Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 931 · 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.Change 18 km/h into metres per second.
2. 2.What sum of money earns ₹340 simple interest in 2 years at 5% per year (in ₹)?
3. 3.The simple interest on ₹17600 for 3 years is ₹4752. What is the rate of interest (% per year)?
4. 4.What sum of money earns ₹1240 simple interest in 4 years at 10% per year (in ₹)?
5. 5.The simple interest on ₹7000 for 5 years is ₹2450. What is the rate of interest (% per year)?
6. 6.A pressure cooker bought for ₹1960 is sold at a profit of 15%. What is the selling price (in ₹)?
7. 7.How many minutes does a car take to go 78 km at 36 km/h?
8. 8.What sum of money earns ₹320 simple interest in 4 years at 10% per year (in ₹)?
9. 9.A watch is marked at ₹3920. The shop gives a 15% discount. How much do you pay (in ₹)?
10. 10.Ananya and Isha together finish a job in 15 days. Ananya alone takes 20 days. How many days would Isha take alone?
11. 11.Dev is 7 years older than Sneha. In 9 years, the sum of their ages will be 39. How old is Sneha now?
12. 12.What is the difference between the compound interest and the simple interest on ₹18800 at 25% per year for 2 years (in ₹)?
13. 13.Karan’s batting average after 8 innings is 46 runs. How many runs must Karan score in the next innings to raise the average to 51?
14. 14.What sum of money earns ₹1881 simple interest in 3 years at 11% per year (in ₹)?
15. 15.Diya puts ₹9200 in a bank at 10% simple interest per year. How much will she have after 4 years (in ₹)?
16. 16.A bus runs at 30 km/h. How far does it go in 20 minutes (in km)?
17. 17.A watch bought for ₹660 is sold at a loss of 10%. What is the selling price (in ₹)?
18. 18.A school bag marked at ₹1500 is sold for ₹1425. What is the discount percent?
19. 19.A bicycle marked at ₹1900 is sold for ₹1330. What is the discount percent?
20. 20.The average weight of 6 children is 43 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
21. 21.What sum of money earns ₹6780 simple interest in 4 years at 15% per year (in ₹)?
22. 22.A town has 1280 people. Its population grows by 30%. How many people live there now?
23. 23.A cricket bat marked at ₹740 is sold for ₹629. What is the discount percent?
24. 24.Find the simple interest on ₹4700 at 4% per year for 4 years (in ₹).
25. 25.A table fan is marked at ₹496. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
26. 26.Isha can finish a job in 20 days and Priya in 18 days. Isha works alone for 10 days and then stops. Priya finishes the rest. How many days does Priya take?
27. 27.Sneha is 3 years older than Ishaan. In 6 years, the sum of their ages will be 49. How old is Ishaan now?
28. 28.Arjun is 9 years older than Pooja. In 6 years, the sum of their ages will be 67. How old is Pooja now?
29. 29.Find the compound interest on ₹49150 at 20% per year for 2 years, added every year (in ₹).
30. 30.The price of a school bag changes from ₹4040 to ₹3030. By what percent did it come down?
31. 31.The price of a bicycle is ₹2240. It goes up by 30%. What is the new price (in ₹)?
32. 32.The price of a bicycle is ₹2440. It goes up by 25%. What is the new price (in ₹)?
33. 33.A shopkeeper buys a pair of shoes for ₹1740 and sells it for ₹1218. Find the loss percent.
34. 34.In how many years will ₹17600 earn ₹1056 as simple interest at 6% per year?
35. 35.Change 36 km/h into metres per second.
36. 36.A pressure cooker is marked at ₹2820. The shop gives a 50% discount. How much do you pay (in ₹)?
37. 37.Find the amount when ₹30800 is invested at 5% per year compound interest for 2 years (in ₹).
38. 38.A table fan is marked at ₹1840. The shop gives a 30% discount. How much do you pay (in ₹)?
39. 39.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
40. 40.The average of 5 numbers is 47. When one more number is added, the average becomes 51. What number was added?

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