Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 569 · 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 simple interest on ₹18800 at 7% per year for 1 year (in ₹).
2. 2.A price goes up by 25% and then comes down by 5%. By what percent has it gone up in all? =
3. 3.Kavya is 6 years older than Aditya. In 8 years, the sum of their ages will be 66. How old is Aditya now?
4. 4.The average of 6 numbers is 38. When one more number is added, the average becomes 41. What number was added?
5. 5.The price of a school bag changes from ₹460 to ₹414. By what percent did it come down?
6. 6.5 years ago, Zoya’s mother was twice as old as Zoya. The mother is 23 years old now. How old is Zoya now?
7. 7.A cricket bat bought for ₹1880 is sold at a loss of 15%. What is the selling price (in ₹)?
8. 8.After a 5% discount, a bicycle costs ₹2109. What was its marked price (in ₹)?
9. 9.The average weight of 7 children is 31 kg. One child, who weighs 49 kg, leaves the group. What is the new average weight (in kg)?
10. 10.Tara can finish a job in 10 days and Ananya in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.Kabir’s father is five times as old as Kabir. The sum of their ages is 36 years. How old is Kabir?
12. 12.In how many years will ₹3100 earn ₹186 as simple interest at 3% per year?
13. 13.In 29 years, Zoya will be twice as old as Zoya was 2 years ago. How old is Zoya now?
14. 14.4 years ago, Meera’s mother was four times as old as Meera. The mother is 52 years old now. How old is Meera now?
15. 15.In 23 years, Kavya will be twice as old as Kavya was 5 years ago. How old is Kavya now?
16. 16.Diya puts ₹1800 in a bank at 3% simple interest per year. How much will she have after 2 years (in ₹)?
17. 17.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
18. 18.Diya can finish a job in 11 days and Rohan in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
19. 19.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
20. 20.5 years ago, Arjun’s mother was twice as old as Arjun. The mother is 27 years old now. How old is Arjun now?
21. 21.Isha can finish a job in 18 days and Vivaan in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
22. 22.A car runs for 1 hour at 31 km/h and then for 1 hour at 57 km/h. What is its average speed for the whole journey (in km/h)?
23. 23.Isha can finish a job in 8 days and Aarav in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.A school bag is marked at ₹4100. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
25. 25.Find the compound interest on ₹23250 at 20% per year for 2 years, added every year (in ₹).
26. 26.Rohan can finish a job in 5 days and Sneha in 10 days. Rohan works alone for 4 days and then stops. Sneha finishes the rest. How many days does Sneha take?
27. 27.Find the compound interest on ₹1200 at 10% per year for 2 years, added every year (in ₹).
28. 28.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
29. 29.In how many years will ₹15100 earn ₹906 as simple interest at 3% per year?
30. 30.In how many years will ₹4800 earn ₹384 as simple interest at 2% per year?
31. 31.A bus runs at 64 km/h. How far does it go in 30 minutes (in km)?
32. 32.In 27 years, Diya will be three times as old as Diya was 3 years ago. How old is Diya now?
33. 33.Find the amount when ₹28192 is invested at 25% per year compound interest for 2 years (in ₹).
34. 34.A school bag bought for ₹260 is sold at a profit of 25%. What is the selling price (in ₹)?
35. 35.A shopkeeper buys a watch for ₹1120 and sells it for ₹1064. Find the loss percent.
36. 36.Manav can finish a job in 16 days and Aarav in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
37. 37.A shop sells an average of 58 kg of sugar a day for 2 days, and then 40 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
38. 38.Find the compound interest on ₹23425 at 20% per year for 2 years, added every year (in ₹).
39. 39.A shop sells an average of 47 kg of sugar a day for 4 days, and then 21 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
40. 40.The simple interest on ₹7100 for 1 year is ₹355. What is the rate of interest (% per year)?

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