Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 611 · 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 amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
2. 2.In 21 years, Tara will be three times as old as Tara was 3 years ago. How old is Tara now?
3. 3.Find the compound interest on ₹18750 at 12% per year for 2 years, added every year (in ₹).
4. 4.The price of a school bag changes from ₹4320 to ₹6480. By what percent did it go up?
5. 5.The average weight of 10 children is 42 kg. One child, who weighs 69 kg, leaves the group. What is the new average weight (in kg)?
6. 6.In how many years will ₹2100 earn ₹630 as simple interest at 15% per year?
7. 7.Kabir cycles to his school at 40 km/h and comes back by the same road at 88 km/h. What is his average speed for the whole trip (in km/h)?
8. 8.Change 35 m/s into km/h.
9. 9.A cricket bat marked at ₹1380 is sold for ₹1104. What is the discount percent?
10. 10.Nisha and Aarav together finish a job in 8 days. Nisha alone takes 12 days. How many days would Aarav take alone?
11. 11.A cricket bat bought for ₹520 is sold at a loss of 5%. What is the selling price (in ₹)?
12. 12.A water tank holds 1540 litres. 10% of the water is used. How many litres are left?
13. 13.Find the simple interest on ₹19900 at 5% per year for 4 years (in ₹).
14. 14.A bicycle is marked at ₹4820. The shop gives a 15% discount. How much do you pay (in ₹)?
15. 15.Ananya is 5 years older than Aarav. In 2 years, the sum of their ages will be 27. How old is Aarav now?
16. 16.Nisha can finish a job in 3 days and Dev in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.By selling a school bag for ₹1848, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
18. 18.A table fan is marked at ₹3200. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
19. 19.How many minutes does a car take to go 50 km at 60 km/h?
20. 20.Find the simple interest on ₹18400 at 3% per year for 2 years (in ₹).
21. 21.Rohan is 3 years older than Dev. In 4 years, the sum of their ages will be 53. How old is Dev now?
22. 22.The average of 4 numbers is 32. When one more number is added, the average becomes 36. What number was added?
23. 23.Kabir cycles to his school at 15 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
24. 24.The price of a school bag changes from ₹2520 to ₹1890. By what percent did it come down?
25. 25.A water tank holds 2460 litres. 40% of the water is used. How many litres are left?
26. 26.Kavya can finish a job in 18 days and Diya in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.The simple interest on ₹1000 for 2 years is ₹200. What is the rate of interest (% per year)?
28. 28.A shopkeeper buys a pair of shoes for ₹1660 and sells it for ₹830. Find the loss percent.
29. 29.A table fan marked at ₹4600 is sold for ₹2300. What is the discount percent?
30. 30.A town has 4420 people. Its population grows by 25%. How many people live there now?
31. 31.Find the compound interest on ₹5568 at 25% per year for 3 years, added every year (in ₹).
32. 32.By selling a pair of shoes for ₹1200, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
33. 33.Nisha’s father is three times as old as Nisha. The sum of their ages is 32 years. How old is the father?
34. 34.A bus runs at 39 km/h. How far does it go in 40 minutes (in km)?
35. 35.How many minutes does a car take to go 65 km at 60 km/h?
36. 36.Arjun’s batting average after 12 innings is 33 runs. How many runs must Arjun score in the next innings to raise the average to 35?
37. 37.A town has 2300 people. Its population grows by 5%. How many people live there now?
38. 38.A price goes up by 10% and then goes up by 30% more. By what percent has it gone up in all? =
39. 39.Kabir cycles to his school at 90 km/h and comes back by the same road at 45 km/h. What is his average speed for the whole trip (in km/h)?
40. 40.By selling a table fan for ₹1314, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?

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