how many years will ₹4300 earn ₹258 as simple interest at 2% per year?
11. 11.How many minutes does a car take to go 16 km at 30 km/h?
12. 12.7 years ago, Ananya’s mother was three times as old as Ananya. The mother is 34 years old now. How old is Ananya now?
13. 13.Marks of 4 friends in a quiz: 73, 47, 51, 69. What is their average mark?
14. 14.Priya’s batting average after 5 innings is 23 runs. How many runs must Priya score in the next innings to raise the average to 24?
15. 15.Find the amount when ₹22300 is invested at 10% per year compound interest for 2 years (in ₹).
16. 16.Manav is 6 years older than Karan. In 9 years, the sum of their ages will be 44. How old is Karan now?
17. 17.Find the simple interest on ₹16000 at 4% per year for 4 years (in ₹).
18. 18.A study lamp is marked at ₹1050. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
19. 19.Change 15 m/s into km/h.
20. 20.A bicycle marked at ₹800 is sold for ₹400. What is the discount percent?
21. 21.Find the amount when ₹15625 is invested at 12% per year compound interest for 2 years (in ₹).
22. 22.Find the compound interest on ₹1328 at 25% per year for 2 years, added every year (in ₹).
23. 23.Kabir’s father is twice as old as Kabir. The sum of their ages is 15 years. How old is Kabir?
24. 24.The price of a bicycle is ₹620. It goes up by 30%. What is the new price (in ₹)?
25. 25.Diya puts ₹11300 in a bank at 3% simple interest per year. How much will she have after 1 year (in ₹)?
26. 26.The price of a school bag changes from ₹3820 to ₹4011. By what percent did it go up?
27. 27.3 years ago, Diya’s mother was twice as old as Diya. The mother is 9 years old now. How old is Diya now?
28. 28.The price of a bicycle is ₹920. It goes up by 40%. What is the new price (in ₹)?
29. 29.By selling a school bag for ₹1029, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
30. 30.4 years ago, Farhan’s mother was three times as old as Farhan. The mother is 25 years old now. How old is Farhan now?
31. 31.A price goes up by 40% and then goes up by 40% more. By what percent has it gone up in all? =
32. 32.A watch is marked at ₹560. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
33. 33.Marks of 4 friends in a quiz: 39, 33, 61, 59. What is their average mark?
34. 34.A table fan is marked at ₹1260. The shop gives a 15% discount. How much do you pay (in ₹)?
35. 35.Kabir cycles to his school at 80 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
36. 36.The average weight of 11 children is 42 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
37. 37.Saanvi can finish a job in 10 days and Aditya in 20 days. Saanvi works alone for 6 days and then stops. Aditya finishes the rest. How many days does Aditya take?
38. 38.Farhan can finish a job in 20 days and Isha in 10 days. Farhan works alone for 4 days and then stops. Isha finishes the rest. How many days does Isha take?
39. 39.A shop sells 3180 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
40. 40.In how many years will ₹2300 earn ₹92 as simple interest at 4% per year?

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