Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 414 · 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.The average weight of 8 children is 42 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
2. 2.A school bag marked at ₹1020 is sold for ₹765. What is the discount percent?
3. 3.A pair of shoes bought for ₹1160 is sold at a profit of 20%. What is the selling price (in ₹)?
4. 4.How many minutes does a car take to go 110 km at 66 km/h?
5. 5.Sneha is 3 years older than Saanvi. In 2 years, the sum of their ages will be 29. How old is Saanvi now?
6. 6.By selling a table fan for ₹1170, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?
7. 7.Kabir cycles to his school at 30 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
8. 8.Aditya’s father is five times as old as Aditya. The sum of their ages is 78 years. How old is Aditya?
9. 9.The simple interest on ₹20000 for 1 year is ₹2200. What is the rate of interest (% per year)?
10. 10.Find the compound interest on ₹21875 at 12% per year for 2 years, added every year (in ₹).
11. 11.A watch is marked at ₹4060. The shop gives a 20% discount. How much do you pay (in ₹)?
12. 12.By selling a watch for ₹1288, a shopkeeper makes a profit of 15%. What did the watch cost the shopkeeper (in ₹)?
13. 13.Vivaan is 8 years older than Aarav. In 3 years, the sum of their ages will be 38. How old is Aarav now?
14. 14.Change 36 km/h into metres per second.
15. 15.What sum of money earns ₹52 simple interest in 1 year at 4% per year (in ₹)?
16. 16.Change 18 km/h into metres per second.
17. 17.Diya puts ₹1300 in a bank at 12% simple interest per year. How much will she have after 4 years (in ₹)?
18. 18.By selling a cricket bat for ₹1008, a shopkeeper makes a loss of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
19. 19.Rahul and Aditya together finish a job in 3 days. Rahul alone takes 6 days. How many days would Aditya take alone?
20. 20.A cricket bat bought for ₹180 is sold at a loss of 5%. What is the selling price (in ₹)?
21. 21.Find the amount when ₹23000 is invested at 10% per year compound interest for 3 years (in ₹).
22. 22.Diya’s batting average after 6 innings is 20 runs. How many runs must Diya score in the next innings to raise the average to 22?
23. 23.Kabir can finish a job in 3 days and Rohan in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.Dev is 10 years older than Rahul. In 3 years, the sum of their ages will be 26. How old is Rahul now?
25. 25.A shop sells 4180 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
26. 26.A shopkeeper buys a school bag for ₹1920 and sells it for ₹960. Find the loss percent.
27. 27.In how many years will ₹11200 earn ₹1344 as simple interest at 12% per year?
28. 28.The price of a school bag changes from ₹3800 to ₹3230. By what percent did it come down?
29. 29.Marks of 4 friends in a quiz: 53, 50, 58, 59. What is their average mark?
30. 30.Marks of 5 friends in a quiz: 31, 30, 28, 49, 57. What is their average mark?
31. 31.What is the difference between the compound interest and the simple interest on ₹2400 at 10% per year for 2 years (in ₹)?
32. 32.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
33. 33.In 5 years, Manav will be twice as old as Manav was 3 years ago. How old is Manav now?
34. 34.A price goes up by 30% and then goes up by 5% more. By what percent has it gone up in all? =
35. 35.Diya puts ₹11500 in a bank at 2% simple interest per year. How much will she have after 5 years (in ₹)?
36. 36.A shop sells an average of 63 kg of sugar a day for 4 days, and then 23 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
37. 37.Ananya can finish a job in 9 days and Rohan in 18 days. Ananya works alone for 2 days and then stops. Rohan finishes the rest. How many days does Rohan take?
38. 38.8 years ago, Nisha’s mother was twice as old as Nisha. The mother is 30 years old now. How old is Nisha now?
39. 39.The simple interest on ₹16100 for 1 year is ₹805. What is the rate of interest (% per year)?
40. 40.Pooja’s father is three times as old as Pooja. The sum of their ages is 32 years. How old is Pooja?

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