Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 597 · 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 simple interest on ₹700 for 5 years is ₹525. What is the rate of interest (% per year)?
2. 2.The simple interest on ₹19900 for 3 years is ₹7164. What is the rate of interest (% per year)?
3. 3.Find the amount when ₹46875 is invested at 8% per year compound interest for 3 years (in ₹).
4. 4.Priya is 8 years older than Kabir. In 10 years, the sum of their ages will be 58. How old is Kabir now?
5. 5.Change 54 km/h into metres per second.
6. 6.Arjun’s father is twice as old as Arjun. The sum of their ages is 21 years. How old is Arjun?
7. 7.Rohan works three times as fast as Arjun. Together they finish a job in 6 days. How many days would Arjun take alone?
8. 8.The average weight of 7 children is 38 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
9. 9.7 years ago, Aarav’s mother was twice as old as Aarav. The mother is 25 years old now. How old is Aarav now?
10. 10.3 years ago, Aarav’s mother was three times as old as Aarav. The mother is 24 years old now. How old is Aarav now?
11. 11.The average of 6 numbers is 56. When one more number is added, the average becomes 60. What number was added?
12. 12.How many minutes does a car take to go 72 km at 48 km/h?
13. 13.Diya puts ₹4800 in a bank at 9% simple interest per year. How much will she have after 5 years (in ₹)?
14. 14.In how many years will ₹13700 earn ₹7124 as simple interest at 13% per year?
15. 15.A pair of shoes marked at ₹1780 is sold for ₹1513. What is the discount percent?
16. 16.Ishaan can finish a job in 17 days and Diya in 14 days. What fraction of the job do they finish if they work together for 3 days? =
17. 17.In 14 years, Arjun will be three times as old as Arjun was 2 years ago. How old is Arjun now?
18. 18.Sneha is 10 years older than Diya. In 9 years, the sum of their ages will be 64. How old is Diya now?
19. 19.What is the difference between the compound interest and the simple interest on ₹49100 at 10% per year for 2 years (in ₹)?
20. 20.Kabir cycles to his school at 33 km/h and comes back by the same road at 66 km/h. What is his average speed for the whole trip (in km/h)?
21. 21.By selling a watch for ₹1659, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
22. 22.Find the simple interest on ₹12900 at 3% per year for 1 year (in ₹).
23. 23.A water tank holds 3960 litres. 5% of the water is used. How many litres are left?
24. 24.The price of a school bag changes from ₹3000 to ₹4500. By what percent did it go up?
25. 25.Pooja is 9 years older than Nisha. In 4 years, the sum of their ages will be 67. How old is Nisha now?
26. 26.A bicycle bought for ₹760 is sold at a profit of 15%. What is the selling price (in ₹)?
27. 27.Diya puts ₹13800 in a bank at 7% simple interest per year. How much will she have after 1 year (in ₹)?
28. 28.Diya puts ₹7300 in a bank at 8% simple interest per year. How much will she have after 2 years (in ₹)?
29. 29.Marks of 5 friends in a quiz: 64, 73, 74, 83, 61. What is their average mark?
30. 30.A study lamp bought for ₹1660 is sold at a profit of 15%. What is the selling price (in ₹)?
31. 31.A pressure cooker is marked at ₹580. The shop gives a 10% discount. How much do you pay (in ₹)?
32. 32.Rohan’s father is three times as old as Rohan. The sum of their ages is 48 years. How old is Rohan?
33. 33.A shop sells 3400 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
34. 34.A bus runs at 46 km/h. How far does it go in 90 minutes (in km)?
35. 35.By selling a watch for ₹2600, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
36. 36.Farhan can finish a job in 6 days and Ananya in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
37. 37.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
38. 38.Rohan’s father is three times as old as Rohan. The sum of their ages is 56 years. How old is the father?
39. 39.The price of a bicycle is ₹480. It goes up by 25%. What is the new price (in ₹)?
40. 40.A school bag bought for ₹1700 is sold at a profit of 25%. What is the selling price (in ₹)?

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