Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 85 · 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.Find the compound interest on ₹46000 at 10% per year for 3 years, added every year (in ₹).
2. 2.Nisha can finish a job in 15 days and Rahul in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
3. 3.What is the difference between the compound interest and the simple interest on ₹37100 at 20% per year for 2 years (in ₹)?
4. 4.2 years ago, Manav’s mother was three times as old as Manav. The mother is 17 years old now. How old is Manav now?
5. 5.A cricket bat bought for ₹1940 is sold at a profit of 10%. What is the selling price (in ₹)?
6. 6.A pair of shoes marked at ₹820 is sold for ₹656. What is the discount percent?
7. 7.In how many years will ₹18500 earn ₹5920 as simple interest at 8% per year?
8. 8.Find the amount when ₹48000 is invested at 15% per year compound interest for 3 years (in ₹).
9. 9.Kabir cycles to his school at 90 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.Find the compound interest on ₹15625 at 4% per year for 3 years, added every year (in ₹).
11. 11.Find the amount when ₹32704 is invested at 25% per year compound interest for 2 years (in ₹).
12. 12.The simple interest on ₹5900 for 2 years is ₹1298. What is the rate of interest (% per year)?
13. 13.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
14. 14.Marks of 5 friends in a quiz: 82, 76, 78, 97, 87. What is their average mark?
15. 15.The average weight of 6 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
16. 16.By selling a bicycle for ₹1104, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
17. 17.In 16 years, Meera will be three times as old as Meera was 6 years ago. How old is Meera now?
18. 18.A bicycle marked at ₹2240 is sold for ₹2128. What is the discount percent?
19. 19.Ananya is 3 years older than Kabir. In 9 years, the sum of their ages will be 31. How old is Kabir now?
20. 20.Find the compound interest on ₹24000 at 10% per year for 3 years, added every year (in ₹).
21. 21.A pair of shoes bought for ₹1000 is sold at a profit of 5%. What is the selling price (in ₹)?
22. 22.A school bag is marked at ₹1980. The shop gives a 40% discount. How much do you pay (in ₹)?
23. 23.Diya works twice as fast as Isha. Together they finish a job in 10 days. How many days would Isha take alone?
24. 24.Kabir is 7 years older than Aditya. In 8 years, the sum of their ages will be 37. How old is Aditya now?
25. 25.The average of 4 numbers is 18. When one more number is added, the average becomes 20. What number was added?
26. 26.A car runs for 1 hour at 71 km/h and then for 2 hours at 47 km/h. What is its average speed for the whole journey (in km/h)?
27. 27.A shopkeeper buys a table fan for ₹1200 and sells it for ₹960. Find the loss percent.
28. 28.Marks of 4 friends in a quiz: 94, 69, 85, 68. What is their average mark?
29. 29.Kabir cycles to his school at 28 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
30. 30.Karan and Diya together finish a job in 2 days. Karan alone takes 4 days. How many days would Diya take alone?
31. 31.The average of 6 numbers is 15. When one more number is added, the average becomes 17. What number was added?
32. 32.Nisha can finish a job in 8 days and Ishaan in 16 days. Nisha works alone for 6 days and then stops. Ishaan finishes the rest. How many days does Ishaan take?
33. 33.The price of a school bag changes from ₹660 to ₹693. By what percent did it go up?
34. 34.The price of a school bag changes from ₹260 to ₹299. By what percent did it go up?
35. 35.A pair of shoes is marked at ₹580. The shop takes 25% off, and then a further 20% off the new price. How much do you pay (in ₹)?
36. 36.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
37. 37.Meera’s father is four times as old as Meera. The sum of their ages is 25 years. How old is the father?
38. 38.Kabir cycles to his school at 10 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)?
39. 39.Find the amount when ₹7900 is invested at 10% per year compound interest for 2 years (in ₹).
40. 40.Rohan and Ishaan together finish a job in 5 days. Rohan alone takes 10 days. How many days would Ishaan take alone?

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