Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 201 · 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.Diya and Dev together finish a job in 2 days. Diya alone takes 4 days. How many days would Dev take alone?
2. 2.7 years ago, Manav’s mother was three times as old as Manav. The mother is 37 years old now. How old is Manav now?
3. 3.In 30 years, Diya will be twice as old as Diya was 4 years ago. How old is Diya now?
4. 4.Saanvi and Isha together finish a job in 2 days. Saanvi alone takes 6 days. How many days would Isha take alone?
5. 5.A price goes up by 15% and then goes up by 15% more. By what percent has it gone up in all? =
6. 6.A price goes up by 25% and then comes down by 10%. By what percent has it gone up in all? =
7. 7.What is the difference between the compound interest and the simple interest on ₹8000 at 25% per year for 2 years (in ₹)?
8. 8.A shop sells an average of 25 kg of sugar a day for 3 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
9. 9.Find the amount when ₹33600 is invested at 10% per year compound interest for 2 years (in ₹).
10. 10.A shop sells an average of 34 kg of sugar a day for 4 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
11. 11.A price comes down by 40% and then comes down by 10% more. By what percent has it come down in all? =
12. 12.A price goes up by 25% and then comes down by 5%. By what percent has it gone up in all? =
13. 13.A water tank holds 3820 litres. 40% of the water is used. How many litres are left?
14. 14.Find the amount when ₹43750 is invested at 8% per year compound interest for 2 years (in ₹).
15. 15.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
16. 16.How many minutes does a car take to go 56 km at 56 km/h?
17. 17.What sum of money earns ₹1104 simple interest in 2 years at 6% per year (in ₹)?
18. 18.Ishaan is 6 years older than Aditya. In 6 years, the sum of their ages will be 46. How old is Aditya now?
19. 19.A town has 2500 people. Its population grows by 30%. How many people live there now?
20. 20.In how many years will ₹1900 earn ₹855 as simple interest at 15% per year?
21. 21.The price of a school bag changes from ₹2740 to ₹1370. By what percent did it come down?
22. 22.The average of 5 numbers is 23. When one more number is added, the average becomes 28. What number was added?
23. 23.Find the compound interest on ₹15696 at 25% per year for 2 years, added every year (in ₹).
24. 24.A shopkeeper buys a school bag for ₹420 and sells it for ₹336. Find the loss percent.
25. 25.In how many years will ₹6900 earn ₹138 as simple interest at 2% per year?
26. 26.Ishaan’s father is three times as old as Ishaan. The sum of their ages is 20 years. How old is Ishaan?
27. 27.By selling a pair of shoes for ₹240, a shopkeeper makes a loss of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
28. 28.How many minutes does a car take to go 54 km at 45 km/h?
29. 29.A car runs for 2 hours at 74 km/h and then for 1 hour at 26 km/h. What is its average speed for the whole journey (in km/h)?
30. 30.The price of a bicycle is ₹1000. It goes up by 30%. What is the new price (in ₹)?
31. 31.A town has 1940 people. Its population grows by 15%. How many people live there now?
32. 32.Dev works three times as fast as Aarav. Together they finish a job in 5 days. How many days would Aarav take alone?
33. 33.A watch is marked at ₹1400. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
34. 34.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
35. 35.A car runs for 2 hours at 27 km/h and then for 3 hours at 42 km/h. What is its average speed for the whole journey (in km/h)?
36. 36.A shopkeeper buys a study lamp for ₹1180 and sells it for ₹826. Find the loss percent.
37. 37.By selling a school bag for ₹2520, a shopkeeper makes a profit of 40%. What did the school bag cost the shopkeeper (in ₹)?
38. 38.The simple interest on ₹4800 for 2 years is ₹1344. What is the rate of interest (% per year)?
39. 39.Kavya can finish a job in 5 days and Ananya in 12 days. What fraction of the job do they finish if they work together for 3 days? =
40. 40.Change 36 km/h into metres per second.

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