Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 286 · 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.Ishaan is 9 years older than Nisha. In 8 years, the sum of their ages will be 53. How old is Nisha now?
2. 2.A town has 4840 people. Its population grows by 25%. How many people live there now?
3. 3.Find the compound interest on ₹37500 at 20% per year for 2 years, added every year (in ₹).
4. 4.What sum of money earns ₹130 simple interest in 1 year at 10% per year (in ₹)?
5. 5.In how many years will ₹5800 earn ₹928 as simple interest at 4% per year?
6. 6.4 years ago, Pooja’s mother was twice as old as Pooja. The mother is 16 years old now. How old is Pooja now?
7. 7.A shop sells an average of 30 kg of sugar a day for 2 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
8. 8.A price goes up by 50% and then goes up by 30% more. By what percent has it gone up in all? =
9. 9.A price goes up by 5% and then goes up by 5% more. By what percent has it gone up in all? =
10. 10.A water tank holds 120 litres. 15% of the water is used. How many litres are left?
11. 11.Marks of 5 friends in a quiz: 49, 51, 35, 27, 33. What is their average mark?
12. 12.A study lamp bought for ₹540 is sold at a profit of 5%. What is the selling price (in ₹)?
13. 13.Diya puts ₹5800 in a bank at 4% simple interest per year. How much will she have after 5 years (in ₹)?
14. 14.After a 5% discount, a table fan costs ₹3135. What was its marked price (in ₹)?
15. 15.Kavya’s batting average after 7 innings is 22 runs. How many runs must Kavya score in the next innings to raise the average to 25?
16. 16.A table fan is marked at ₹550. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
17. 17.A shop sells 4740 cups of tea a month. Next month it sells 40% more. How many cups does it sell next month?
18. 18.The average of 7 numbers is 43. When one more number is added, the average becomes 47. What number was added?
19. 19.Sneha can finish a job in 5 days and Arjun in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
20. 20.By selling a pressure cooker for ₹1628, a shopkeeper makes a profit of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
21. 21.Diya puts ₹12000 in a bank at 5% simple interest per year. How much will she have after 2 years (in ₹)?
22. 22.Find the amount when ₹2500 is invested at 4% per year compound interest for 2 years (in ₹).
23. 23.The average weight of 8 children is 36 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
24. 24.A shopkeeper buys a school bag for ₹980 and sells it for ₹735. Find the loss percent.
25. 25.In 24 years, Kabir will be three times as old as Kabir was 6 years ago. How old is Kabir now?
26. 26.Zoya can finish a job in 4 days and Karan in 24 days. Zoya works alone for 3 days and then stops. Karan finishes the rest. How many days does Karan take?
27. 27.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).
28. 28.Farhan’s batting average after 7 innings is 38 runs. How many runs must Farhan score in the next innings to raise the average to 43?
29. 29.Manav can finish a job in 18 days and Meera in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.A study lamp is marked at ₹1400. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
31. 31.Find the compound interest on ₹400 at 5% per year for 2 years, added every year (in ₹).
32. 32.Nisha’s batting average after 8 innings is 31 runs. How many runs must Nisha score in the next innings to raise the average to 35?
33. 33.9 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 21 years old now. How old is Ishaan now?
34. 34.Zoya can finish a job in 14 days and Karan in 4 days. What fraction of the job do they finish if they work together for 1 day? =
35. 35.Aditya’s father is three times as old as Aditya. The sum of their ages is 52 years. How old is the father?
36. 36.Marks of 6 friends in a quiz: 46, 47, 36, 43, 38, 24. What is their average mark?
37. 37.A school bag is marked at ₹1160. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
38. 38.The price of a bicycle is ₹580. It goes up by 15%. What is the new price (in ₹)?
39. 39.How many minutes does a car take to go 63 km at 36 km/h?
40. 40.Change 15 m/s into km/h.

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