Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 168 · 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.Aditya’s father is three times as old as Aditya. The sum of their ages is 44 years. How old is the father?
2. 2.Aditya can finish a job in 12 days and Arjun in 21 days. Aditya works alone for 8 days and then stops. Arjun finishes the rest. How many days does Arjun take?
3. 3.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
4. 4.Diya puts ₹13200 in a bank at 4% simple interest per year. How much will she have after 4 years (in ₹)?
5. 5.Kabir cycles to his school at 30 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
7. 7.Kabir can finish a job in 4 days and Arjun in 28 days. Kabir works alone for 2 days and then stops. Arjun finishes the rest. How many days does Arjun take?
8. 8.Farhan can finish a job in 11 days and Kabir in 22 days. Farhan works alone for 2 days and then stops. Kabir finishes the rest. How many days does Kabir take?
9. 9.In how many years will ₹1500 earn ₹525 as simple interest at 7% per year?
10. 10.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
11. 11.By selling a pressure cooker for ₹1394, a shopkeeper makes a loss of 15%. What did the pressure cooker cost the shopkeeper (in ₹)?
12. 12.A car runs for 3 hours at 41 km/h and then for 2 hours at 76 km/h. What is its average speed for the whole journey (in km/h)?
13. 13.Marks of 5 friends in a quiz: 9, 37, 33, 31, 10. What is their average mark?
14. 14.A pair of shoes bought for ₹160 is sold at a profit of 25%. What is the selling price (in ₹)?
15. 15.Find the compound interest on ₹6000 at 10% per year for 3 years, added every year (in ₹).
16. 16.Change 90 km/h into metres per second.
17. 17.3 years ago, Isha’s mother was three times as old as Isha. The mother is 36 years old now. How old is Isha now?
18. 18.Priya can finish a job in 3 days and Diya in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.A shop sells an average of 30 kg of sugar a day for 4 days, and then 63 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
20. 20.A water tank holds 2480 litres. 10% of the water is used. How many litres are left?
21. 21.A pressure cooker bought for ₹500 is sold at a loss of 15%. What is the selling price (in ₹)?
22. 22.By selling a pair of shoes for ₹1430, a shopkeeper makes a profit of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
23. 23.A school bag is marked at ₹2120. The shop gives a 5% discount. How much do you pay (in ₹)?
24. 24.Kabir is 3 years older than Manav. In 2 years, the sum of their ages will be 31. How old is Manav now?
25. 25.Find the compound interest on ₹18000 at 10% per year for 3 years, added every year (in ₹).
26. 26.Diya puts ₹5700 in a bank at 2% simple interest per year. How much will she have after 5 years (in ₹)?
27. 27.Manav can finish a job in 12 days and Sneha in 6 days. Manav works alone for 4 days and then stops. Sneha finishes the rest. How many days does Sneha take?
28. 28.What is the difference between the compound interest and the simple interest on ₹37500 at 4% per year for 2 years (in ₹)?
29. 29.A school bag marked at ₹3760 is sold for ₹2256. What is the discount percent?
30. 30.The price of a school bag changes from ₹4400 to ₹2640. By what percent did it come down?
31. 31.3 years ago, Isha’s mother was four times as old as Isha. The mother is 23 years old now. How old is Isha now?
32. 32.A shopkeeper buys a cricket bat for ₹1400 and sells it for ₹1960. Find the profit percent.
33. 33.Rahul works twice as fast as Saanvi. Together they finish a job in 3 days. How many days would Saanvi take alone?
34. 34.A pair of shoes bought for ₹1680 is sold at a loss of 50%. What is the selling price (in ₹)?
35. 35.Change 10 m/s into km/h.
36. 36.Kabir and Manav together finish a job in 3 days. Kabir alone takes 4 days. How many days would Manav take alone?
37. 37.Find the amount when ₹24200 is invested at 10% per year compound interest for 2 years (in ₹).
38. 38.What is the difference between the compound interest and the simple interest on ₹32000 at 10% per year for 2 years (in ₹)?
39. 39.A town has 1940 people. Its population grows by 20%. How many people live there now?
40. 40.The average of 6 numbers is 51. When one more number is added, the average becomes 54. What number was added?

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