Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 650 · 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 watch marked at ₹180 is sold for ₹144. What is the discount percent?
2. 2.Change 54 km/h into metres per second.
3. 3.Kabir can finish a job in 4 days and Manav in 6 days. Kabir works alone for 2 days and then stops. Manav finishes the rest. How many days does Manav take?
4. 4.After a 15% discount, a pair of shoes costs ₹731. What was its marked price (in ₹)?
5. 5.Find the amount when ₹37500 is invested at 12% per year compound interest for 2 years (in ₹).
6. 6.Pooja can finish a job in 11 days and Kavya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
7. 7.The average weight of 7 children is 46 kg. One child, who weighs 64 kg, leaves the group. What is the new average weight (in kg)?
8. 8.Diya puts ₹10500 in a bank at 15% simple interest per year. How much will she have after 5 years (in ₹)?
9. 9.Diya puts ₹12400 in a bank at 4% simple interest per year. How much will she have after 2 years (in ₹)?
10. 10.The price of a bicycle is ₹2800. It goes up by 40%. What is the new price (in ₹)?
11. 11.Rahul is 5 years older than Karan. In 9 years, the sum of their ages will be 35. How old is Karan now?
12. 12.After a 40% discount, a table fan costs ₹936. What was its marked price (in ₹)?
13. 13.A table fan is marked at ₹480. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
14. 14.Change 5 m/s into km/h.
15. 15.In how many years will ₹17700 earn ₹2478 as simple interest at 7% per year?
16. 16.A watch bought for ₹200 is sold at a loss of 5%. What is the selling price (in ₹)?
17. 17.A pressure cooker bought for ₹880 is sold at a profit of 5%. What is the selling price (in ₹)?
18. 18.Saanvi is 5 years older than Rohan. In 6 years, the sum of their ages will be 61. How old is Rohan now?
19. 19.How many minutes does a car take to go 119 km at 42 km/h?
20. 20.Marks of 5 friends in a quiz: 85, 61, 90, 77, 67. What is their average mark?
21. 21.Aarav’s father is three times as old as Aarav. The sum of their ages is 28 years. How old is the father?
22. 22.Find the compound interest on ₹41000 at 10% per year for 2 years, added every year (in ₹).
23. 23.By selling a watch for ₹540, a shopkeeper makes a loss of 50%. What did the watch cost the shopkeeper (in ₹)?
24. 24.In how many years will ₹17000 earn ₹1700 as simple interest at 2% per year?
25. 25.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
26. 26.Vivaan is 9 years older than Zoya. In 5 years, the sum of their ages will be 35. How old is Zoya now?
27. 27.The price of a bicycle is ₹500. It goes up by 40%. What is the new price (in ₹)?
28. 28.A school bag is marked at ₹455. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
29. 29.A cricket bat is marked at ₹900. The shop gives a 10% discount. How much do you pay (in ₹)?
30. 30.Marks of 5 friends in a quiz: 37, 29, 37, 19, 28. What is their average mark?
31. 31.A car runs for 4 hours at 80 km/h and then for 4 hours at 58 km/h. What is its average speed for the whole journey (in km/h)?
32. 32.A price comes down by 25% and then comes down by 30% more. By what percent has it come down in all? =
33. 33.Kabir cycles to his school at 84 km/h and comes back by the same road at 28 km/h. What is his average speed for the whole trip (in km/h)?
34. 34.After a 40% discount, a school bag costs ₹276. What was its marked price (in ₹)?
35. 35.Change 18 km/h into metres per second.
36. 36.The average weight of 10 children is 28 kg. One child, who weighs 37 kg, leaves the group. What is the new average weight (in kg)?
37. 37.Aditya’s father is twice as old as Aditya. The sum of their ages is 24 years. How old is Aditya?
38. 38.A shopkeeper buys a bicycle for ₹2000 and sells it for ₹1600. Find the loss percent.
39. 39.Manav can finish a job in 6 days and Diya in 10 days. What fraction of the job do they finish if they work together for 2 days? =
40. 40.A shop sells an average of 59 kg of sugar a day for 6 days, and then 53 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?

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