Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 674 · 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.By selling a watch for ₹1078, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
2. 2.Change 5 m/s into km/h.
3. 3.Sneha can finish a job in 8 days and Nisha in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
4. 4.After a 40% discount, a watch costs ₹852. What was its marked price (in ₹)?
5. 5.Find the simple interest on ₹5600 at 12% per year for 4 years (in ₹).
6. 6.A water tank holds 200 litres. 10% of the water is used. How many litres are left?
7. 7.The price of a school bag changes from ₹2440 to ₹2562. By what percent did it go up?
8. 8.By selling a bicycle for ₹870, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
9. 9.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
10. 10.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 21 years. How old is the father?
11. 11.Saanvi can finish a job in 5 days and Meera in 20 days. Saanvi works alone for 2 days and then stops. Meera finishes the rest. How many days does Meera take?
12. 12.What sum of money earns ₹6075 simple interest in 3 years at 15% per year (in ₹)?
13. 13.By selling a watch for ₹836, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
14. 14.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
15. 15.Vivaan’s batting average after 7 innings is 39 runs. How many runs must Vivaan score in the next innings to raise the average to 42?
16. 16.A town has 3920 people. Its population grows by 25%. How many people live there now?
17. 17.A pair of shoes is marked at ₹590. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
18. 18.By selling a bicycle for ₹1482, a shopkeeper makes a loss of 5%. What did the bicycle cost the shopkeeper (in ₹)?
19. 19.In 25 years, Karan will be twice as old as Karan was 3 years ago. How old is Karan now?
20. 20.A water tank holds 3660 litres. 50% of the water is used. How many litres are left?
21. 21.A price comes down by 40% and then comes down by 10% more. By what percent has it come down in all? =
22. 22.A bus runs at 80 km/h. How far does it go in 15 minutes (in km)?
23. 23.Nisha works twice as fast as Aditya. Together they finish a job in 4 days. How many days would Aditya take alone?
24. 24.How many minutes does a car take to go 47 km at 30 km/h?
25. 25.Diya puts ₹12800 in a bank at 7% simple interest per year. How much will she have after 1 year (in ₹)?
26. 26.A watch marked at ₹1840 is sold for ₹920. What is the discount percent?
27. 27.What is the difference between the compound interest and the simple interest on ₹47200 at 15% per year for 2 years (in ₹)?
28. 28.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
29. 29.How many minutes does a car take to go 48 km at 80 km/h?
30. 30.By selling a bicycle for ₹476, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
31. 31.A car runs for 1 hour at 43 km/h and then for 2 hours at 79 km/h. What is its average speed for the whole journey (in km/h)?
32. 32.A cricket bat is marked at ₹592. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
33. 33.What sum of money earns ₹2952 simple interest in 4 years at 9% per year (in ₹)?
34. 34.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
35. 35.Marks of 4 friends in a quiz: 59, 46, 48, 67. What is their average mark?
36. 36.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
37. 37.What sum of money earns ₹410 simple interest in 1 year at 10% per year (in ₹)?
38. 38.A town has 3720 people. Its population grows by 40%. How many people live there now?
39. 39.The average weight of 10 children is 33 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
40. 40.Saanvi can finish a job in 9 days and Aditya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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