Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 215 · 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.Change 108 km/h into metres per second.
2. 2.Nisha’s father is five times as old as Nisha. The sum of their ages is 78 years. How old is the father?
3. 3.Priya is 4 years older than Diya. In 6 years, the sum of their ages will be 36. How old is Diya now?
4. 4.A shop sells an average of 27 kg of sugar a day for 6 days, and then 55 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
5. 5.A price comes down by 30% and then comes down by 25% more. By what percent has it come down in all? =
6. 6.Zoya’s batting average after 13 innings is 48 runs. How many runs must Zoya score in the next innings to raise the average to 51?
7. 7.The price of a bicycle is ₹2400. It goes up by 15%. What is the new price (in ₹)?
8. 8.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
9. 9.A pair of shoes bought for ₹1660 is sold at a loss of 5%. What is the selling price (in ₹)?
10. 10.By selling a school bag for ₹644, a shopkeeper makes a profit of 15%. What did the school bag cost the shopkeeper (in ₹)?
11. 11.Find the amount when ₹39300 is invested at 10% per year compound interest for 2 years (in ₹).
12. 12.The average of 7 numbers is 48. When one more number is added, the average becomes 51. What number was added?
13. 13.In 8 years, Ananya will be twice as old as Ananya was 3 years ago. How old is Ananya now?
14. 14.A water tank holds 1700 litres. 5% of the water is used. How many litres are left?
15. 15.By selling a table fan for ₹150, a shopkeeper makes a loss of 25%. What did the table fan cost the shopkeeper (in ₹)?
16. 16.A price goes up by 30% and then goes up by 5% more. By what percent has it gone up in all? =
17. 17.A bus runs at 24 km/h. How far does it go in 20 minutes (in km)?
18. 18.A price goes up by 40% and then goes up by 25% more. By what percent has it gone up in all? =
19. 19.A shopkeeper buys a school bag for ₹1560 and sells it for ₹1794. Find the profit percent.
20. 20.The simple interest on ₹4300 for 5 years is ₹3010. What is the rate of interest (% per year)?
21. 21.9 years ago, Dev’s mother was three times as old as Dev. The mother is 21 years old now. How old is Dev now?
22. 22.3 years ago, Tara’s mother was three times as old as Tara. The mother is 21 years old now. How old is Tara now?
23. 23.A price goes up by 25% and then goes up by 5% more. By what percent has it gone up in all? =
24. 24.Find the compound interest on ₹32000 at 5% per year for 2 years, added every year (in ₹).
25. 25.Kabir cycles to his school at 42 km/h and comes back by the same road at 56 km/h. What is his average speed for the whole trip (in km/h)?
26. 26.A study lamp is marked at ₹632. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
27. 27.By selling a watch for ₹1748, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
28. 28.A shopkeeper buys a pair of shoes for ₹1280 and sells it for ₹1536. Find the profit percent.
29. 29.After a 40% discount, a watch costs ₹1572. What was its marked price (in ₹)?
30. 30.A town has 3620 people. Its population grows by 20%. How many people live there now?
31. 31.Find the compound interest on ₹24000 at 15% per year for 2 years, added every year (in ₹).
32. 32.What sum of money earns ₹10010 simple interest in 5 years at 13% per year (in ₹)?
33. 33.A watch bought for ₹900 is sold at a loss of 15%. What is the selling price (in ₹)?
34. 34.After a 15% discount, a study lamp costs ₹255. What was its marked price (in ₹)?
35. 35.Diya and Zoya together finish a job in 4 days. Diya alone takes 12 days. How many days would Zoya take alone?
36. 36.Change 90 km/h into metres per second.
37. 37.Rohan can finish a job in 2 days and Manav in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.Priya’s batting average after 6 innings is 34 runs. How many runs must Priya score in the next innings to raise the average to 36?
39. 39.The average weight of 6 children is 48 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
40. 40.A shopkeeper buys a school bag for ₹60 and sells it for ₹57. Find the loss percent.

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