Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 540 · 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.In 20 years, Ishaan will be twice as old as Ishaan was 3 years ago. How old is Ishaan now?
2. 2.Marks of 5 friends in a quiz: 16, 30, 22, 18, 14. What is their average mark?
3. 3.Sneha and Nisha together finish a job in 12 days. Sneha alone takes 30 days. How many days would Nisha take alone?
4. 4.A shop sells an average of 24 kg of sugar a day for 5 days, and then 51 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
5. 5.Diya puts ₹1700 in a bank at 8% simple interest per year. How much will she have after 5 years (in ₹)?
6. 6.Priya’s father is three times as old as Priya. The sum of their ages is 24 years. How old is the father?
7. 7.Dev can finish a job in 6 days and Vivaan in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
8. 8.Find the compound interest on ₹40400 at 15% per year for 2 years, added every year (in ₹).
9. 9.Find the amount when ₹28500 is invested at 20% per year compound interest for 3 years (in ₹).
10. 10.In how many years will ₹19300 earn ₹8492 as simple interest at 11% per year?
11. 11.After a 15% discount, a study lamp costs ₹1547. What was its marked price (in ₹)?
12. 12.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
13. 13.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
14. 14.The average of 4 numbers is 17. When one more number is added, the average becomes 18. What number was added?
15. 15.10 years ago, Zoya’s mother was four times as old as Zoya. The mother is 26 years old now. How old is Zoya now?
16. 16.A pair of shoes bought for ₹320 is sold at a profit of 30%. What is the selling price (in ₹)?
17. 17.The simple interest on ₹9100 for 2 years is ₹1274. What is the rate of interest (% per year)?
18. 18.A water tank holds 3360 litres. 40% of the water is used. How many litres are left?
19. 19.In how many years will ₹800 earn ₹120 as simple interest at 15% per year?
20. 20.A school bag bought for ₹1580 is sold at a loss of 5%. What is the selling price (in ₹)?
21. 21.Find the amount when ₹25200 is invested at 15% per year compound interest for 2 years (in ₹).
22. 22.Find the amount when ₹41000 is invested at 10% per year compound interest for 3 years (in ₹).
23. 23.Change 15 m/s into km/h.
24. 24.How many minutes does a car take to go 136 km at 51 km/h?
25. 25.A pressure cooker marked at ₹1000 is sold for ₹800. What is the discount percent?
26. 26.A school bag is marked at ₹3420. The shop gives a 10% discount. How much do you pay (in ₹)?
27. 27.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
28. 28.Karan is 10 years older than Rohan. In 6 years, the sum of their ages will be 34. How old is Rohan now?
29. 29.A shop sells 3940 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
30. 30.A water tank holds 880 litres. 5% of the water is used. How many litres are left?
31. 31.Ishaan and Farhan together finish a job in 5 days. Ishaan alone takes 30 days. How many days would Farhan take alone?
32. 32.A pressure cooker marked at ₹3000 is sold for ₹2700. What is the discount percent?
33. 33.Find the compound interest on ₹38000 at 10% per year for 2 years, added every year (in ₹).
34. 34.The simple interest on ₹1000 for 2 years is ₹60. What is the rate of interest (% per year)?
35. 35.Find the amount when ₹22000 is invested at 5% per year compound interest for 2 years (in ₹).
36. 36.A table fan marked at ₹1460 is sold for ₹1314. What is the discount percent?
37. 37.A water tank holds 3680 litres. 30% of the water is used. How many litres are left?
38. 38.The average weight of 5 children is 37 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
39. 39.By selling a pair of shoes for ₹670, a shopkeeper makes a loss of 50%. What did the pair of shoes cost the shopkeeper (in ₹)?
40. 40.A bicycle marked at ₹2740 is sold for ₹2603. What is the discount percent?

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