Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 195 · 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.Rahul works twice as fast as Aarav. Together they finish a job in 12 days. How many days would Aarav take alone?
2. 2.After a 30% discount, a watch costs ₹2548. What was its marked price (in ₹)?
3. 3.Find the compound interest on ₹2000 at 20% per year for 3 years, added every year (in ₹).
4. 4.A pair of shoes marked at ₹1400 is sold for ₹700. What is the discount percent?
5. 5.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
6. 6.8 years ago, Aarav’s mother was twice as old as Aarav. The mother is 30 years old now. How old is Aarav now?
7. 7.In 29 years, Pooja will be twice as old as Pooja was 4 years ago. How old is Pooja now?
8. 8.A pressure cooker bought for ₹760 is sold at a loss of 15%. What is the selling price (in ₹)?
9. 9.A water tank holds 3780 litres. 10% of the water is used. How many litres are left?
10. 10.The average weight of 5 children is 29 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
11. 11.A shopkeeper buys a school bag for ₹340 and sells it for ₹425. Find the profit percent.
12. 12.Diya puts ₹9500 in a bank at 7% simple interest per year. How much will she have after 5 years (in ₹)?
13. 13.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 30 years. How old is Vivaan?
14. 14.What is the difference between the compound interest and the simple interest on ₹20800 at 5% per year for 2 years (in ₹)?
15. 15.4 years ago, Rohan’s mother was four times as old as Rohan. The mother is 28 years old now. How old is Rohan now?
16. 16.A town has 3900 people. Its population grows by 50%. How many people live there now?
17. 17.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)?
18. 18.A bus runs at 68 km/h. How far does it go in 15 minutes (in km)?
19. 19.A car runs for 3 hours at 35 km/h and then for 4 hours at 49 km/h. What is its average speed for the whole journey (in km/h)?
20. 20.Find the amount when ₹46250 is invested at 4% per year compound interest for 2 years (in ₹).
21. 21.A water tank holds 3600 litres. 30% of the water is used. How many litres are left?
22. 22.Kabir cycles to his school at 54 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
23. 23.The price of a bicycle is ₹4900. It goes up by 20%. What is the new price (in ₹)?
24. 24.A shop sells an average of 29 kg of sugar a day for 3 days, and then 22 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
25. 25.Marks of 5 friends in a quiz: 73, 83, 92, 77, 90. What is their average mark?
26. 26.Aarav can finish a job in 7 days and Aditya in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.A bicycle is marked at ₹520. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
28. 28.A school bag is marked at ₹2220. The shop gives a 5% discount. How much do you pay (in ₹)?
29. 29.A pressure cooker is marked at ₹1840. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
30. 30.The price of a school bag changes from ₹680 to ₹952. By what percent did it go up?
31. 31.By selling a watch for ₹1272, a shopkeeper makes a profit of 20%. What did the watch cost the shopkeeper (in ₹)?
32. 32.The simple interest on ₹2700 for 1 year is ₹189. What is the rate of interest (% per year)?
33. 33.Find the compound interest on ₹31800 at 10% per year for 2 years, added every year (in ₹).
34. 34.A town has 640 people. Its population grows by 15%. How many people live there now?
35. 35.Rahul’s father is twice as old as Rahul. The sum of their ages is 15 years. How old is the father?
36. 36.A study lamp is marked at ₹550. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
37. 37.Find the amount when ₹20400 is invested at 5% per year compound interest for 2 years (in ₹).
38. 38.Change 18 km/h into metres per second.
39. 39.A price comes down by 5% and then comes down by 5% more. By what percent has it come down in all? =
40. 40.A bicycle bought for ₹1360 is sold at a loss of 40%. What is the selling price (in ₹)?

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