Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 190 · 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.A shopkeeper buys a pressure cooker for ₹1920 and sells it for ₹960. Find the loss percent.
2. 2.Rohan is 5 years older than Saanvi. In 5 years, the sum of their ages will be 69. How old is Saanvi now?
3. 3.In 16 years, Diya will be twice as old as Diya was 3 years ago. How old is Diya now?
4. 4.A water tank holds 3780 litres. 5% of the water is used. How many litres are left?
5. 5.The price of a bicycle is ₹3940. It goes up by 20%. What is the new price (in ₹)?
6. 6.2 years ago, Ananya’s mother was four times as old as Ananya. The mother is 30 years old now. How old is Ananya now?
7. 7.A water tank holds 140 litres. 30% of the water is used. How many litres are left?
8. 8.In 30 years, Isha will be twice as old as Isha was 5 years ago. How old is Isha now?
9. 9.What is the difference between the compound interest and the simple interest on ₹12800 at 25% per year for 2 years (in ₹)?
10. 10.Saanvi’s father is twice as old as Saanvi. The sum of their ages is 39 years. How old is Saanvi?
11. 11.The simple interest on ₹6500 for 1 year is ₹195. What is the rate of interest (% per year)?
12. 12.Zoya can finish a job in 20 days and Dev in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
13. 13.Farhan can finish a job in 4 days and Saanvi in 8 days. What fraction of the job do they finish if they work together for 2 days? =
14. 14.The price of a school bag changes from ₹2140 to ₹1605. By what percent did it come down?
15. 15.Find the amount when ₹14800 is invested at 10% per year compound interest for 2 years (in ₹).
16. 16.Find the simple interest on ₹2700 at 7% per year for 4 years (in ₹).
17. 17.A shopkeeper buys a pressure cooker for ₹1260 and sells it for ₹756. Find the loss percent.
18. 18.A town has 2040 people. Its population grows by 5%. How many people live there now?
19. 19.After a 15% discount, a pair of shoes costs ₹255. What was its marked price (in ₹)?
20. 20.A car runs for 1 hour at 77 km/h and then for 2 hours at 53 km/h. What is its average speed for the whole journey (in km/h)?
21. 21.A pressure cooker is marked at ₹450. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
22. 22.Change 54 km/h into metres per second.
23. 23.Kabir cycles to his school at 30 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
24. 24.What is the difference between the compound interest and the simple interest on ₹14000 at 5% per year for 2 years (in ₹)?
25. 25.Rahul is 4 years older than Arjun. In 10 years, the sum of their ages will be 54. How old is Arjun now?
26. 26.Meera can finish a job in 7 days and Zoya in 14 days. What fraction of the job do they finish if they work together for 1 day? =
27. 27.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
28. 28.In how many years will ₹5300 earn ₹1590 as simple interest at 15% per year?
29. 29.Farhan works three times as fast as Zoya. Together they finish a job in 10 days. How many days would Zoya take alone?
30. 30.Aditya is 6 years older than Farhan. In 8 years, the sum of their ages will be 38. How old is Farhan now?
31. 31.Tara can finish a job in 3 days and Kavya in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.How many minutes does a car take to go 15 km at 75 km/h?
33. 33.What is the difference between the compound interest and the simple interest on ₹43500 at 20% per year for 2 years (in ₹)?
34. 34.By selling a bicycle for ₹930, a shopkeeper makes a profit of 50%. What did the bicycle cost the shopkeeper (in ₹)?
35. 35.The average weight of 10 children is 35 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
36. 36.10 years ago, Aarav’s mother was three times as old as Aarav. The mother is 40 years old now. How old is Aarav now?
37. 37.What is the difference between the compound interest and the simple interest on ₹21500 at 20% per year for 2 years (in ₹)?
38. 38.Marks of 4 friends in a quiz: 71, 88, 77, 80. What is their average mark?
39. 39.A table fan bought for ₹160 is sold at a loss of 25%. What is the selling price (in ₹)?
40. 40.In how many years will ₹12000 earn ₹6240 as simple interest at 13% per year?

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