Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 172 · 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 sum of money earns ₹3432 simple interest in 4 years at 13% per year (in ₹)?
2. 2.Rohan’s father is five times as old as Rohan. The sum of their ages is 60 years. How old is Rohan?
3. 3.Kabir cycles to his school at 66 km/h and comes back by the same road at 22 km/h. What is his average speed for the whole trip (in km/h)?
4. 4.By selling a table fan for ₹864, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?
5. 5.A shopkeeper buys a pressure cooker for ₹1720 and sells it for ₹1290. Find the loss percent.
6. 6.A shopkeeper buys a bicycle for ₹1580 and sells it for ₹790. Find the loss percent.
7. 7.A price goes up by 50% and then comes down by 25%. By what percent has it gone up in all? =
8. 8.How many minutes does a car take to go 64 km at 32 km/h?
9. 9.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
10. 10.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
11. 11.Aditya’s batting average after 5 innings is 32 runs. How many runs must Aditya score in the next innings to raise the average to 34?
12. 12.The average of 6 numbers is 34. When one more number is added, the average becomes 36. What number was added?
13. 13.Find the compound interest on ₹19375 at 8% per year for 2 years, added every year (in ₹).
14. 14.In 26 years, Manav will be three times as old as Manav was 4 years ago. How old is Manav now?
15. 15.A water tank holds 140 litres. 50% of the water is used. How many litres are left?
16. 16.A town has 4160 people. Its population grows by 10%. How many people live there now?
17. 17.4 years ago, Isha’s mother was twice as old as Isha. The mother is 26 years old now. How old is Isha now?
18. 18.Zoya’s father is three times as old as Zoya. The sum of their ages is 20 years. How old is Zoya?
19. 19.The average of 9 numbers is 34. When one more number is added, the average becomes 36. What number was added?
20. 20.Meera’s batting average after 6 innings is 43 runs. How many runs must Meera score in the next innings to raise the average to 47?
21. 21.Find the compound interest on ₹17280 at 25% per year for 2 years, added every year (in ₹).
22. 22.Pooja can finish a job in 8 days and Sneha in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.The simple interest on ₹17400 for 3 years is ₹1566. What is the rate of interest (% per year)?
24. 24.Priya can finish a job in 9 days and Rohan in 21 days. Priya works alone for 6 days and then stops. Rohan finishes the rest. How many days does Rohan take?
25. 25.Change 54 km/h into metres per second.
26. 26.The average weight of 5 children is 29 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
27. 27.In how many years will ₹11300 earn ₹3616 as simple interest at 8% per year?
28. 28.A water tank holds 2900 litres. 40% of the water is used. How many litres are left?
29. 29.A shopkeeper buys a bicycle for ₹580 and sells it for ₹406. Find the loss percent.
30. 30.What is the difference between the compound interest and the simple interest on ₹28700 at 20% per year for 2 years (in ₹)?
31. 31.In 24 years, Arjun will be twice as old as Arjun was 6 years ago. How old is Arjun now?
32. 32.By selling a pressure cooker for ₹1800, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
33. 33.A shopkeeper buys a watch for ₹80 and sells it for ₹72. Find the loss percent.
34. 34.Dev’s batting average after 6 innings is 39 runs. How many runs must Dev score in the next innings to raise the average to 40?
35. 35.A price goes up by 15% and then comes down by 10%. By what percent has it gone up in all? =
36. 36.A water tank holds 4620 litres. 5% of the water is used. How many litres are left?
37. 37.Aarav’s father is twice as old as Aarav. The sum of their ages is 36 years. How old is Aarav?
38. 38.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
39. 39.In 18 years, Diya will be twice as old as Diya was 2 years ago. How old is Diya now?
40. 40.A bus runs at 84 km/h. How far does it go in 20 minutes (in km)?

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