Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 506 · 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.A price goes up by 10% and then goes up by 20% more. By what percent has it gone up in all? =
2. 2.A car runs for 2 hours at 42 km/h and then for 2 hours at 40 km/h. What is its average speed for the whole journey (in km/h)?
3. 3.Saanvi and Sneha together finish a job in 15 days. Saanvi alone takes 18 days. How many days would Sneha take alone?
4. 4.The price of a bicycle is ₹4420. It goes up by 5%. What is the new price (in ₹)?
5. 5.What is the difference between the compound interest and the simple interest on ₹50000 at 4% per year for 2 years (in ₹)?
6. 6.After a 40% discount, a pressure cooker costs ₹636. What was its marked price (in ₹)?
7. 7.Change 90 km/h into metres per second.
8. 8.A shopkeeper buys a school bag for ₹1300 and sells it for ₹910. Find the loss percent.
9. 9.In 21 years, Meera will be three times as old as Meera was 3 years ago. How old is Meera now?
10. 10.Karan’s father is four times as old as Karan. The sum of their ages is 60 years. How old is Karan?
11. 11.A table fan marked at ₹2220 is sold for ₹2109. What is the discount percent?
12. 12.What sum of money earns ₹282 simple interest in 1 year at 2% per year (in ₹)?
13. 13.A shop sells 2380 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
14. 14.A town has 120 people. Its population grows by 25%. How many people live there now?
15. 15.A shop sells an average of 63 kg of sugar a day for 6 days, and then 79 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
16. 16.The average of 6 numbers is 28. When one more number is added, the average becomes 31. What number was added?
17. 17.By selling a watch for ₹1360, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
18. 18.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
19. 19.A shopkeeper buys a table fan for ₹1960 and sells it for ₹1470. Find the loss percent.
20. 20.After a 50% discount, a bicycle costs ₹580. What was its marked price (in ₹)?
21. 21.A price comes down by 5% and then comes down by 15% more. By what percent has it come down in all? =
22. 22.Rohan’s batting average after 5 innings is 30 runs. How many runs must Rohan score in the next innings to raise the average to 33?
23. 23.A table fan is marked at ₹510. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
24. 24.A table fan bought for ₹2000 is sold at a loss of 25%. What is the selling price (in ₹)?
25. 25.How many minutes does a car take to go 52 km at 60 km/h?
26. 26.Aditya can finish a job in 15 days and Pooja in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.Find the compound interest on ₹11200 at 15% per year for 2 years, added every year (in ₹).
28. 28.A shopkeeper buys a cricket bat for ₹1700 and sells it for ₹2380. Find the profit percent.
29. 29.A cricket bat marked at ₹560 is sold for ₹392. What is the discount percent?
30. 30.Diya puts ₹2500 in a bank at 13% simple interest per year. How much will she have after 2 years (in ₹)?
31. 31.Find the compound interest on ₹2025 at 20% per year for 2 years, added every year (in ₹).
32. 32.Find the amount when ₹8000 is invested at 15% per year compound interest for 3 years (in ₹).
33. 33.In how many years will ₹1400 earn ₹112 as simple interest at 2% per year?
34. 34.Change 30 m/s into km/h.
35. 35.The average of 6 numbers is 34. When one more number is added, the average becomes 36. What number was added?
36. 36.Aditya works twice as fast as Zoya. Together they finish a job in 5 days. How many days would Zoya take alone?
37. 37.6 years ago, Aarav’s mother was twice as old as Aarav. The mother is 16 years old now. How old is Aarav now?
38. 38.A water tank holds 1200 litres. 10% of the water is used. How many litres are left?
39. 39.A watch marked at ₹3760 is sold for ₹3572. What is the discount percent?
40. 40.Meera works three times as fast as Dev. Together they finish a job in 10 days. How many days would Dev take alone?

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