Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 741 · 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 compound interest on ₹25920 at 25% per year for 3 years, added every year (in ₹).
2. 2.9 years ago, Nisha’s mother was three times as old as Nisha. The mother is 33 years old now. How old is Nisha now?
3. 3.Find the amount when ₹6016 is invested at 25% per year compound interest for 3 years (in ₹).
4. 4.A town has 3420 people. Its population grows by 5%. How many people live there now?
5. 5.By selling a school bag for ₹323, a shopkeeper makes a loss of 15%. What did the school bag cost the shopkeeper (in ₹)?
6. 6.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
7. 7.What sum of money earns ₹3375 simple interest in 3 years at 9% per year (in ₹)?
8. 8.A watch marked at ₹140 is sold for ₹133. What is the discount percent?
9. 9.In 27 years, Arjun will be twice as old as Arjun was 4 years ago. How old is Arjun now?
10. 10.A study lamp is marked at ₹4740. The shop gives a 40% discount. How much do you pay (in ₹)?
11. 11.The average of 5 numbers is 51. When one more number is added, the average becomes 57. What number was added?
12. 12.Kabir cycles to his school at 78 km/h and comes back by the same road at 26 km/h. What is his average speed for the whole trip (in km/h)?
13. 13.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
14. 14.Kavya can finish a job in 5 days and Manav in 14 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
15. 15.Nisha can finish a job in 16 days and Sneha in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
16. 16.What sum of money earns ₹385 simple interest in 1 year at 5% per year (in ₹)?
17. 17.Aditya and Aarav together finish a job in 6 days. Aditya alone takes 9 days. How many days would Aarav take alone?
18. 18.Ananya is 2 years older than Aarav. In 7 years, the sum of their ages will be 28. How old is Aarav now?
19. 19.A water tank holds 2360 litres. 30% of the water is used. How many litres are left?
20. 20.Change 36 km/h into metres per second.
21. 21.In how many years will ₹9700 earn ₹1940 as simple interest at 10% per year?
22. 22.A study lamp bought for ₹1540 is sold at a profit of 25%. What is the selling price (in ₹)?
23. 23.By selling a school bag for ₹126, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
24. 24.Tara’s father is five times as old as Tara. The sum of their ages is 48 years. How old is the father?
25. 25.How many minutes does a car take to go 77 km at 33 km/h?
26. 26.By selling a bicycle for ₹756, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
27. 27.By selling a bicycle for ₹90, a shopkeeper makes a loss of 50%. What did the bicycle cost the shopkeeper (in ₹)?
28. 28.Nisha and Meera together finish a job in 12 days. Nisha alone takes 16 days. How many days would Meera take alone?
29. 29.A shopkeeper buys a pressure cooker for ₹1940 and sells it for ₹1358. Find the loss percent.
30. 30.The simple interest on ₹9900 for 1 year is ₹495. What is the rate of interest (% per year)?
31. 31.The average of 9 numbers is 16. When one more number is added, the average becomes 20. What number was added?
32. 32.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
33. 33.Zoya can finish a job in 18 days and Sneha in 17 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.Ananya can finish a job in 3 days and Priya in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
35. 35.A water tank holds 2980 litres. 15% of the water is used. How many litres are left?
36. 36.A water tank holds 4260 litres. 15% of the water is used. How many litres are left?
37. 37.By selling a watch for ₹294, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
38. 38.A table fan bought for ₹200 is sold at a loss of 25%. What is the selling price (in ₹)?
39. 39.A shop sells an average of 35 kg of sugar a day for 4 days, and then 42 kg a day for the next 3 days. What is the average sale per day for all 7 days (in kg)?
40. 40.By selling a pressure cooker for ₹609, a shopkeeper makes a profit of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?

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