Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 834 · 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.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
2. 2.A study lamp is marked at ₹4720. The shop gives a 15% discount. How much do you pay (in ₹)?
3. 3.The average of 6 numbers is 43. When one more number is added, the average becomes 48. What number was added?
4. 4.Pooja is 4 years older than Nisha. In 3 years, the sum of their ages will be 62. How old is Nisha now?
5. 5.A shop sells 4000 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
6. 6.Isha’s batting average after 14 innings is 27 runs. How many runs must Isha score in the next innings to raise the average to 28?
7. 7.After a 5% discount, a pressure cooker costs ₹1197. What was its marked price (in ₹)?
8. 8.Nisha can finish a job in 5 days and Ananya in 25 days. Nisha works alone for 2 days and then stops. Ananya finishes the rest. How many days does Ananya take?
9. 9.Kabir’s father is three times as old as Kabir. The sum of their ages is 60 years. How old is the father?
10. 10.The average of 5 numbers is 35. When one more number is added, the average becomes 40. What number was added?
11. 11.Marks of 6 friends in a quiz: 45, 40, 21, 33, 39, 32. What is their average mark?
12. 12.Marks of 6 friends in a quiz: 41, 34, 37, 29, 31, 38. What is their average mark?
13. 13.A pair of shoes marked at ₹180 is sold for ₹126. What is the discount percent?
14. 14.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
15. 15.3 years ago, Farhan’s mother was three times as old as Farhan. The mother is 21 years old now. How old is Farhan now?
16. 16.A cricket bat bought for ₹1120 is sold at a loss of 25%. What is the selling price (in ₹)?
17. 17.A watch bought for ₹120 is sold at a loss of 25%. What is the selling price (in ₹)?
18. 18.How many minutes does a car take to go 50 km at 60 km/h?
19. 19.A town has 3360 people. Its population grows by 15%. How many people live there now?
20. 20.A shopkeeper buys a watch for ₹1960 and sells it for ₹1470. Find the loss percent.
21. 21.Find the amount when ₹30240 is invested at 25% per year compound interest for 2 years (in ₹).
22. 22.The average of 5 numbers is 18. When one more number is added, the average becomes 21. What number was added?
23. 23.Tara works three times as fast as Saanvi. Together they finish a job in 10 days. How many days would Saanvi take alone?
24. 24.Dev can finish a job in 4 days and Diya in 19 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
25. 25.In 1 years, Saanvi will be twice as old as Saanvi was 6 years ago. How old is Saanvi now?
26. 26.What is the difference between the compound interest and the simple interest on ₹1600 at 15% per year for 2 years (in ₹)?
27. 27.What is the difference between the compound interest and the simple interest on ₹25000 at 4% per year for 2 years (in ₹)?
28. 28.Pooja’s batting average after 5 innings is 28 runs. How many runs must Pooja score in the next innings to raise the average to 32?
29. 29.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
30. 30.Kabir cycles to his school at 70 km/h and comes back by the same road at 30 km/h. What is his average speed for the whole trip (in km/h)?
31. 31.Rahul’s father is four times as old as Rahul. The sum of their ages is 35 years. How old is Rahul?
32. 32.What is the difference between the compound interest and the simple interest on ₹50000 at 10% per year for 2 years (in ₹)?
33. 33.Farhan’s father is five times as old as Farhan. The sum of their ages is 60 years. How old is the father?
34. 34.Rohan and Meera together finish a job in 12 days. Rohan alone takes 15 days. How many days would Meera take alone?
35. 35.The price of a bicycle is ₹4700. It goes up by 15%. What is the new price (in ₹)?
36. 36.A shopkeeper buys a bicycle for ₹1700 and sells it for ₹1615. Find the loss percent.
37. 37.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
38. 38.How many minutes does a car take to go 66 km at 36 km/h?
39. 39.After a 25% discount, a school bag costs ₹1770. What was its marked price (in ₹)?
40. 40.6 years ago, Kabir’s mother was twice as old as Kabir. The mother is 12 years old now. How old is Kabir now?

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