Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 660 · 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.By selling a bicycle for ₹150, a shopkeeper makes a profit of 25%. What did the bicycle cost the shopkeeper (in ₹)?
2. 2.Two discounts of 50% and 20%, one after the other, are the same as one discount of what percent? =
3. 3.Manav can finish a job in 19 days and Karan in 8 days. What fraction of the job do they finish if they work together for 2 days? =
4. 4.A study lamp marked at ₹4720 is sold for ₹4248. What is the discount percent?
5. 5.Find the compound interest on ₹46000 at 5% per year for 2 years, added every year (in ₹).
6. 6.A watch marked at ₹2400 is sold for ₹2280. What is the discount percent?
7. 7.A water tank holds 560 litres. 30% of the water is used. How many litres are left?
8. 8.Change 108 km/h into metres per second.
9. 9.Priya can finish a job in 10 days and Karan in 15 days. Priya works alone for 8 days and then stops. Karan finishes the rest. How many days does Karan take?
10. 10.Find the compound interest on ₹5600 at 5% per year for 2 years, added every year (in ₹).
11. 11.In 5 years, Dev will be twice as old as Dev was 3 years ago. How old is Dev now?
12. 12.A water tank holds 2300 litres. 25% of the water is used. How many litres are left?
13. 13.A watch is marked at ₹3920. The shop gives a 10% discount. How much do you pay (in ₹)?
14. 14.Find the simple interest on ₹4700 at 14% per year for 2 years (in ₹).
15. 15.A study lamp is marked at ₹3500. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
16. 16.A shop sells an average of 32 kg of sugar a day for 4 days, and then 20 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
17. 17.After a 25% discount, a pressure cooker costs ₹525. What was its marked price (in ₹)?
18. 18.Sneha’s father is four times as old as Sneha. The sum of their ages is 30 years. How old is Sneha?
19. 19.The simple interest on ₹19400 for 4 years is ₹8536. What is the rate of interest (% per year)?
20. 20.Saanvi and Pooja together finish a job in 12 days. Saanvi alone takes 24 days. How many days would Pooja take alone?
21. 21.Rahul can finish a job in 19 days and Vivaan in 7 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
22. 22.Find the compound interest on ₹44250 at 20% per year for 3 years, added every year (in ₹).
23. 23.Find the amount when ₹21875 is invested at 12% per year compound interest for 2 years (in ₹).
24. 24.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 54 years. How old is the father?
25. 25.In how many years will ₹4500 earn ₹1350 as simple interest at 10% per year?
26. 26.The price of a school bag changes from ₹1280 to ₹1216. By what percent did it come down?
27. 27.How many minutes does a car take to go 136 km at 30 km/h?
28. 28.Kabir cycles to his school at 84 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.A school bag bought for ₹1280 is sold at a profit of 15%. What is the selling price (in ₹)?
30. 30.The average of 4 numbers is 25. When one more number is added, the average becomes 28. What number was added?
31. 31.A shopkeeper buys a school bag for ₹920 and sells it for ₹874. Find the loss percent.
32. 32.How many minutes does a car take to go 35 km at 30 km/h?
33. 33.The simple interest on ₹2600 for 3 years is ₹1092. What is the rate of interest (% per year)?
34. 34.A bus runs at 70 km/h. How far does it go in 90 minutes (in km)?
35. 35.A shopkeeper buys a table fan for ₹1120 and sells it for ₹1064. Find the loss percent.
36. 36.Find the compound interest on ₹43600 at 5% per year for 2 years, added every year (in ₹).
37. 37.Saanvi can finish a job in 6 days and Isha in 7 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.A shop sells an average of 33 kg of sugar a day for 5 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
39. 39.Arjun works twice as fast as Aditya. Together they finish a job in 2 days. How many days would Aditya take alone?
40. 40.Isha’s batting average after 14 innings is 27 runs. How many runs must Isha score in the next innings to raise the average to 30?

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