Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 866 · 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.A shopkeeper buys a watch for ₹520 and sells it for ₹546. Find the profit percent.
2. 2.In 21 years, Saanvi will be twice as old as Saanvi was 4 years ago. How old is Saanvi now?
3. 3.The average weight of 9 children is 34 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
4. 4.Manav and Aarav together finish a job in 2 days. Manav alone takes 3 days. How many days would Aarav take alone?
5. 5.Change 18 km/h into metres per second.
6. 6.Find the simple interest on ₹8100 at 9% per year for 4 years (in ₹).
7. 7.Ishaan’s father is four times as old as Ishaan. The sum of their ages is 65 years. How old is Ishaan?
8. 8.A car runs for 2 hours at 25 km/h and then for 2 hours at 71 km/h. What is its average speed for the whole journey (in km/h)?
9. 9.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
10. 10.Nisha can finish a job in 9 days and Rahul in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.A water tank holds 3320 litres. 30% of the water is used. How many litres are left?
12. 12.Aarav can finish a job in 4 days and Kabir in 18 days. Aarav works alone for 2 days and then stops. Kabir finishes the rest. How many days does Kabir take?
13. 13.Sneha can finish a job in 11 days and Rahul in 22 days. Sneha works alone for 2 days and then stops. Rahul finishes the rest. How many days does Rahul take?
14. 14.After a 50% discount, a watch costs ₹1200. What was its marked price (in ₹)?
15. 15.After a 30% discount, a cricket bat costs ₹266. What was its marked price (in ₹)?
16. 16.Find the simple interest on ₹17200 at 4% per year for 2 years (in ₹).
17. 17.The average weight of 7 children is 35 kg. One child, who weighs 41 kg, leaves the group. What is the new average weight (in kg)?
18. 18.Find the amount when ₹48000 is invested at 15% per year compound interest for 3 years (in ₹).
19. 19.What sum of money earns ₹315 simple interest in 3 years at 5% per year (in ₹)?
20. 20.A shopkeeper buys a pressure cooker for ₹1940 and sells it for ₹2037. Find the profit percent.
21. 21.Isha can finish a job in 20 days and Kavya in 16 days. What fraction of the job do they finish if they work together for 2 days? =
22. 22.A car runs for 2 hours at 39 km/h and then for 2 hours at 53 km/h. What is its average speed for the whole journey (in km/h)?
23. 23.Aditya’s father is three times as old as Aditya. The sum of their ages is 52 years. How old is Aditya?
24. 24.Find the amount when ₹20400 is invested at 15% per year compound interest for 2 years (in ₹).
25. 25.By selling a pressure cooker for ₹1950, a shopkeeper makes a profit of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
26. 26.Manav is 2 years older than Ananya. In 4 years, the sum of their ages will be 38. How old is Ananya now?
27. 27.Aditya works three times as fast as Nisha. Together they finish a job in 2 days. How many days would Nisha take alone?
28. 28.Diya puts ₹11600 in a bank at 6% simple interest per year. How much will she have after 2 years (in ₹)?
29. 29.A bus runs at 28 km/h. How far does it go in 15 minutes (in km)?
30. 30.A shop sells an average of 21 kg of sugar a day for 2 days, and then 65 kg a day for the next 6 days. What is the average sale per day for all 8 days (in kg)?
31. 31.By selling a study lamp for ₹574, a shopkeeper makes a loss of 30%. What did the study lamp cost the shopkeeper (in ₹)?
32. 32.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
33. 33.By selling a school bag for ₹1008, a shopkeeper makes a profit of 20%. What did the school bag cost the shopkeeper (in ₹)?
34. 34.A bicycle marked at ₹3940 is sold for ₹2758. What is the discount percent?
35. 35.Meera’s batting average after 11 innings is 25 runs. How many runs must Meera score in the next innings to raise the average to 29?
36. 36.A price comes down by 25% and then comes down by 25% more. By what percent has it come down in all? =
37. 37.The average weight of 6 children is 37 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
38. 38.The average weight of 12 children is 29 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
39. 39.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
40. 40.The price of a bicycle is ₹4260. It goes up by 10%. What is the new price (in ₹)?

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