Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 352 · 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 40% and then comes down by 5%. By what percent has it gone up in all? =
2. 2.After a 40% discount, a watch costs ₹336. What was its marked price (in ₹)?
3. 3.Karan’s father is four times as old as Karan. The sum of their ages is 50 years. How old is Karan?
4. 4.A price goes up by 10% and then goes up by 40% more. By what percent has it gone up in all? =
5. 5.Marks of 4 friends in a quiz: 31, 27, 36, 10. What is their average mark?
6. 6.Diya puts ₹7400 in a bank at 6% simple interest per year. How much will she have after 5 years (in ₹)?
7. 7.Find the compound interest on ₹1800 at 10% per year for 2 years, added every year (in ₹).
8. 8.The price of a bicycle is ₹4980. It goes up by 15%. What is the new price (in ₹)?
9. 9.Isha works three times as fast as Zoya. Together they finish a job in 6 days. How many days would Zoya take alone?
10. 10.A cricket bat is marked at ₹540. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
11. 11.A car runs for 1 hour at 79 km/h and then for 3 hours at 67 km/h. What is its average speed for the whole journey (in km/h)?
12. 12.Kabir cycles to his school at 63 km/h and comes back by the same road at 35 km/h. What is his average speed for the whole trip (in km/h)?
13. 13.The simple interest on ₹900 for 2 years is ₹162. What is the rate of interest (% per year)?
14. 14.Meera’s father is five times as old as Meera. The sum of their ages is 36 years. How old is Meera?
15. 15.A bicycle bought for ₹400 is sold at a profit of 20%. What is the selling price (in ₹)?
16. 16.Meera can finish a job in 12 days and Tara in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.After a 10% discount, a study lamp costs ₹2754. What was its marked price (in ₹)?
18. 18.A study lamp marked at ₹680 is sold for ₹646. What is the discount percent?
19. 19.What is the difference between the compound interest and the simple interest on ₹2500 at 8% per year for 2 years (in ₹)?
20. 20.A price goes up by 20% and then goes up by 10% more. By what percent has it gone up in all? =
21. 21.A study lamp bought for ₹1500 is sold at a loss of 30%. What is the selling price (in ₹)?
22. 22.Marks of 4 friends in a quiz: 55, 62, 67, 80. What is their average mark?
23. 23.The average weight of 5 children is 39 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
24. 24.Find the simple interest on ₹13800 at 14% per year for 4 years (in ₹).
25. 25.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
26. 26.Two discounts of 10% and 25%, one after the other, are the same as one discount of what percent? =
27. 27.By selling a pair of shoes for ₹630, a shopkeeper makes a loss of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
28. 28.A shop sells an average of 20 kg of sugar a day for 6 days, and then 42 kg a day for the next 5 days. What is the average sale per day for all 11 days (in kg)?
29. 29.Change 30 m/s into km/h.
30. 30.A price goes up by 5% and then goes up by 50% more. By what percent has it gone up in all? =
31. 31.A price comes down by 50% and then comes down by 20% more. By what percent has it come down in all? =
32. 32.The simple interest on ₹4000 for 3 years is ₹480. What is the rate of interest (% per year)?
33. 33.Ananya can finish a job in 4 days and Tara in 20 days. Ananya works alone for 1 day and then stops. Tara finishes the rest. How many days does Tara take?
34. 34.Zoya can finish a job in 6 days and Kavya in 10 days. Zoya works alone for 3 days and then stops. Kavya finishes the rest. How many days does Kavya take?
35. 35.A town has 2200 people. Its population grows by 15%. How many people live there now?
36. 36.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 18 years. How old is Ishaan?
37. 37.Find the simple interest on ₹11800 at 12% per year for 5 years (in ₹).
38. 38.The price of a school bag changes from ₹2860 to ₹1716. By what percent did it come down?
39. 39.2 years ago, Tara’s mother was twice as old as Tara. The mother is 14 years old now. How old is Tara now?
40. 40.In 25 years, Diya will be twice as old as Diya was 2 years ago. How old is Diya now?

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