Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 551 · 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.By selling a school bag for ₹450, a shopkeeper makes a loss of 50%. What did the school bag cost the shopkeeper (in ₹)?
2. 2.After a 50% discount, a cricket bat costs ₹840. What was its marked price (in ₹)?
3. 3.A study lamp is marked at ₹500. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
4. 4.8 years ago, Kavya’s mother was twice as old as Kavya. The mother is 26 years old now. How old is Kavya now?
5. 5.What sum of money earns ₹3975 simple interest in 5 years at 15% per year (in ₹)?
6. 6.Find the compound interest on ₹17500 at 8% per year for 2 years, added every year (in ₹).
7. 7.What sum of money earns ₹2354 simple interest in 2 years at 11% per year (in ₹)?
8. 8.5 years ago, Sneha’s mother was three times as old as Sneha. The mother is 29 years old now. How old is Sneha now?
9. 9.A watch is marked at ₹1760. The shop gives a 40% discount. How much do you pay (in ₹)?
10. 10.A pressure cooker bought for ₹380 is sold at a profit of 25%. What is the selling price (in ₹)?
11. 11.A shop sells 2280 cups of tea a month. Next month it sells 15% more. How many cups does it sell next month?
12. 12.Pooja’s father is three times as old as Pooja. The sum of their ages is 60 years. How old is Pooja?
13. 13.By selling a pair of shoes for ₹1600, a shopkeeper makes a loss of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
14. 14.A shop sells an average of 58 kg of sugar a day for 6 days, and then 26 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
15. 15.Kabir cycles to his school at 70 km/h and comes back by the same road at 28 km/h. What is his average speed for the whole trip (in km/h)?
16. 16.A shop sells an average of 56 kg of sugar a day for 5 days, and then 78 kg a day for the next 6 days. What is the average sale per day for all 11 days (in kg)?
17. 17.Change 5 m/s into km/h.
18. 18.7 years ago, Kavya’s mother was four times as old as Kavya. The mother is 19 years old now. How old is Kavya now?
19. 19.The average weight of 11 children is 46 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
20. 20.By selling a study lamp for ₹84, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?
21. 21.Aditya is 7 years older than Aarav. In 4 years, the sum of their ages will be 45. How old is Aarav now?
22. 22.Find the compound interest on ₹7616 at 25% per year for 3 years, added every year (in ₹).
23. 23.After a 50% discount, a watch costs ₹620. What was its marked price (in ₹)?
24. 24.Find the simple interest on ₹14000 at 3% per year for 1 year (in ₹).
25. 25.After a 50% discount, a study lamp costs ₹590. What was its marked price (in ₹)?
26. 26.A school bag is marked at ₹1320. The shop gives a 5% discount. How much do you pay (in ₹)?
27. 27.Priya can finish a job in 16 days and Ishaan in 14 days. What fraction of the job do they finish if they work together for 3 days? =
28. 28.A pair of shoes is marked at ₹550. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
29. 29.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
30. 30.Change 90 km/h into metres per second.
31. 31.Kabir cycles to his school at 16 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)?
32. 32.A bus runs at 66 km/h. How far does it go in 30 minutes (in km)?
33. 33.How many minutes does a car take to go 91 km at 65 km/h?
34. 34.Vivaan can finish a job in 13 days and Karan in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
35. 35.A bicycle is marked at ₹1400. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
36. 36.Aditya’s father is twice as old as Aditya. The sum of their ages is 18 years. How old is Aditya?
37. 37.A bicycle bought for ₹1060 is sold at a loss of 15%. What is the selling price (in ₹)?
38. 38.Find the amount when ₹6400 is invested at 5% per year compound interest for 2 years (in ₹).
39. 39.4 years ago, Saanvi’s mother was twice as old as Saanvi. The mother is 26 years old now. How old is Saanvi now?
40. 40.A shopkeeper buys a watch for ₹640 and sells it for ₹448. Find the loss percent.

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