Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 459 · 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.Dev works three times as fast as Nisha. Together they finish a job in 11 days. How many days would Nisha take alone?
2. 2.Diya puts ₹9600 in a bank at 15% simple interest per year. How much will she have after 1 year (in ₹)?
3. 3.What sum of money earns ₹1876 simple interest in 4 years at 7% per year (in ₹)?
4. 4.Kavya can finish a job in 7 days and Priya in 14 days. Kavya works alone for 6 days and then stops. Priya finishes the rest. How many days does Priya take?
5. 5.Zoya is 5 years older than Arjun. In 2 years, the sum of their ages will be 23. How old is Arjun now?
6. 6.A price goes up by 50% and then goes up by 40% more. By what percent has it gone up in all? =
7. 7.Change 18 km/h into metres per second.
8. 8.A price comes down by 5% and then comes down by 20% more. By what percent has it come down in all? =
9. 9.What sum of money earns ₹2490 simple interest in 1 year at 15% per year (in ₹)?
10. 10.The simple interest on ₹4900 for 4 years is ₹1960. What is the rate of interest (% per year)?
11. 11.By selling a school bag for ₹1188, a shopkeeper makes a loss of 10%. What did the school bag cost the shopkeeper (in ₹)?
12. 12.The average weight of 11 children is 43 kg. One child, who weighs 63 kg, leaves the group. What is the new average weight (in kg)?
13. 13.A table fan marked at ₹560 is sold for ₹392. What is the discount percent?
14. 14.By selling a pressure cooker for ₹1638, a shopkeeper makes a profit of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
15. 15.By selling a watch for ₹888, a shopkeeper makes a profit of 20%. What did the watch cost the shopkeeper (in ₹)?
16. 16.What is the difference between the compound interest and the simple interest on ₹14400 at 25% per year for 2 years (in ₹)?
17. 17.Tara works twice as fast as Meera. Together they finish a job in 4 days. How many days would Meera take alone?
18. 18.Change 35 m/s into km/h.
19. 19.A shop sells 1920 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
20. 20.Find the simple interest on ₹12700 at 11% per year for 5 years (in ₹).
21. 21.Find the compound interest on ₹10800 at 10% per year for 2 years, added every year (in ₹).
22. 22.The simple interest on ₹5400 for 2 years is ₹1296. What is the rate of interest (% per year)?
23. 23.By selling a cricket bat for ₹69, a shopkeeper makes a profit of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
24. 24.A school bag marked at ₹3780 is sold for ₹3213. What is the discount percent?
25. 25.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
26. 26.A study lamp marked at ₹1360 is sold for ₹1224. What is the discount percent?
27. 27.A water tank holds 4740 litres. 40% of the water is used. How many litres are left?
28. 28.Kabir cycles to his school at 75 km/h and comes back by the same road at 50 km/h. What is his average speed for the whole trip (in km/h)?
29. 29.What is the difference between the compound interest and the simple interest on ₹12800 at 15% per year for 2 years (in ₹)?
30. 30.A water tank holds 1340 litres. 50% of the water is used. How many litres are left?
31. 31.What is the difference between the compound interest and the simple interest on ₹31200 at 25% per year for 2 years (in ₹)?
32. 32.A water tank holds 760 litres. 30% of the water is used. How many litres are left?
33. 33.9 years ago, Nisha’s mother was four times as old as Nisha. The mother is 29 years old now. How old is Nisha now?
34. 34.A table fan is marked at ₹3220. The shop gives a 25% discount. How much do you pay (in ₹)?
35. 35.By selling a pressure cooker for ₹660, a shopkeeper makes a profit of 50%. What did the pressure cooker cost the shopkeeper (in ₹)?
36. 36.A water tank holds 3100 litres. 30% of the water is used. How many litres are left?
37. 37.Aditya’s father is five times as old as Aditya. The sum of their ages is 36 years. How old is Aditya?
38. 38.The price of a school bag changes from ₹4540 to ₹2724. By what percent did it come down?
39. 39.Manav can finish a job in 18 days and Meera in 12 days. What fraction of the job do they finish if they work together for 1 day? =
40. 40.In how many years will ₹13000 earn ₹1950 as simple interest at 3% per year?

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