Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 346 · 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 price goes up by 15% and then goes up by 25% more. By what percent has it gone up in all? =
2. 2.By selling a table fan for ₹1184, a shopkeeper makes a loss of 20%. What did the table fan cost the shopkeeper (in ₹)?
3. 3.Find the amount when ₹40800 is invested at 5% per year compound interest for 2 years (in ₹).
4. 4.Kabir works three times as fast as Meera. Together they finish a job in 7 days. How many days would Meera take alone?
5. 5.Ananya’s father is five times as old as Ananya. The sum of their ages is 72 years. How old is the father?
6. 6.Meera and Aarav together finish a job in 18 days. Meera alone takes 27 days. How many days would Aarav take alone?
7. 7.In 10 years, Tara will be three times as old as Tara was 2 years ago. How old is Tara now?
8. 8.Kabir cycles to his school at 90 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.Diya puts ₹5800 in a bank at 5% simple interest per year. How much will she have after 2 years (in ₹)?
10. 10.Rohan’s father is three times as old as Rohan. The sum of their ages is 32 years. How old is Rohan?
11. 11.What sum of money earns ₹2816 simple interest in 2 years at 11% per year (in ₹)?
12. 12.A price goes up by 20% and then comes down by 5%. By what percent has it gone up in all? =
13. 13.Kabir cycles to his school at 28 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
14. 14.A price comes down by 5% and then comes down by 10% more. By what percent has it come down in all? =
15. 15.The average of 5 numbers is 29. When one more number is added, the average becomes 33. What number was added?
16. 16.A table fan is marked at ₹432. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
17. 17.Change 90 km/h into metres per second.
18. 18.A pair of shoes is marked at ₹460. The shop gives a 25% discount. How much do you pay (in ₹)?
19. 19.Find the amount when ₹22976 is invested at 25% per year compound interest for 3 years (in ₹).
20. 20.A pressure cooker marked at ₹220 is sold for ₹198. What is the discount percent?
21. 21.In 24 years, Rohan will be twice as old as Rohan was 6 years ago. How old is Rohan now?
22. 22.Nisha can finish a job in 13 days and Rohan in 16 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
23. 23.The average weight of 11 children is 33 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
24. 24.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 21 years. How old is the father?
25. 25.A watch is marked at ₹4940. The shop gives a 50% discount. How much do you pay (in ₹)?
26. 26.A town has 3300 people. Its population grows by 50%. How many people live there now?
27. 27.Marks of 4 friends in a quiz: 78, 75, 76, 75. What is their average mark?
28. 28.The average weight of 6 children is 43 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
29. 29.By selling a pressure cooker for ₹770, a shopkeeper makes a loss of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
30. 30.In 20 years, Nisha will be three times as old as Nisha was 2 years ago. How old is Nisha now?
31. 31.What is the difference between the compound interest and the simple interest on ₹47500 at 12% per year for 2 years (in ₹)?
32. 32.A water tank holds 3160 litres. 10% of the water is used. How many litres are left?
33. 33.A shopkeeper buys a table fan for ₹140 and sells it for ₹126. Find the loss percent.
34. 34.The average weight of 9 children is 28 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
35. 35.The average weight of 5 children is 39 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
36. 36.The price of a school bag changes from ₹2240 to ₹2352. By what percent did it go up?
37. 37.A school bag marked at ₹1480 is sold for ₹1258. What is the discount percent?
38. 38.Marks of 5 friends in a quiz: 32, 51, 44, 25, 48. What is their average mark?
39. 39.Find the simple interest on ₹18000 at 5% per year for 1 year (in ₹).
40. 40.After a 50% discount, a school bag costs ₹390. What was its marked price (in ₹)?

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