Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 977 · 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 school bag is marked at ₹2900. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
2. 2.Isha’s father is five times as old as Isha. The sum of their ages is 36 years. How old is Isha?
3. 3.A school bag bought for ₹1900 is sold at a profit of 50%. What is the selling price (in ₹)?
4. 4.The price of a bicycle is ₹2920. It goes up by 25%. What is the new price (in ₹)?
5. 5.The simple interest on ₹8500 for 5 years is ₹4675. What is the rate of interest (% per year)?
6. 6.Find the amount when ₹31425 is invested at 20% per year compound interest for 2 years (in ₹).
7. 7.Rohan’s father is three times as old as Rohan. The sum of their ages is 28 years. How old is the father?
8. 8.How many minutes does a car take to go 136 km at 34 km/h?
9. 9.Diya puts ₹3200 in a bank at 6% simple interest per year. How much will she have after 4 years (in ₹)?
10. 10.A car runs for 3 hours at 22 km/h and then for 3 hours at 40 km/h. What is its average speed for the whole journey (in km/h)?
11. 11.A watch is marked at ₹950. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
12. 12.By selling a cricket bat for ₹330, a shopkeeper makes a profit of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
13. 13.A shopkeeper buys a watch for ₹640 and sells it for ₹704. Find the profit percent.
14. 14.The average weight of 12 children is 44 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
15. 15.A bus runs at 90 km/h. How far does it go in 90 minutes (in km)?
16. 16.A study lamp is marked at ₹1175. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
17. 17.In how many years will ₹8100 earn ₹1215 as simple interest at 15% per year?
18. 18.The average of 4 numbers is 28. When one more number is added, the average becomes 34. What number was added?
19. 19.A car runs for 1 hour at 68 km/h and then for 2 hours at 80 km/h. What is its average speed for the whole journey (in km/h)?
20. 20.The simple interest on ₹12700 for 3 years is ₹4572. What is the rate of interest (% per year)?
21. 21.A town has 2340 people. Its population grows by 5%. How many people live there now?
22. 22.Kabir’s father is four times as old as Kabir. The sum of their ages is 30 years. How old is Kabir?
23. 23.Ishaan can finish a job in 12 days and Farhan in 18 days. What fraction of the job do they finish if they work together for 3 days? =
24. 24.Find the simple interest on ₹900 at 3% per year for 3 years (in ₹).
25. 25.Diya and Tara together finish a job in 5 days. Diya alone takes 6 days. How many days would Tara take alone?
26. 26.Find the amount when ₹31168 is invested at 25% per year compound interest for 3 years (in ₹).
27. 27.A shopkeeper buys a study lamp for ₹1880 and sells it for ₹1786. Find the loss percent.
28. 28.Vivaan’s father is three times as old as Vivaan. The sum of their ages is 60 years. How old is Vivaan?
29. 29.A shop sells an average of 38 kg of sugar a day for 6 days, and then 26 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
30. 30.A water tank holds 3180 litres. 10% of the water is used. How many litres are left?
31. 31.Priya works three times as fast as Pooja. Together they finish a job in 5 days. How many days would Pooja take alone?
32. 32.Dev is 3 years older than Karan. In 6 years, the sum of their ages will be 51. How old is Karan now?
33. 33.Diya and Dev together finish a job in 9 days. Diya alone takes 10 days. How many days would Dev take alone?
34. 34.Find the amount when ₹39375 is invested at 12% per year compound interest for 2 years (in ₹).
35. 35.A watch is marked at ₹565. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
36. 36.In how many years will ₹19100 earn ₹4966 as simple interest at 13% per year?
37. 37.What is the difference between the compound interest and the simple interest on ₹30400 at 10% per year for 2 years (in ₹)?
38. 38.A watch marked at ₹2000 is sold for ₹1700. What is the discount percent?
39. 39.A shopkeeper buys a table fan for ₹1120 and sells it for ₹1064. Find the loss percent.
40. 40.Dev and Ananya together finish a job in 4 days. Dev alone takes 6 days. How many days would Ananya take alone?

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