Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 670 · 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.A shopkeeper buys a pressure cooker for ₹480 and sells it for ₹504. Find the profit percent.
2. 2.Diya puts ₹8700 in a bank at 9% simple interest per year. How much will she have after 2 years (in ₹)?
3. 3.Nisha can finish a job in 8 days and Kabir in 28 days. Nisha works alone for 6 days and then stops. Kabir finishes the rest. How many days does Kabir take?
4. 4.The price of a school bag changes from ₹2300 to ₹2990. By what percent did it go up?
5. 5.The average of 6 numbers is 52. When one more number is added, the average becomes 58. What number was added?
6. 6.The average weight of 9 children is 34 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
7. 7.By selling a bicycle for ₹360, a shopkeeper makes a loss of 10%. What did the bicycle cost the shopkeeper (in ₹)?
8. 8.What is the difference between the compound interest and the simple interest on ₹44000 at 10% per year for 2 years (in ₹)?
9. 9.A study lamp bought for ₹1500 is sold at a loss of 50%. What is the selling price (in ₹)?
10. 10.Change 40 m/s into km/h.
11. 11.By selling a cricket bat for ₹1008, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
12. 12.A shopkeeper buys a study lamp for ₹800 and sells it for ₹760. Find the loss percent.
13. 13.Karan’s father is three times as old as Karan. The sum of their ages is 52 years. How old is Karan?
14. 14.Kabir’s father is five times as old as Kabir. The sum of their ages is 42 years. How old is Kabir?
15. 15.A water tank holds 2880 litres. 15% of the water is used. How many litres are left?
16. 16.A shop sells an average of 73 kg of sugar a day for 2 days, and then 35 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
17. 17.Find the simple interest on ₹16600 at 3% per year for 4 years (in ₹).
18. 18.Pooja is 3 years older than Nisha. In 2 years, the sum of their ages will be 31. How old is Nisha now?
19. 19.A cricket bat bought for ₹1340 is sold at a loss of 5%. What is the selling price (in ₹)?
20. 20.2 years ago, Ananya’s mother was twice as old as Ananya. The mother is 10 years old now. How old is Ananya now?
21. 21.The simple interest on ₹7300 for 3 years is ₹1533. What is the rate of interest (% per year)?
22. 22.Find the amount when ₹26875 is invested at 20% per year compound interest for 3 years (in ₹).
23. 23.A cricket bat is marked at ₹496. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
24. 24.Change 10 m/s into km/h.
25. 25.The simple interest on ₹5700 for 1 year is ₹399. What is the rate of interest (% per year)?
26. 26.A price comes down by 25% and then comes down by 30% more. By what percent has it come down in all? =
27. 27.The price of a bicycle is ₹4960. It goes up by 5%. What is the new price (in ₹)?
28. 28.A water tank holds 4660 litres. 30% of the water is used. How many litres are left?
29. 29.A study lamp marked at ₹2180 is sold for ₹1526. What is the discount percent?
30. 30.Pooja’s batting average after 5 innings is 22 runs. How many runs must Pooja score in the next innings to raise the average to 26?
31. 31.Meera can finish a job in 14 days and Zoya in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.By selling a school bag for ₹2450, a shopkeeper makes a profit of 25%. What did the school bag cost the shopkeeper (in ₹)?
33. 33.Find the simple interest on ₹15500 at 14% per year for 2 years (in ₹).
34. 34.By selling a pair of shoes for ₹1825, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
35. 35.Nisha’s father is five times as old as Nisha. The sum of their ages is 30 years. How old is the father?
36. 36.A table fan is marked at ₹592. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
37. 37.A shopkeeper buys a watch for ₹1180 and sells it for ₹1416. Find the profit percent.
38. 38.Tara and Sneha together finish a job in 3 days. Tara alone takes 12 days. How many days would Sneha take alone?
39. 39.A price goes up by 5% and then goes up by 5% more. By what percent has it gone up in all? =
40. 40.A pair of shoes is marked at ₹432. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?

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