Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 407 · 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.Find the amount when ₹24000 is invested at 15% per year compound interest for 3 years (in ₹).
2. 2.A cricket bat is marked at ₹2620. The shop gives a 10% discount. How much do you pay (in ₹)?
3. 3.What sum of money earns ₹2172 simple interest in 1 year at 12% per year (in ₹)?
4. 4.Pooja can finish a job in 10 days and Vivaan in 3 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
5. 5.Change 54 km/h into metres per second.
6. 6.Find the amount when ₹24925 is invested at 20% per year compound interest for 2 years (in ₹).
7. 7.Rahul and Priya together finish a job in 5 days. Rahul alone takes 6 days. How many days would Priya take alone?
8. 8.A table fan is marked at ₹900. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
9. 9.A study lamp is marked at ₹2720. The shop gives a 10% discount. How much do you pay (in ₹)?
10. 10.After a 5% discount, a table fan costs ₹798. What was its marked price (in ₹)?
11. 11.Arjun is 2 years older than Sneha. In 5 years, the sum of their ages will be 66. How old is Sneha now?
12. 12.A town has 3740 people. Its population grows by 50%. How many people live there now?
13. 13.A water tank holds 460 litres. 50% of the water is used. How many litres are left?
14. 14.Karan’s father is three times as old as Karan. The sum of their ages is 44 years. How old is the father?
15. 15.The price of a school bag changes from ₹2480 to ₹2108. By what percent did it come down?
16. 16.By selling a pressure cooker for ₹2730, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
17. 17.What is the difference between the compound interest and the simple interest on ₹37900 at 10% per year for 2 years (in ₹)?
18. 18.Change 36 km/h into metres per second.
19. 19.Marks of 5 friends in a quiz: 27, 35, 23, 23, 42. What is their average mark?
20. 20.Change 90 km/h into metres per second.
21. 21.A study lamp marked at ₹1720 is sold for ₹1204. What is the discount percent?
22. 22.Find the compound interest on ₹40176 at 25% per year for 2 years, added every year (in ₹).
23. 23.A price comes down by 40% and then comes down by 50% more. By what percent has it come down in all? =
24. 24.How many minutes does a car take to go 136 km at 60 km/h?
25. 25.Pooja and Zoya together finish a job in 2 days. Pooja alone takes 3 days. How many days would Zoya take alone?
26. 26.Diya puts ₹19200 in a bank at 15% simple interest per year. How much will she have after 1 year (in ₹)?
27. 27.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
28. 28.Marks of 5 friends in a quiz: 73, 63, 58, 80, 86. What is their average mark?
29. 29.A shopkeeper buys a pressure cooker for ₹940 and sells it for ₹1316. Find the profit percent.
30. 30.The average weight of 11 children is 42 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
31. 31.A water tank holds 1440 litres. 5% of the water is used. How many litres are left?
32. 32.A price comes down by 5% and then comes down by 10% more. By what percent has it come down in all? =
33. 33.A school bag is marked at ₹435. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
34. 34.Rahul’s father is five times as old as Rahul. The sum of their ages is 48 years. How old is Rahul?
35. 35.The price of a school bag changes from ₹920 to ₹736. By what percent did it come down?
36. 36.A school bag is marked at ₹2800. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
37. 37.Vivaan can finish a job in 15 days and Meera in 24 days. Vivaan works alone for 5 days and then stops. Meera finishes the rest. How many days does Meera take?
38. 38.A shopkeeper buys a bicycle for ₹1940 and sells it for ₹2522. Find the profit percent.
39. 39.In how many years will ₹18200 earn ₹10192 as simple interest at 14% per year?
40. 40.The price of a bicycle is ₹3140. It goes up by 15%. What is the new price (in ₹)?

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