Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 442 · 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.What is the difference between the compound interest and the simple interest on ₹40400 at 25% per year for 2 years (in ₹)?
2. 2.Rohan can finish a job in 12 days and Sneha in 20 days. What fraction of the job do they finish if they work together for 3 days? =
3. 3.The average of 6 numbers is 20. When one more number is added, the average becomes 21. What number was added?
4. 4.A shopkeeper buys a table fan for ₹1900 and sells it for ₹1615. Find the loss percent.
5. 5.A school bag bought for ₹1780 is sold at a loss of 50%. What is the selling price (in ₹)?
6. 6.Vivaan and Tara together finish a job in 3 days. Vivaan alone takes 4 days. How many days would Tara take alone?
7. 7.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
8. 8.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
9. 9.A table fan is marked at ₹1340. The shop gives a 5% discount. How much do you pay (in ₹)?
10. 10.A bicycle bought for ₹660 is sold at a loss of 10%. What is the selling price (in ₹)?
11. 11.The price of a school bag changes from ₹920 to ₹644. By what percent did it come down?
12. 12.A school bag is marked at ₹4420. The shop gives a 5% discount. How much do you pay (in ₹)?
13. 13.A pressure cooker is marked at ₹1640. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
14. 14.Kabir cycles to his school at 72 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
15. 15.A study lamp is marked at ₹3520. The shop gives a 5% discount. How much do you pay (in ₹)?
16. 16.By selling a study lamp for ₹2470, a shopkeeper makes a profit of 30%. What did the study lamp cost the shopkeeper (in ₹)?
17. 17.By selling a watch for ₹336, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
18. 18.A bicycle is marked at ₹548. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
19. 19.A bicycle is marked at ₹4200. The shop gives a 40% discount. How much do you pay (in ₹)?
20. 20.Vivaan works twice as fast as Aditya. Together they finish a job in 5 days. How many days would Aditya take alone?
21. 21.A shop sells an average of 74 kg of sugar a day for 5 days, and then 72 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
22. 22.Meera and Pooja together finish a job in 12 days. Meera alone takes 14 days. How many days would Pooja take alone?
23. 23.Saanvi’s batting average after 10 innings is 21 runs. How many runs must Saanvi score in the next innings to raise the average to 24?
24. 24.A water tank holds 1700 litres. 10% of the water is used. How many litres are left?
25. 25.A bus runs at 60 km/h. How far does it go in 40 minutes (in km)?
26. 26.A shopkeeper buys a pair of shoes for ₹1600 and sells it for ₹1680. Find the profit percent.
27. 27.Find the amount when ₹22000 is invested at 5% per year compound interest for 2 years (in ₹).
28. 28.7 years ago, Isha’s mother was four times as old as Isha. The mother is 23 years old now. How old is Isha now?
29. 29.The price of a bicycle is ₹520. It goes up by 5%. What is the new price (in ₹)?
30. 30.Vivaan and Arjun together finish a job in 2 days. Vivaan alone takes 6 days. How many days would Arjun take alone?
31. 31.How many minutes does a car take to go 51 km at 60 km/h?
32. 32.The price of a school bag changes from ₹2120 to ₹2226. By what percent did it go up?
33. 33.Tara and Dev together finish a job in 8 days. Tara alone takes 16 days. How many days would Dev take alone?
34. 34.Find the amount when ₹4400 is invested at 5% per year compound interest for 2 years (in ₹).
35. 35.A water tank holds 2440 litres. 40% of the water is used. How many litres are left?
36. 36.The price of a school bag changes from ₹740 to ₹777. By what percent did it go up?
37. 37.A cricket bat marked at ₹3140 is sold for ₹2826. What is the discount percent?
38. 38.A shop sells 2620 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
39. 39.A shop sells 3540 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
40. 40.Find the compound interest on ₹37000 at 10% per year for 2 years, added every year (in ₹).

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