Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 198 · 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.Priya and Aarav together finish a job in 6 days. Priya alone takes 24 days. How many days would Aarav take alone?
2. 2.A study lamp is marked at ₹1250. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
3. 3.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
4. 4.Aditya can finish a job in 14 days and Rohan in 4 days. What fraction of the job do they finish if they work together for 1 day? =
5. 5.A car runs for 1 hour at 33 km/h and then for 1 hour at 79 km/h. What is its average speed for the whole journey (in km/h)?
6. 6.After a 25% discount, a school bag costs ₹2235. What was its marked price (in ₹)?
7. 7.What is the difference between the compound interest and the simple interest on ₹30000 at 12% per year for 2 years (in ₹)?
8. 8.Zoya can finish a job in 20 days and Dev in 7 days. What fraction of the job do they finish if they work together for 1 day? =
9. 9.Find the simple interest on ₹13500 at 12% per year for 1 year (in ₹).
10. 10.Kabir’s father is four times as old as Kabir. The sum of their ages is 70 years. How old is the father?
11. 11.A bus runs at 74 km/h. How far does it go in 30 minutes (in km)?
12. 12.Kavya is 5 years older than Nisha. In 4 years, the sum of their ages will be 43. How old is Nisha now?
13. 13.The simple interest on ₹16600 for 3 years is ₹1992. What is the rate of interest (% per year)?
14. 14.A shopkeeper buys a study lamp for ₹400 and sells it for ₹420. Find the profit percent.
15. 15.Rohan can finish a job in 6 days and Aditya in 7 days. What fraction of the job do they finish if they work together for 1 day? =
16. 16.A price goes up by 25% and then comes down by 10%. By what percent has it gone up in all? =
17. 17.Find the simple interest on ₹12100 at 5% per year for 1 year (in ₹).
18. 18.A water tank holds 4060 litres. 15% of the water is used. How many litres are left?
19. 19.The price of a school bag changes from ₹2220 to ₹2331. By what percent did it go up?
20. 20.A car runs for 2 hours at 75 km/h and then for 1 hour at 54 km/h. What is its average speed for the whole journey (in km/h)?
21. 21.After a 30% discount, a school bag costs ₹3430. What was its marked price (in ₹)?
22. 22.A shop sells an average of 76 kg of sugar a day for 5 days, and then 44 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?
23. 23.Change 35 m/s into km/h.
24. 24.Diya puts ₹2400 in a bank at 3% simple interest per year. How much will she have after 3 years (in ₹)?
25. 25.A shopkeeper buys a study lamp for ₹900 and sells it for ₹630. Find the loss percent.
26. 26.Kabir cycles to his school at 60 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
27. 27.Tara and Pooja together finish a job in 2 days. Tara alone takes 3 days. How many days would Pooja take alone?
28. 28.The price of a bicycle is ₹360. It goes up by 50%. What is the new price (in ₹)?
29. 29.By selling a pair of shoes for ₹1175, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
30. 30.Sneha can finish a job in 4 days and Farhan in 13 days. What fraction of the job do they finish if they work together for 2 days? =
31. 31.A shopkeeper buys a table fan for ₹1140 and sells it for ₹1197. Find the profit percent.
32. 32.Priya can finish a job in 16 days and Isha in 24 days. Priya works alone for 14 days and then stops. Isha finishes the rest. How many days does Isha take?
33. 33.By selling a school bag for ₹120, a shopkeeper makes a loss of 50%. What did the school bag cost the shopkeeper (in ₹)?
34. 34.A pair of shoes is marked at ₹4420. The shop gives a 50% discount. How much do you pay (in ₹)?
35. 35.A pressure cooker is marked at ₹688. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
36. 36.The average of 9 numbers is 15. When one more number is added, the average becomes 18. What number was added?
37. 37.Nisha’s father is four times as old as Nisha. The sum of their ages is 30 years. How old is Nisha?
38. 38.By selling a watch for ₹2090, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
39. 39.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
40. 40.Manav can finish a job in 5 days and Arjun in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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