Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 213 · 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.Diya puts ₹12200 in a bank at 9% simple interest per year. How much will she have after 3 years (in ₹)?
2. 2.The average of 7 numbers is 39. When one more number is added, the average becomes 43. What number was added?
3. 3.Find the compound interest on ₹36250 at 12% per year for 2 years, added every year (in ₹).
4. 4.The simple interest on ₹18900 for 4 years is ₹8316. What is the rate of interest (% per year)?
5. 5.A water tank holds 340 litres. 25% of the water is used. How many litres are left?
6. 6.Isha is 6 years older than Ishaan. In 2 years, the sum of their ages will be 36. How old is Ishaan now?
7. 7.A pair of shoes bought for ₹400 is sold at a profit of 40%. What is the selling price (in ₹)?
8. 8.What sum of money earns ₹2016 simple interest in 4 years at 9% per year (in ₹)?
9. 9.In how many years will ₹10700 earn ₹3210 as simple interest at 15% per year?
10. 10.A car runs for 2 hours at 72 km/h and then for 2 hours at 24 km/h. What is its average speed for the whole journey (in km/h)?
11. 11.Zoya is 3 years older than Priya. In 4 years, the sum of their ages will be 35. How old is Priya now?
12. 12.The average weight of 6 children is 41 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
13. 13.By selling a study lamp for ₹494, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
14. 14.A shop sells 80 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
15. 15.Saanvi’s father is twice as old as Saanvi. The sum of their ages is 30 years. How old is Saanvi?
16. 16.Find the simple interest on ₹2300 at 10% per year for 2 years (in ₹).
17. 17.A water tank holds 460 litres. 10% of the water is used. How many litres are left?
18. 18.A shop sells 3960 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
19. 19.A bus runs at 90 km/h. How far does it go in 30 minutes (in km)?
20. 20.A pair of shoes marked at ₹4620 is sold for ₹2310. What is the discount percent?
21. 21.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
22. 22.What is the difference between the compound interest and the simple interest on ₹1600 at 5% per year for 2 years (in ₹)?
23. 23.Sneha can finish a job in 4 days and Kabir in 15 days. What fraction of the job do they finish if they work together for 1 day? =
24. 24.The price of a bicycle is ₹2700. It goes up by 25%. What is the new price (in ₹)?
25. 25.The price of a school bag changes from ₹500 to ₹575. By what percent did it go up?
26. 26.Kavya works twice as fast as Tara. Together they finish a job in 2 days. How many days would Tara take alone?
27. 27.Kabir cycles to his school at 12 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)?
28. 28.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 30 years. How old is Vivaan?
29. 29.A cricket bat is marked at ₹900. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
30. 30.How many minutes does a car take to go 69 km at 30 km/h?
31. 31.After a 5% discount, a bicycle costs ₹1444. What was its marked price (in ₹)?
32. 32.Farhan’s batting average after 6 innings is 42 runs. How many runs must Farhan score in the next innings to raise the average to 47?
33. 33.A price comes down by 30% and then comes down by 25% more. By what percent has it come down in all? =
34. 34.Change 20 m/s into km/h.
35. 35.The average of 8 numbers is 47. When one more number is added, the average becomes 48. What number was added?
36. 36.By selling a watch for ₹798, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
37. 37.The simple interest on ₹14600 for 3 years is ₹6132. What is the rate of interest (% per year)?
38. 38.A town has 4820 people. Its population grows by 30%. How many people live there now?
39. 39.A shopkeeper buys a pressure cooker for ₹1340 and sells it for ₹1474. Find the profit percent.
40. 40.By selling a watch for ₹690, a shopkeeper makes a profit of 15%. What did the watch cost the shopkeeper (in ₹)?

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