Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 892 · 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.Change 5 m/s into km/h.
2. 2.The average of 5 numbers is 51. When one more number is added, the average becomes 52. What number was added?
3. 3.A watch is marked at ₹2820. The shop gives a 25% discount. How much do you pay (in ₹)?
4. 4.Marks of 6 friends in a quiz: 35, 13, 36, 26, 9, 7. What is their average mark?
5. 5.Diya puts ₹7800 in a bank at 10% simple interest per year. How much will she have after 2 years (in ₹)?
6. 6.3 years ago, Ishaan’s mother was three times as old as Ishaan. The mother is 21 years old now. How old is Ishaan now?
7. 7.Change 20 m/s into km/h.
8. 8.A bicycle marked at ₹4440 is sold for ₹3774. What is the discount percent?
9. 9.A price comes down by 25% and then comes down by 30% more. By what percent has it come down in all? =
10. 10.Dev can finish a job in 6 days and Pooja in 8 days. What fraction of the job do they finish if they work together for 2 days? =
11. 11.A water tank holds 1420 litres. 5% of the water is used. How many litres are left?
12. 12.By selling a school bag for ₹624, a shopkeeper makes a loss of 40%. What did the school bag cost the shopkeeper (in ₹)?
13. 13.A cricket bat is marked at ₹800. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
14. 14.Find the amount when ₹9375 is invested at 8% per year compound interest for 2 years (in ₹).
15. 15.A watch bought for ₹540 is sold at a profit of 10%. What is the selling price (in ₹)?
16. 16.Find the amount when ₹46384 is invested at 25% per year compound interest for 2 years (in ₹).
17. 17.What sum of money earns ₹444 simple interest in 2 years at 6% per year (in ₹)?
18. 18.Find the amount when ₹9750 is invested at 20% per year compound interest for 3 years (in ₹).
19. 19.Isha’s father is twice as old as Isha. The sum of their ages is 33 years. How old is the father?
20. 20.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
21. 21.What is the difference between the compound interest and the simple interest on ₹32500 at 8% per year for 2 years (in ₹)?
22. 22.A bus runs at 54 km/h. How far does it go in 30 minutes (in km)?
23. 23.Vivaan can finish a job in 7 days and Aarav in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.A water tank holds 4720 litres. 40% of the water is used. How many litres are left?
25. 25.A bus runs at 76 km/h. How far does it go in 45 minutes (in km)?
26. 26.What sum of money earns ₹1050 simple interest in 3 years at 7% per year (in ₹)?
27. 27.A study lamp marked at ₹1260 is sold for ₹1197. What is the discount percent?
28. 28.By selling a watch for ₹120, a shopkeeper makes a profit of 20%. What did the watch cost the shopkeeper (in ₹)?
29. 29.The average of 4 numbers is 32. When one more number is added, the average becomes 34. What number was added?
30. 30.Saanvi can finish a job in 8 days and Ishaan in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
31. 31.By selling a bicycle for ₹912, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
32. 32.Change 36 km/h into metres per second.
33. 33.After a 10% discount, a school bag costs ₹1206. What was its marked price (in ₹)?
34. 34.A watch bought for ₹420 is sold at a profit of 15%. What is the selling price (in ₹)?
35. 35.A pair of shoes is marked at ₹3400. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
36. 36.Ananya is 6 years older than Arjun. In 8 years, the sum of their ages will be 60. How old is Arjun now?
37. 37.Manav works twice as fast as Saanvi. Together they finish a job in 9 days. How many days would Saanvi take alone?
38. 38.A watch bought for ₹1200 is sold at a profit of 25%. What is the selling price (in ₹)?
39. 39.The price of a school bag changes from ₹900 to ₹720. By what percent did it come down?
40. 40.A shop sells 2640 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?

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