Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 509 · 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.Zoya can finish a job in 8 days and Rahul in 18 days. Zoya works alone for 4 days and then stops. Rahul finishes the rest. How many days does Rahul take?
2. 2.Find the compound interest on ₹28000 at 15% per year for 2 years, added every year (in ₹).
3. 3.The price of a school bag changes from ₹120 to ₹96. By what percent did it come down?
4. 4.A water tank holds 2780 litres. 20% of the water is used. How many litres are left?
5. 5.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
6. 6.What is the difference between the compound interest and the simple interest on ₹40000 at 4% per year for 2 years (in ₹)?
7. 7.Find the compound interest on ₹26240 at 25% per year for 3 years, added every year (in ₹).
8. 8.Meera can finish a job in 4 days and Arjun in 8 days. Meera works alone for 2 days and then stops. Arjun finishes the rest. How many days does Arjun take?
9. 9.The price of a school bag changes from ₹3940 to ₹4531. By what percent did it go up?
10. 10.Ananya can finish a job in 28 days and Rahul in 12 days. Ananya works alone for 7 days and then stops. Rahul finishes the rest. How many days does Rahul take?
11. 11.The price of a school bag changes from ₹3520 to ₹1760. By what percent did it come down?
12. 12.How many minutes does a car take to go 25 km at 50 km/h?
13. 13.Saanvi can finish a job in 20 days and Diya in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.The average weight of 5 children is 30 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
15. 15.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
16. 16.The average of 6 numbers is 36. When one more number is added, the average becomes 41. What number was added?
17. 17.The price of a school bag changes from ₹1680 to ₹1512. By what percent did it come down?
18. 18.Diya puts ₹13400 in a bank at 11% simple interest per year. How much will she have after 3 years (in ₹)?
19. 19.2 years ago, Arjun’s mother was twice as old as Arjun. The mother is 24 years old now. How old is Arjun now?
20. 20.A school bag is marked at ₹470. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
21. 21.Vivaan 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. =
22. 22.Find the amount when ₹6016 is invested at 25% per year compound interest for 3 years (in ₹).
23. 23.The simple interest on ₹18700 for 4 years is ₹8228. What is the rate of interest (% per year)?
24. 24.A shopkeeper buys a school bag for ₹840 and sells it for ₹420. Find the loss percent.
25. 25.In how many years will ₹4100 earn ₹1148 as simple interest at 14% per year?
26. 26.By selling a pressure cooker for ₹530, a shopkeeper makes a loss of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
27. 27.A shopkeeper buys a school bag for ₹440 and sells it for ₹264. Find the loss percent.
28. 28.Nisha is 7 years older than Sneha. In 2 years, the sum of their ages will be 23. How old is Sneha now?
29. 29.Tara can finish a job in 19 days and Vivaan in 15 days. What fraction of the job do they finish if they work together for 3 days? =
30. 30.A study lamp marked at ₹3140 is sold for ₹2198. What is the discount percent?
31. 31.A school bag marked at ₹1700 is sold for ₹1530. What is the discount percent?
32. 32.Change 15 m/s into km/h.
33. 33.Aditya can finish a job in 14 days and Kabir in 4 days. What fraction of the job do they finish if they work together for 1 day? =
34. 34.Diya puts ₹7700 in a bank at 2% simple interest per year. How much will she have after 5 years (in ₹)?
35. 35.In 16 years, Karan will be three times as old as Karan was 2 years ago. How old is Karan now?
36. 36.By selling a bicycle for ₹2220, a shopkeeper makes a profit of 50%. What did the bicycle cost the shopkeeper (in ₹)?
37. 37.What is the difference between the compound interest and the simple interest on ₹48400 at 5% per year for 2 years (in ₹)?
38. 38.Change 72 km/h into metres per second.
39. 39.Aarav’s father is five times as old as Aarav. The sum of their ages is 30 years. How old is the father?
40. 40.A water tank holds 2300 litres. 20% of the water is used. How many litres are left?

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