Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 319 · 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.Sneha can finish a job in 8 days and Kavya in 24 days. Sneha works alone for 5 days and then stops. Kavya finishes the rest. How many days does Kavya take?
2. 2.The average weight of 12 children is 31 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
3. 3.Diya’s father is five times as old as Diya. The sum of their ages is 78 years. How old is Diya?
4. 4.Arjun works three times as fast as Tara. Together they finish a job in 2 days. How many days would Tara take alone?
5. 5.Find the compound interest on ₹18125 at 8% per year for 2 years, added every year (in ₹).
6. 6.Change 18 km/h into metres per second.
7. 7.The average of 9 numbers is 16. When one more number is added, the average becomes 18. What number was added?
8. 8.The simple interest on ₹2400 for 5 years is ₹720. What is the rate of interest (% per year)?
9. 9.A shopkeeper buys a watch for ₹1660 and sells it for ₹1992. Find the profit percent.
10. 10.Dev’s batting average after 15 innings is 22 runs. How many runs must Dev score in the next innings to raise the average to 25?
11. 11.What is the difference between the compound interest and the simple interest on ₹6400 at 25% per year for 2 years (in ₹)?
12. 12.A watch is marked at ₹2900. The shop gives a 50% discount. How much do you pay (in ₹)?
13. 13.Find the compound interest on ₹10625 at 8% per year for 2 years, added every year (in ₹).
14. 14.Diya puts ₹1700 in a bank at 12% simple interest per year. How much will she have after 3 years (in ₹)?
15. 15.Kabir can finish a job in 4 days and Manav in 11 days. What fraction of the job do they finish if they work together for 1 day? =
16. 16.Meera is 7 years older than Saanvi. In 3 years, the sum of their ages will be 51. How old is Saanvi now?
17. 17.A watch is marked at ₹4780. The shop gives a 15% discount. How much do you pay (in ₹)?
18. 18.The price of a school bag changes from ₹3560 to ₹2848. By what percent did it come down?
19. 19.A cricket bat is marked at ₹576. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
20. 20.A price goes up by 30% and then goes up by 25% more. By what percent has it gone up in all? =
21. 21.Change 108 km/h into metres per second.
22. 22.A study lamp bought for ₹240 is sold at a loss of 30%. What is the selling price (in ₹)?
23. 23.Find the simple interest on ₹1500 at 14% per year for 5 years (in ₹).
24. 24.A study lamp is marked at ₹2860. The shop gives a 50% discount. How much do you pay (in ₹)?
25. 25.Tara’s father is three times as old as Tara. The sum of their ages is 40 years. How old is Tara?
26. 26.A shop sells an average of 22 kg of sugar a day for 4 days, and then 49 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
27. 27.A pair of shoes bought for ₹660 is sold at a profit of 25%. What is the selling price (in ₹)?
28. 28.What sum of money earns ₹2295 simple interest in 5 years at 9% per year (in ₹)?
29. 29.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
30. 30.Dev’s batting average after 11 innings is 50 runs. How many runs must Dev score in the next innings to raise the average to 55?
31. 31.Dev’s batting average after 6 innings is 41 runs. How many runs must Dev score in the next innings to raise the average to 45?
32. 32.Rahul works twice as fast as Aarav. Together they finish a job in 12 days. How many days would Aarav take alone?
33. 33.A shop sells an average of 21 kg of sugar a day for 3 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
34. 34.The price of a school bag changes from ₹2860 to ₹2574. By what percent did it come down?
35. 35.A watch is marked at ₹1220. The shop gives a 5% discount. How much do you pay (in ₹)?
36. 36.A water tank holds 3440 litres. 15% of the water is used. How many litres are left?
37. 37.Karan can finish a job in 10 days and Kavya in 8 days. What fraction of the job do they finish if they work together for 2 days? =
38. 38.A study lamp is marked at ₹720. The shop gives a 30% discount. How much do you pay (in ₹)?
39. 39.Zoya’s father is four times as old as Zoya. The sum of their ages is 30 years. How old is Zoya?
40. 40.Kabir cycles to his school at 77 km/h and comes back by the same road at 44 km/h. What is his average speed for the whole trip (in km/h)?

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