Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 776 · 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 ₹46800 at 15% per year for 2 years (in ₹)?
2. 2.A watch is marked at ₹3160. The shop gives a 20% discount. How much do you pay (in ₹)?
3. 3.Find the simple interest on ₹3400 at 11% per year for 4 years (in ₹).
4. 4.By selling a pressure cooker for ₹120, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
5. 5.A pair of shoes bought for ₹1020 is sold at a profit of 15%. What is the selling price (in ₹)?
6. 6.The average weight of 7 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
7. 7.In how many years will ₹10900 earn ₹436 as simple interest at 4% per year?
8. 8.The price of a school bag changes from ₹2480 to ₹1984. By what percent did it come down?
9. 9.The simple interest on ₹2000 for 3 years is ₹360. What is the rate of interest (% per year)?
10. 10.Marks of 4 friends in a quiz: 96, 87, 105, 72. What is their average mark?
11. 11.In 11 years, Nisha will be three times as old as Nisha was 3 years ago. How old is Nisha now?
12. 12.A car runs for 2 hours at 78 km/h and then for 1 hour at 30 km/h. What is its average speed for the whole journey (in km/h)?
13. 13.A bus runs at 42 km/h. How far does it go in 40 minutes (in km)?
14. 14.Priya is 7 years older than Saanvi. In 2 years, the sum of their ages will be 41. How old is Saanvi now?
15. 15.Change 90 km/h into metres per second.
16. 16.Find the compound interest on ₹13750 at 8% per year for 2 years, added every year (in ₹).
17. 17.A water tank holds 4280 litres. 5% of the water is used. How many litres are left?
18. 18.Aarav’s father is three times as old as Aarav. The sum of their ages is 44 years. How old is the father?
19. 19.By selling a cricket bat for ₹450, a shopkeeper makes a profit of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
20. 20.A water tank holds 3000 litres. 10% of the water is used. How many litres are left?
21. 21.In 24 years, Manav will be twice as old as Manav was 3 years ago. How old is Manav now?
22. 22.A shopkeeper buys a table fan for ₹1700 and sells it for ₹1190. Find the loss percent.
23. 23.Dev and Meera together finish a job in 6 days. Dev alone takes 8 days. How many days would Meera take alone?
24. 24.The average of 7 numbers is 44. When one more number is added, the average becomes 49. What number was added?
25. 25.A shop sells 4680 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
26. 26.A water tank holds 4720 litres. 20% of the water is used. How many litres are left?
27. 27.Find the compound interest on ₹21888 at 25% per year for 3 years, added every year (in ₹).
28. 28.Manav can finish a job in 24 days and Isha in 16 days. Manav works alone for 3 days and then stops. Isha finishes the rest. How many days does Isha take?
29. 29.After a 40% discount, a cricket bat costs ₹756. What was its marked price (in ₹)?
30. 30.Rohan is 9 years older than Meera. In 4 years, the sum of their ages will be 27. How old is Meera now?
31. 31.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
32. 32.The average weight of 12 children is 31 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
33. 33.7 years ago, Meera’s mother was three times as old as Meera. The mother is 22 years old now. How old is Meera now?
34. 34.Isha can finish a job in 11 days and Kavya in 8 days. What fraction of the job do they finish if they work together for 2 days? =
35. 35.Tara can finish a job in 8 days and Nisha in 6 days. Tara works alone for 4 days and then stops. Nisha finishes the rest. How many days does Nisha take?
36. 36.By selling a bicycle for ₹2160, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
37. 37.The price of a school bag changes from ₹3680 to ₹1840. By what percent did it come down?
38. 38.Rahul’s batting average after 11 innings is 43 runs. How many runs must Rahul score in the next innings to raise the average to 48?
39. 39.Aarav’s father is five times as old as Aarav. The sum of their ages is 36 years. How old is Aarav?
40. 40.What sum of money earns ₹1365 simple interest in 3 years at 5% per year (in ₹)?

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