Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 58 · 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.Kavya can finish a job in 14 days and Nisha in 13 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
2. 2.Find the amount when ₹7500 is invested at 10% per year compound interest for 2 years (in ₹).
3. 3.Marks of 4 friends in a quiz: 74, 73, 62, 31. What is their average mark?
4. 4.A cricket bat is marked at ₹1840. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
5. 5.Rohan can finish a job in 4 days and Meera in 8 days. What fraction of the job do they finish if they work together for 1 day? =
6. 6.A town has 4820 people. Its population grows by 30%. How many people live there now?
7. 7.The price of a school bag changes from ₹4900 to ₹2940. By what percent did it come down?
8. 8.The simple interest on ₹14900 for 5 years is ₹3725. What is the rate of interest (% per year)?
9. 9.A shop sells 1640 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
10. 10.The average of 4 numbers is 40. When one more number is added, the average becomes 41. What number was added?
11. 11.Vivaan can finish a job in 6 days and Sneha in 12 days. Vivaan works alone for 3 days and then stops. Sneha finishes the rest. How many days does Sneha take?
12. 12.2 years ago, Sneha’s mother was three times as old as Sneha. The mother is 14 years old now. How old is Sneha now?
13. 13.By selling a watch for ₹840, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
14. 14.A pair of shoes is marked at ₹1960. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
15. 15.What sum of money earns ₹4410 simple interest in 5 years at 9% per year (in ₹)?
16. 16.A watch bought for ₹640 is sold at a profit of 20%. What is the selling price (in ₹)?
17. 17.Rohan’s father is three times as old as Rohan. The sum of their ages is 40 years. How old is the father?
18. 18.A cricket bat is marked at ₹100. The shop gives a 30% discount. How much do you pay (in ₹)?
19. 19.Change 20 m/s into km/h.
20. 20.The average of 5 numbers is 37. When one more number is added, the average becomes 40. What number was added?
21. 21.The average of 8 numbers is 31. When one more number is added, the average becomes 34. What number was added?
22. 22.A shopkeeper buys a bicycle for ₹320 and sells it for ₹240. Find the loss percent.
23. 23.Kabir can finish a job in 21 days and Arjun in 14 days. Kabir works alone for 18 days and then stops. Arjun finishes the rest. How many days does Arjun take?
24. 24.In how many years will ₹9800 earn ₹784 as simple interest at 8% per year?
25. 25.Saanvi and Karan together finish a job in 2 days. Saanvi alone takes 3 days. How many days would Karan take alone?
26. 26.Manav and Karan together finish a job in 5 days. Manav alone takes 6 days. How many days would Karan take alone?
27. 27.The average weight of 9 children is 29 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
28. 28.A shop sells an average of 46 kg of sugar a day for 4 days, and then 40 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
29. 29.By selling a watch for ₹1960, a shopkeeper makes a profit of 40%. What did the watch cost the shopkeeper (in ₹)?
30. 30.In how many years will ₹2500 earn ₹825 as simple interest at 11% per year?
31. 31.A cricket bat marked at ₹1680 is sold for ₹1176. What is the discount percent?
32. 32.The simple interest on ₹9200 for 2 years is ₹1656. What is the rate of interest (% per year)?
33. 33.The simple interest on ₹5800 for 2 years is ₹464. What is the rate of interest (% per year)?
34. 34.Pooja and Isha together finish a job in 6 days. Pooja alone takes 8 days. How many days would Isha take alone?
35. 35.The average of 8 numbers is 24. When one more number is added, the average becomes 28. What number was added?
36. 36.By selling a study lamp for ₹180, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?
37. 37.9 years ago, Pooja’s mother was four times as old as Pooja. The mother is 41 years old now. How old is Pooja now?
38. 38.Change 10 m/s into km/h.
39. 39.Find the simple interest on ₹19300 at 4% per year for 4 years (in ₹).
40. 40.A shopkeeper buys a school bag for ₹1940 and sells it for ₹2134. Find the profit percent.

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