Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 984 · 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.Tara can finish a job in 15 days and Rahul in 20 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
2. 2.Find the amount when ₹11600 is invested at 5% per year compound interest for 2 years (in ₹).
3. 3.The simple interest on ₹2800 for 2 years is ₹448. What is the rate of interest (% per year)?
4. 4.Change 5 m/s into km/h.
5. 5.A shopkeeper buys a pair of shoes for ₹1160 and sells it for ₹696. Find the loss percent.
6. 6.The price of a school bag changes from ₹3920 to ₹3332. By what percent did it come down?
7. 7.7 years ago, Dev’s mother was twice as old as Dev. The mother is 25 years old now. How old is Dev now?
8. 8.A water tank holds 1500 litres. 5% of the water is used. How many litres are left?
9. 9.What is the difference between the compound interest and the simple interest on ₹45200 at 25% per year for 2 years (in ₹)?
10. 10.Diya puts ₹13600 in a bank at 4% simple interest per year. How much will she have after 1 year (in ₹)?
11. 11.Kavya is 3 years older than Sneha. In 10 years, the sum of their ages will be 57. How old is Sneha now?
12. 12.What is the difference between the compound interest and the simple interest on ₹20400 at 10% per year for 2 years (in ₹)?
13. 13.3 years ago, Aarav’s mother was three times as old as Aarav. The mother is 27 years old now. How old is Aarav now?
14. 14.Aditya can finish a job in 15 days and Diya in 30 days. Aditya works alone for 3 days and then stops. Diya finishes the rest. How many days does Diya take?
15. 15.Vivaan’s father is five times as old as Vivaan. The sum of their ages is 90 years. How old is the father?
16. 16.The price of a school bag changes from ₹4060 to ₹5278. By what percent did it go up?
17. 17.Karan can finish a job in 7 days and Tara in 14 days. What fraction of the job do they finish if they work together for 1 day? =
18. 18.Pooja’s batting average after 5 innings is 44 runs. How many runs must Pooja score in the next innings to raise the average to 48?
19. 19.Kabir cycles to his school at 10 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
20. 20.The price of a school bag changes from ₹1440 to ₹864. By what percent did it come down?
21. 21.Marks of 4 friends in a quiz: 20, 40, 22, 50. What is their average mark?
22. 22.Tara’s father is four times as old as Tara. The sum of their ages is 35 years. How old is the father?
23. 23.By selling a cricket bat for ₹144, a shopkeeper makes a profit of 20%. What did the cricket bat cost the shopkeeper (in ₹)?
24. 24.Kavya and Pooja together finish a job in 15 days. Kavya alone takes 18 days. How many days would Pooja take alone?
25. 25.Rohan’s batting average after 6 innings is 34 runs. How many runs must Rohan score in the next innings to raise the average to 37?
26. 26.A price goes up by 50% and then goes up by 20% more. By what percent has it gone up in all? =
27. 27.A pressure cooker bought for ₹1180 is sold at a loss of 10%. What is the selling price (in ₹)?
28. 28.Priya’s batting average after 6 innings is 24 runs. How many runs must Priya score in the next innings to raise the average to 28?
29. 29.Diya can finish a job in 13 days and Manav in 26 days. Diya works alone for 5 days and then stops. Manav finishes the rest. How many days does Manav take?
30. 30.By selling a table fan for ₹1134, a shopkeeper makes a loss of 10%. What did the table fan cost the shopkeeper (in ₹)?
31. 31.In how many years will ₹17400 earn ₹1566 as simple interest at 9% per year?
32. 32.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
33. 33.By selling a study lamp for ₹703, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
34. 34.A shopkeeper buys a study lamp for ₹1720 and sells it for ₹2580. Find the profit percent.
35. 35.Change 36 km/h into metres per second.
36. 36.A pair of shoes is marked at ₹1040. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
37. 37.Find the amount when ₹48000 is invested at 25% per year compound interest for 3 years (in ₹).
38. 38.Ananya’s batting average after 11 innings is 45 runs. How many runs must Ananya score in the next innings to raise the average to 46?
39. 39.Arjun and Diya together finish a job in 2 days. Arjun alone takes 3 days. How many days would Diya take alone?
40. 40.The average weight of 8 children is 41 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?

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