Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 322 · 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.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
2. 2.Pooja can finish a job in 4 days and Manav in 24 days. Pooja works alone for 1 day and then stops. Manav finishes the rest. How many days does Manav take?
3. 3.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
4. 4.The average of 6 numbers is 49. When one more number is added, the average becomes 54. What number was added?
5. 5.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
6. 6.Find the compound interest on ₹24752 at 25% per year for 2 years, added every year (in ₹).
7. 7.How many minutes does a car take to go 12 km at 80 km/h?
8. 8.Ishaan works three times as fast as Manav. Together they finish a job in 4 days. How many days would Manav take alone?
9. 9.A school bag marked at ₹4360 is sold for ₹3488. What is the discount percent?
10. 10.The average of 7 numbers is 26. When one more number is added, the average becomes 28. What number was added?
11. 11.The price of a school bag changes from ₹1260 to ₹945. By what percent did it come down?
12. 12.Rahul is 7 years older than Tara. In 5 years, the sum of their ages will be 35. How old is Tara now?
13. 13.Find the amount when ₹41650 is invested at 20% per year compound interest for 2 years (in ₹).
14. 14.In 10 years, Kabir will be twice as old as Kabir was 5 years ago. How old is Kabir now?
15. 15.A table fan is marked at ₹455. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
16. 16.By selling a watch for ₹1134, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
17. 17.A study lamp is marked at ₹700. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
18. 18.By selling a study lamp for ₹460, a shopkeeper makes a profit of 15%. What did the study lamp cost the shopkeeper (in ₹)?
19. 19.A water tank holds 2360 litres. 5% of the water is used. How many litres are left?
20. 20.After a 25% discount, a study lamp costs ₹3420. What was its marked price (in ₹)?
21. 21.The average of 9 numbers is 22. When one more number is added, the average becomes 23. What number was added?
22. 22.Diya is 4 years older than Aditya. In 4 years, the sum of their ages will be 28. How old is Aditya now?
23. 23.Aditya and Kabir together finish a job in 9 days. Aditya alone takes 18 days. How many days would Kabir take alone?
24. 24.Isha’s father is four times as old as Isha. The sum of their ages is 25 years. How old is Isha?
25. 25.A study lamp marked at ₹1280 is sold for ₹960. What is the discount percent?
26. 26.Find the compound interest on ₹20224 at 25% per year for 3 years, added every year (in ₹).
27. 27.A water tank holds 3500 litres. 25% of the water is used. How many litres are left?
28. 28.Diya puts ₹3400 in a bank at 3% simple interest per year. How much will she have after 3 years (in ₹)?
29. 29.Karan is 3 years older than Rohan. In 3 years, the sum of their ages will be 43. How old is Rohan now?
30. 30.Ananya is 10 years older than Aarav. In 2 years, the sum of their ages will be 48. How old is Aarav now?
31. 31.Ishaan’s batting average after 14 innings is 26 runs. How many runs must Ishaan score in the next innings to raise the average to 30?
32. 32.The average of 5 numbers is 16. When one more number is added, the average becomes 21. What number was added?
33. 33.Kabir cycles to his school at 35 km/h and comes back by the same road at 63 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.A car runs for 1 hour at 30 km/h and then for 1 hour at 78 km/h. What is its average speed for the whole journey (in km/h)?
35. 35.What is the difference between the compound interest and the simple interest on ₹30000 at 8% per year for 2 years (in ₹)?
36. 36.After a 30% discount, a pressure cooker costs ₹2632. What was its marked price (in ₹)?
37. 37.A water tank holds 2340 litres. 25% of the water is used. How many litres are left?
38. 38.Zoya can finish a job in 12 days and Kabir in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
39. 39.Diya works three times as fast as Karan. Together they finish a job in 3 days. How many days would Karan take alone?
40. 40.7 years ago, Tara’s mother was three times as old as Tara. The mother is 28 years old now. How old is Tara now?

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