Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 65 · 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.Kabir cycles to his school at 30 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
2. 2.Find the amount when ₹3700 is invested at 20% per year compound interest for 2 years (in ₹).
3. 3.What sum of money earns ₹1560 simple interest in 1 year at 15% per year (in ₹)?
4. 4.A study lamp marked at ₹2140 is sold for ₹1605. What is the discount percent?
5. 5.After a 30% discount, a bicycle costs ₹1974. What was its marked price (in ₹)?
6. 6.The price of a bicycle is ₹4320. It goes up by 5%. What is the new price (in ₹)?
7. 7.A price goes up by 50% and then goes up by 20% more. By what percent has it gone up in all? =
8. 8.The simple interest on ₹18900 for 2 years is ₹4914. What is the rate of interest (% per year)?
9. 9.Diya puts ₹11000 in a bank at 15% simple interest per year. How much will she have after 1 year (in ₹)?
10. 10.A shop sells 4120 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
11. 11.Kabir cycles to his school at 80 km/h and comes back by the same road at 48 km/h. What is his average speed for the whole trip (in km/h)?
12. 12.A shopkeeper buys a pressure cooker for ₹280 and sells it for ₹168. Find the loss percent.
13. 13.Find the simple interest on ₹700 at 3% per year for 4 years (in ₹).
14. 14.A water tank holds 4600 litres. 40% of the water is used. How many litres are left?
15. 15.Change 18 km/h into metres per second.
16. 16.Nisha’s father is five times as old as Nisha. The sum of their ages is 36 years. How old is the father?
17. 17.In 24 years, Isha will be twice as old as Isha was 6 years ago. How old is Isha now?
18. 18.Diya is 4 years older than Kabir. In 3 years, the sum of their ages will be 44. How old is Kabir now?
19. 19.Aarav and Rohan together finish a job in 16 days. Aarav alone takes 20 days. How many days would Rohan take alone?
20. 20.What sum of money earns ₹632 simple interest in 4 years at 2% per year (in ₹)?
21. 21.Find the compound interest on ₹9200 at 15% per year for 2 years, added every year (in ₹).
22. 22.A shopkeeper buys a table fan for ₹1940 and sells it for ₹2328. Find the profit percent.
23. 23.Find the compound interest on ₹26000 at 10% per year for 3 years, added every year (in ₹).
24. 24.Zoya’s father is twice as old as Zoya. The sum of their ages is 33 years. How old is Zoya?
25. 25.A bus runs at 38 km/h. How far does it go in 30 minutes (in km)?
26. 26.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
27. 27.Aditya can finish a job in 12 days and Aarav in 13 days. What fraction of the job do they finish if they work together for 2 days? =
28. 28.In how many years will ₹13500 earn ₹1890 as simple interest at 7% per year?
29. 29.A car runs for 3 hours at 23 km/h and then for 3 hours at 63 km/h. What is its average speed for the whole journey (in km/h)?
30. 30.Change 90 km/h into metres per second.
31. 31.What is the difference between the compound interest and the simple interest on ₹32500 at 8% per year for 2 years (in ₹)?
32. 32.In how many years will ₹3400 earn ₹204 as simple interest at 3% per year?
33. 33.By selling a bicycle for ₹1782, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
34. 34.The price of a bicycle is ₹3780. It goes up by 30%. What is the new price (in ₹)?
35. 35.Tara works three times as fast as Meera. Together they finish a job in 3 days. How many days would Meera take alone?
36. 36.A shop sells 4260 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
37. 37.The average weight of 10 children is 31 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
38. 38.A price comes down by 50% and then comes down by 20% more. By what percent has it come down in all? =
39. 39.A shopkeeper buys a school bag for ₹420 and sells it for ₹441. Find the profit percent.
40. 40.How many minutes does a car take to go 39 km at 52 km/h?

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