Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 277 · 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.Find the amount when ₹18125 is invested at 4% per year compound interest for 2 years (in ₹).
2. 2.What is the difference between the compound interest and the simple interest on ₹23200 at 15% per year for 2 years (in ₹)?
3. 3.By selling a bicycle for ₹170, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
4. 4.A shopkeeper buys a table fan for ₹820 and sells it for ₹779. Find the loss percent.
5. 5.Ishaan’s batting average after 8 innings is 44 runs. How many runs must Ishaan score in the next innings to raise the average to 45?
6. 6.A shopkeeper buys a school bag for ₹440 and sells it for ₹264. Find the loss percent.
7. 7.What sum of money earns ₹494 simple interest in 2 years at 13% per year (in ₹)?
8. 8.A shopkeeper buys a pair of shoes for ₹1600 and sells it for ₹1360. Find the loss percent.
9. 9.Change 35 m/s into km/h.
10. 10.A water tank holds 1960 litres. 40% of the water is used. How many litres are left?
11. 11.Tara’s father is three times as old as Tara. The sum of their ages is 60 years. How old is Tara?
12. 12.A table fan is marked at ₹480. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
13. 13.Rohan can finish a job in 6 days and Isha in 14 days. What fraction of the job do they finish if they work together for 2 days? =
14. 14.A price goes up by 50% and then comes down by 20%. By what percent has it gone up in all? =
15. 15.Zoya is 7 years older than Aditya. In 2 years, the sum of their ages will be 25. How old is Aditya now?
16. 16.A cricket bat is marked at ₹425. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
17. 17.Diya puts ₹2900 in a bank at 5% simple interest per year. How much will she have after 3 years (in ₹)?
18. 18.Change 90 km/h into metres per second.
19. 19.After a 25% discount, a watch costs ₹2910. What was its marked price (in ₹)?
20. 20.A water tank holds 2040 litres. 15% of the water is used. How many litres are left?
21. 21.A bicycle is marked at ₹480. The shop gives a 40% discount. How much do you pay (in ₹)?
22. 22.A table fan is marked at ₹405. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
23. 23.What is the difference between the compound interest and the simple interest on ₹5000 at 12% per year for 2 years (in ₹)?
24. 24.Tara’s batting average after 14 innings is 31 runs. How many runs must Tara score in the next innings to raise the average to 34?
25. 25.What is the difference between the compound interest and the simple interest on ₹41200 at 15% per year for 2 years (in ₹)?
26. 26.By selling a school bag for ₹1568, a shopkeeper makes a profit of 40%. What did the school bag cost the shopkeeper (in ₹)?
27. 27.A shopkeeper buys a pair of shoes for ₹580 and sells it for ₹435. Find the loss percent.
28. 28.The simple interest on ₹7700 for 3 years is ₹3234. What is the rate of interest (% per year)?
29. 29.Marks of 6 friends in a quiz: 8, 35, 30, 34, 11, 14. What is their average mark?
30. 30.A shop sells 4380 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
31. 31.A shop sells an average of 53 kg of sugar a day for 6 days, and then 56 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
32. 32.A study lamp is marked at ₹816. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
33. 33.The simple interest on ₹1600 for 1 year is ₹240. What is the rate of interest (% per year)?
34. 34.Rohan is 2 years older than Aarav. In 8 years, the sum of their ages will be 30. How old is Aarav now?
35. 35.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
36. 36.Diya can finish a job in 14 days and Ishaan in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
37. 37.The average of 4 numbers is 48. When one more number is added, the average becomes 49. What number was added?
38. 38.Kabir cycles to his school at 72 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
39. 39.A study lamp bought for ₹560 is sold at a loss of 40%. What is the selling price (in ₹)?
40. 40.6 years ago, Arjun’s mother was three times as old as Arjun. The mother is 39 years old now. How old is Arjun now?

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