Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 850 · 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 study lamp for ₹836, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
2. 2.A table fan bought for ₹220 is sold at a loss of 10%. What is the selling price (in ₹)?
3. 3.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
4. 4.The price of a school bag changes from ₹3820 to ₹4584. By what percent did it go up?
5. 5.In 11 years, Isha will be twice as old as Isha was 6 years ago. How old is Isha now?
6. 6.A bus runs at 68 km/h. How far does it go in 30 minutes (in km)?
7. 7.The average weight of 12 children is 31 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
8. 8.Find the simple interest on ₹11900 at 9% per year for 2 years (in ₹).
9. 9.In how many years will ₹9800 earn ₹1176 as simple interest at 3% per year?
10. 10.A bicycle is marked at ₹660. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
11. 11.By selling a pair of shoes for ₹156, a shopkeeper makes a loss of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
12. 12.Zoya and Sneha together finish a job in 8 days. Zoya alone takes 9 days. How many days would Sneha take alone?
13. 13.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
14. 14.In how many years will ₹6000 earn ₹1200 as simple interest at 10% per year?
15. 15.The average weight of 7 children is 34 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
16. 16.The average weight of 9 children is 37 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
17. 17.By selling a pressure cooker for ₹480, a shopkeeper makes a loss of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
18. 18.Sneha can finish a job in 17 days and Vivaan in 16 days. What fraction of the job do they finish if they work together for 3 days? =
19. 19.A watch marked at ₹4820 is sold for ₹3615. What is the discount percent?
20. 20.By selling a school bag for ₹1530, a shopkeeper makes a loss of 15%. What did the school bag cost the shopkeeper (in ₹)?
21. 21.The average weight of 12 children is 40 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
22. 22.A shopkeeper buys a school bag for ₹1900 and sells it for ₹2185. Find the profit percent.
23. 23.A shopkeeper buys a watch for ₹1140 and sells it for ₹1710. Find the profit percent.
24. 24.8 years ago, Manav’s mother was three times as old as Manav. The mother is 26 years old now. How old is Manav now?
25. 25.By selling a bicycle for ₹161, a shopkeeper makes a profit of 15%. What did the bicycle cost the shopkeeper (in ₹)?
26. 26.What is the difference between the compound interest and the simple interest on ₹4000 at 5% per year for 2 years (in ₹)?
27. 27.Rahul and Kabir together finish a job in 2 days. Rahul alone takes 3 days. How many days would Kabir take alone?
28. 28.What is the difference between the compound interest and the simple interest on ₹7500 at 8% per year for 2 years (in ₹)?
29. 29.A shopkeeper buys a table fan for ₹820 and sells it for ₹984. Find the profit percent.
30. 30.Pooja can finish a job in 17 days and Vivaan in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
31. 31.In 9 years, Kavya will be twice as old as Kavya was 6 years ago. How old is Kavya now?
32. 32.The average weight of 12 children is 32 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
33. 33.Diya puts ₹7600 in a bank at 6% simple interest per year. How much will she have after 3 years (in ₹)?
34. 34.A school bag is marked at ₹465. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
35. 35.The price of a school bag changes from ₹4080 to ₹2856. By what percent did it come down?
36. 36.By selling a bicycle for ₹1258, a shopkeeper makes a loss of 15%. What did the bicycle cost the shopkeeper (in ₹)?
37. 37.Find the simple interest on ₹10600 at 2% per year for 1 year (in ₹).
38. 38.The simple interest on ₹3100 for 1 year is ₹372. What is the rate of interest (% per year)?
39. 39.A pair of shoes marked at ₹860 is sold for ₹817. What is the discount percent?
40. 40.What is the difference between the compound interest and the simple interest on ₹41200 at 5% per year for 2 years (in ₹)?

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