Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 768 · 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. 1.7 years ago, Kabir’s mother was four times as old as Kabir. The mother is 31 years old now. How old is Kabir now?
2. 2.Ananya works twice as fast as Ishaan. Together they finish a job in 11 days. How many days would Ishaan take alone?
3. 3.Saanvi’s father is four times as old as Saanvi. The sum of their ages is 60 years. How old is Saanvi?
4. 4.Change 15 m/s into km/h.
5. 5.The average weight of 5 children is 45 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
6. 6.The price of a school bag changes from ₹3620 to ₹4344. By what percent did it go up?
7. 7.A price goes up by 5% and then goes up by 20% more. By what percent has it gone up in all? =
8. 8.The average weight of 9 children is 44 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
9. 9.A water tank holds 4260 litres. 5% of the water is used. How many litres are left?
10. 10.How many minutes does a car take to go 129 km at 60 km/h?
11. 11.A bicycle marked at ₹3100 is sold for ₹2480. What is the discount percent?
12. 12.A watch marked at ₹460 is sold for ₹276. What is the discount percent?
13. 13.A school bag marked at ₹360 is sold for ₹270. What is the discount percent?
14. 14.A pair of shoes bought for ₹60 is sold at a profit of 50%. What is the selling price (in ₹)?
15. 15.After a 20% discount, a cricket bat costs ₹1264. What was its marked price (in ₹)?
16. 16.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)?
17. 17.In 14 years, Pooja will be three times as old as Pooja was 4 years ago. How old is Pooja now?
18. 18.After a 30% discount, a cricket bat costs ₹700. What was its marked price (in ₹)?
19. 19.A water tank holds 3120 litres. 5% of the water is used. How many litres are left?
20. 20.A study lamp is marked at ₹1860. The shop gives a 40% discount. How much do you pay (in ₹)?
21. 21.A study lamp is marked at ₹444. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
22. 22.A pressure cooker marked at ₹4920 is sold for ₹3690. What is the discount percent?
23. 23.Vivaan is 7 years older than Isha. In 6 years, the sum of their ages will be 47. How old is Isha now?
24. 24.A table fan bought for ₹1440 is sold at a loss of 15%. What is the selling price (in ₹)?
25. 25.How many minutes does a car take to go 14 km at 70 km/h?
26. 26.10 years ago, Kavya’s mother was twice as old as Kavya. The mother is 22 years old now. How old is Kavya now?
27. 27.A table fan bought for ₹300 is sold at a loss of 25%. What is the selling price (in ₹)?
28. 28.In how many years will ₹12700 earn ₹1016 as simple interest at 2% per year?
29. 29.Diya can finish a job in 11 days and Saanvi in 20 days. What fraction of the job do they finish if they work together for 1 day? =
30. 30.The simple interest on ₹18000 for 4 years is ₹1440. What is the rate of interest (% per year)?
31. 31.A pressure cooker is marked at ₹464. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
32. 32.Find the simple interest on ₹15700 at 6% per year for 1 year (in ₹).
33. 33.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
34. 34.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
35. 35.2 years ago, Aditya’s mother was twice as old as Aditya. The mother is 16 years old now. How old is Aditya now?
36. 36.By selling a school bag for ₹1794, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹3900 at 10% per year for 2 years (in ₹)?
38. 38.6 years ago, Ananya’s mother was four times as old as Ananya. The mother is 46 years old now. How old is Ananya now?
39. 39.What sum of money earns ₹5670 simple interest in 3 years at 14% per year (in ₹)?
40. 40.After a 40% discount, a school bag costs ₹2376. What was its marked price (in ₹)?

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