Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 971 · 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.Dev can finish a job in 7 days and Arjun in 9 days. What fraction of the job do they finish if they work together for 1 day? =
2. 2.A shopkeeper buys a pressure cooker for ₹200 and sells it for ₹140. Find the loss percent.
3. 3.A price goes up by 20% and then goes up by 15% more. By what percent has it gone up in all? =
4. 4.Find the amount when ₹2000 is invested at 15% per year compound interest for 2 years (in ₹).
5. 5.The price of a bicycle is ₹1200. It goes up by 20%. What is the new price (in ₹)?
6. 6.A table fan is marked at ₹1180. The shop gives a 20% discount. How much do you pay (in ₹)?
7. 7.The average weight of 7 children is 45 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
8. 8.A shop sells 1000 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
9. 9.Dev works three times as fast as Meera. Together they finish a job in 3 days. How many days would Meera take alone?
10. 10.In 15 years, Isha will be three times as old as Isha was 3 years ago. How old is Isha now?
11. 11.Meera is 7 years older than Ananya. In 5 years, the sum of their ages will be 47. How old is Ananya now?
12. 12.The simple interest on ₹4400 for 4 years is ₹1056. What is the rate of interest (% per year)?
13. 13.Manav works twice as fast as Pooja. Together they finish a job in 8 days. How many days would Pooja take alone?
14. 14.Meera’s father is three times as old as Meera. The sum of their ages is 40 years. How old is the father?
15. 15.A study lamp is marked at ₹1050. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
16. 16.Find the compound interest on ₹31616 at 25% per year for 3 years, added every year (in ₹).
17. 17.The price of a school bag changes from ₹400 to ₹420. By what percent did it go up?
18. 18.The average weight of 12 children is 43 kg. One child, who weighs 76 kg, leaves the group. What is the new average weight (in kg)?
19. 19.Diya puts ₹12900 in a bank at 3% simple interest per year. How much will she have after 4 years (in ₹)?
20. 20.The price of a bicycle is ₹4360. It goes up by 30%. What is the new price (in ₹)?
21. 21.Pooja can finish a job in 18 days and Ishaan in 24 days. Pooja works alone for 15 days and then stops. Ishaan finishes the rest. How many days does Ishaan take?
22. 22.A cricket bat bought for ₹160 is sold at a profit of 50%. What is the selling price (in ₹)?
23. 23.Tara’s father is three times as old as Tara. The sum of their ages is 56 years. How old is the father?
24. 24.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
25. 25.Find the compound interest on ₹17500 at 4% per year for 2 years, added every year (in ₹).
26. 26.What is the difference between the compound interest and the simple interest on ₹7500 at 4% per year for 2 years (in ₹)?
27. 27.7 years ago, Dev’s mother was twice as old as Dev. The mother is 31 years old now. How old is Dev now?
28. 28.Find the amount when ₹48000 is invested at 5% per year compound interest for 3 years (in ₹).
29. 29.A town has 640 people. Its population grows by 50%. How many people live there now?
30. 30.Find the amount when ₹40000 is invested at 12% per year compound interest for 2 years (in ₹).
31. 31.The average weight of 9 children is 33 kg. One child, who weighs 57 kg, leaves the group. What is the new average weight (in kg)?
32. 32.A price goes up by 5% and then goes up by 50% more. By what percent has it gone up in all? =
33. 33.Priya works twice as fast as Diya. Together they finish a job in 6 days. How many days would Diya take alone?
34. 34.A shop sells 2960 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
35. 35.A pair of shoes bought for ₹100 is sold at a loss of 50%. What is the selling price (in ₹)?
36. 36.Find the compound interest on ₹9600 at 20% per year for 2 years, added every year (in ₹).
37. 37.The price of a school bag changes from ₹1640 to ₹2296. By what percent did it go up?
38. 38.By selling a study lamp for ₹888, a shopkeeper makes a profit of 20%. What did the study lamp cost the shopkeeper (in ₹)?
39. 39.How many minutes does a car take to go 124 km at 48 km/h?
40. 40.A shop sells an average of 70 kg of sugar a day for 6 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?

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