Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 241 · 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.Find the compound interest on ₹21125 at 20% per year for 3 years, added every year (in ₹).
2. 2.A town has 1700 people. Its population grows by 10%. How many people live there now?
3. 3.A study lamp is marked at ₹672. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
4. 4.After a 50% discount, a bicycle costs ₹650. What was its marked price (in ₹)?
5. 5.Find the compound interest on ₹16800 at 15% per year for 2 years, added every year (in ₹).
6. 6.The price of a bicycle is ₹640. It goes up by 10%. What is the new price (in ₹)?
7. 7.Tara can finish a job in 6 days and Arjun in 22 days. Tara works alone for 3 days and then stops. Arjun finishes the rest. How many days does Arjun take?
8. 8.A town has 2520 people. Its population grows by 25%. How many people live there now?
9. 9.Kabir and Aditya together finish a job in 12 days. Kabir alone takes 15 days. How many days would Aditya take alone?
10. 10.A water tank holds 3580 litres. 30% of the water is used. How many litres are left?
11. 11.In how many years will ₹18000 earn ₹8100 as simple interest at 9% per year?
12. 12.Find the compound interest on ₹5725 at 20% per year for 2 years, added every year (in ₹).
13. 13.A shopkeeper buys a study lamp for ₹1300 and sells it for ₹1235. Find the loss percent.
14. 14.What is the difference between the compound interest and the simple interest on ₹41200 at 15% per year for 2 years (in ₹)?
15. 15.A shop sells 3920 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
16. 16.After a 15% discount, a school bag costs ₹476. What was its marked price (in ₹)?
17. 17.Change 18 km/h into metres per second.
18. 18.Meera can finish a job in 13 days and Rahul in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.A shop sells an average of 32 kg of sugar a day for 2 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
20. 20.Pooja’s batting average after 5 innings is 32 runs. How many runs must Pooja score in the next innings to raise the average to 33?
21. 21.Manav’s batting average after 14 innings is 22 runs. How many runs must Manav score in the next innings to raise the average to 27?
22. 22.2 years ago, Kavya’s mother was twice as old as Kavya. The mother is 8 years old now. How old is Kavya now?
23. 23.Pooja is 6 years older than Aarav. In 7 years, the sum of their ages will be 36. How old is Aarav now?
24. 24.Find the compound interest on ₹14800 at 15% per year for 2 years, added every year (in ₹).
25. 25.The average of 7 numbers is 20. When one more number is added, the average becomes 23. What number was added?
26. 26.Kabir can finish a job in 19 days and Isha in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.The simple interest on ₹7600 for 1 year is ₹684. What is the rate of interest (% per year)?
28. 28.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
29. 29.The simple interest on ₹10000 for 2 years is ₹1000. What is the rate of interest (% per year)?
30. 30.Find the compound interest on ₹1776 at 25% per year for 2 years, added every year (in ₹).
31. 31.5 years ago, Farhan’s mother was three times as old as Farhan. The mother is 41 years old now. How old is Farhan now?
32. 32.The average of 6 numbers is 27. When one more number is added, the average becomes 30. What number was added?
33. 33.Kavya can finish a job in 8 days and Farhan in 14 days. What fraction of the job do they finish if they work together for 1 day? =
34. 34.Find the simple interest on ₹5400 at 5% per year for 1 year (in ₹).
35. 35.Ananya is 2 years older than Sneha. In 7 years, the sum of their ages will be 58. How old is Sneha now?
36. 36.A water tank holds 520 litres. 30% of the water is used. How many litres are left?
37. 37.In how many years will ₹5900 earn ₹354 as simple interest at 6% per year?
38. 38.A watch is marked at ₹440. The shop gives a 15% discount. How much do you pay (in ₹)?
39. 39.By selling a watch for ₹560, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
40. 40.The simple interest on ₹13500 for 3 years is ₹1215. What is the rate of interest (% per year)?

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