Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 822 · 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.Karan can finish a job in 9 days and Tara in 6 days. Karan works alone for 6 days and then stops. Tara finishes the rest. How many days does Tara take?
2. 2.2 years ago, Diya’s mother was three times as old as Diya. The mother is 11 years old now. How old is Diya now?
3. 3.A shopkeeper buys a watch for ₹1620 and sells it for ₹1782. Find the profit percent.
4. 4.Marks of 4 friends in a quiz: 62, 74, 78, 70. What is their average mark?
5. 5.After a 5% discount, a pressure cooker costs ₹4655. What was its marked price (in ₹)?
6. 6.Diya puts ₹6400 in a bank at 2% simple interest per year. How much will she have after 4 years (in ₹)?
7. 7.A shopkeeper buys a pressure cooker for ₹1180 and sells it for ₹1770. Find the profit percent.
8. 8.A shopkeeper buys a pair of shoes for ₹1640 and sells it for ₹984. Find the loss percent.
9. 9.Priya can finish a job in 8 days and Vivaan in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
10. 10.The simple interest on ₹19200 for 3 years is ₹8064. What is the rate of interest (% per year)?
11. 11.Marks of 4 friends in a quiz: 85, 91, 69, 87. What is their average mark?
12. 12.A price goes up by 50% and then comes down by 5%. By what percent has it gone up in all? =
13. 13.4 years ago, Dev’s mother was four times as old as Dev. The mother is 44 years old now. How old is Dev now?
14. 14.A study lamp marked at ₹440 is sold for ₹374. What is the discount percent?
15. 15.How many minutes does a car take to go 85 km at 75 km/h?
16. 16.A town has 120 people. Its population grows by 25%. How many people live there now?
17. 17.Ishaan can finish a job in 6 days and Tara in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
18. 18.What sum of money earns ₹1593 simple interest in 1 year at 9% per year (in ₹)?
19. 19.A shop sells 1460 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
20. 20.Find the amount when ₹39950 is invested at 20% per year compound interest for 2 years (in ₹).
21. 21.A bus runs at 26 km/h. How far does it go in 90 minutes (in km)?
22. 22.A bus runs at 39 km/h. How far does it go in 20 minutes (in km)?
23. 23.Rahul’s batting average after 14 innings is 48 runs. How many runs must Rahul score in the next innings to raise the average to 50?
24. 24.By selling a study lamp for ₹1150, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
25. 25.A shopkeeper buys a pressure cooker for ₹1280 and sells it for ₹640. Find the loss percent.
26. 26.A bicycle is marked at ₹3180. The shop gives a 50% discount. How much do you pay (in ₹)?
27. 27.The price of a bicycle is ₹4740. It goes up by 20%. What is the new price (in ₹)?
28. 28.Find the compound interest on ₹11728 at 25% per year for 2 years, added every year (in ₹).
29. 29.A water tank holds 860 litres. 20% of the water is used. How many litres are left?
30. 30.The average weight of 10 children is 32 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
31. 31.A pressure cooker marked at ₹3080 is sold for ₹2156. What is the discount percent?
32. 32.Find the simple interest on ₹13200 at 3% per year for 2 years (in ₹).
33. 33.What sum of money earns ₹2457 simple interest in 1 year at 13% per year (in ₹)?
34. 34.The simple interest on ₹14700 for 4 years is ₹7644. What is the rate of interest (% per year)?
35. 35.Kabir cycles to his school at 30 km/h and comes back by the same road at 70 km/h. What is his average speed for the whole trip (in km/h)?
36. 36.Diya puts ₹7700 in a bank at 7% simple interest per year. How much will she have after 2 years (in ₹)?
37. 37.Find the compound interest on ₹15600 at 15% per year for 2 years, added every year (in ₹).
38. 38.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
39. 39.Diya puts ₹14400 in a bank at 15% simple interest per year. How much will she have after 3 years (in ₹)?
40. 40.A water tank holds 820 litres. 20% of the water is used. How many litres are left?

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