Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 972 · 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.Change 10 m/s into km/h.
2. 2.What is the difference between the compound interest and the simple interest on ₹29600 at 5% per year for 2 years (in ₹)?
3. 3.By selling a bicycle for ₹1386, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
4. 4.Kavya and Aditya together finish a job in 15 days. Kavya alone takes 24 days. How many days would Aditya take alone?
5. 5.Diya can finish a job in 8 days and Isha in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
6. 6.Change 90 km/h into metres per second.
7. 7.By selling a study lamp for ₹903, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
8. 8.Tara works three times as fast as Diya. Together they finish a job in 9 days. How many days would Diya take alone?
9. 9.By selling a pair of shoes for ₹960, a shopkeeper makes a loss of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
10. 10.Diya’s father is five times as old as Diya. The sum of their ages is 48 years. How old is Diya?
11. 11.Rohan works twice as fast as Farhan. Together they finish a job in 3 days. How many days would Farhan take alone?
12. 12.The price of a school bag changes from ₹4680 to ₹6084. By what percent did it go up?
13. 13.A bicycle bought for ₹1820 is sold at a loss of 20%. What is the selling price (in ₹)?
14. 14.In how many years will ₹9400 earn ₹5640 as simple interest at 15% per year?
15. 15.A watch marked at ₹3680 is sold for ₹2944. What is the discount percent?
16. 16.Find the amount when ₹1500 is invested at 10% per year compound interest for 2 years (in ₹).
17. 17.A bicycle marked at ₹4420 is sold for ₹3315. What is the discount percent?
18. 18.A study lamp marked at ₹2020 is sold for ₹1818. What is the discount percent?
19. 19.A water tank holds 4800 litres. 10% of the water is used. How many litres are left?
20. 20.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
21. 21.Change 36 km/h into metres per second.
22. 22.A watch bought for ₹180 is sold at a loss of 25%. What is the selling price (in ₹)?
23. 23.Rahul is 10 years older than Kabir. In 2 years, the sum of their ages will be 30. How old is Kabir now?
24. 24.A water tank holds 3520 litres. 30% of the water is used. How many litres are left?
25. 25.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
26. 26.A table fan marked at ₹2340 is sold for ₹1404. What is the discount percent?
27. 27.A car runs for 2 hours at 62 km/h and then for 1 hour at 35 km/h. What is its average speed for the whole journey (in km/h)?
28. 28.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
29. 29.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
30. 30.Arjun works three times as fast as Rohan. Together they finish a job in 11 days. How many days would Rohan take alone?
31. 31.A price comes down by 10% and then comes down by 15% more. By what percent has it come down in all? =
32. 32.Manav can finish a job in 6 days and Kabir in 18 days. Manav works alone for 3 days and then stops. Kabir finishes the rest. How many days does Kabir take?
33. 33.Find the compound interest on ₹46875 at 12% per year for 2 years, added every year (in ₹).
34. 34.The price of a bicycle is ₹820. It goes up by 30%. What is the new price (in ₹)?
35. 35.How many minutes does a car take to go 82 km at 30 km/h?
36. 36.Find the compound interest on ₹5000 at 8% per year for 2 years, added every year (in ₹).
37. 37.A shop sells an average of 35 kg of sugar a day for 6 days, and then 25 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
38. 38.Vivaan can finish a job in 15 days and Rahul in 9 days. Vivaan works alone for 5 days and then stops. Rahul finishes the rest. How many days does Rahul take?
39. 39.Find the amount when ₹28800 is invested at 15% per year compound interest for 2 years (in ₹).
40. 40.After a 20% discount, a school bag costs ₹3152. What was its marked price (in ₹)?

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