Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 877 · 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.Aarav and Ishaan together finish a job in 6 days. Aarav alone takes 9 days. How many days would Ishaan take alone?
2. 2.What is the difference between the compound interest and the simple interest on ₹12500 at 8% per year for 2 years (in ₹)?
3. 3.In how many years will ₹9800 earn ₹784 as simple interest at 4% per year?
4. 4.A table fan is marked at ₹505. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
5. 5.A shopkeeper buys a watch for ₹480 and sells it for ₹408. Find the loss percent.
6. 6.Find the compound interest on ₹37500 at 12% per year for 2 years, added every year (in ₹).
7. 7.By selling a cricket bat for ₹1656, a shopkeeper makes a profit of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
8. 8.Manav’s father is five times as old as Manav. The sum of their ages is 78 years. How old is Manav?
9. 9.The price of a school bag changes from ₹3700 to ₹5180. By what percent did it go up?
10. 10.Find the simple interest on ₹1900 at 2% per year for 1 year (in ₹).
11. 11.What sum of money earns ₹2790 simple interest in 1 year at 15% per year (in ₹)?
12. 12.Find the amount when ₹1900 is invested at 20% per year compound interest for 2 years (in ₹).
13. 13.Find the simple interest on ₹1400 at 5% per year for 1 year (in ₹).
14. 14.Find the amount when ₹12800 is invested at 5% per year compound interest for 2 years (in ₹).
15. 15.A shop sells 2180 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
16. 16.Kabir can finish a job in 17 days and Farhan in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.Find the amount when ₹48000 is invested at 5% per year compound interest for 3 years (in ₹).
18. 18.In 25 years, Dev will be twice as old as Dev was 3 years ago. How old is Dev now?
19. 19.Find the simple interest on ₹14500 at 11% per year for 2 years (in ₹).
20. 20.Find the amount when ₹37000 is invested at 10% per year compound interest for 3 years (in ₹).
21. 21.The average weight of 12 children is 37 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
22. 22.Aditya and Tara together finish a job in 3 days. Aditya alone takes 6 days. How many days would Tara take alone?
23. 23.Ananya and Karan together finish a job in 2 days. Ananya alone takes 3 days. How many days would Karan take alone?
24. 24.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
25. 25.By selling a bicycle for ₹1680, a shopkeeper makes a profit of 40%. What did the bicycle cost the shopkeeper (in ₹)?
26. 26.Find the amount when ₹36375 is invested at 20% per year compound interest for 3 years (in ₹).
27. 27.The simple interest on ₹4600 for 4 years is ₹1104. What is the rate of interest (% per year)?
28. 28.A pressure cooker bought for ₹1500 is sold at a loss of 50%. What is the selling price (in ₹)?
29. 29.Meera’s batting average after 6 innings is 34 runs. How many runs must Meera score in the next innings to raise the average to 38?
30. 30.After a 50% discount, a cricket bat costs ₹1910. What was its marked price (in ₹)?
31. 31.Rohan and Aditya together finish a job in 3 days. Rohan alone takes 6 days. How many days would Aditya take alone?
32. 32.A shopkeeper buys a cricket bat for ₹1420 and sells it for ₹1704. Find the profit percent.
33. 33.Isha works three times as fast as Dev. Together they finish a job in 9 days. How many days would Dev take alone?
34. 34.After a 40% discount, a watch costs ₹2124. What was its marked price (in ₹)?
35. 35.Find the simple interest on ₹2900 at 12% per year for 1 year (in ₹).
36. 36.What sum of money earns ₹4550 simple interest in 5 years at 13% per year (in ₹)?
37. 37.A shop sells an average of 45 kg of sugar a day for 4 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
38. 38.What is the difference between the compound interest and the simple interest on ₹15000 at 8% per year for 2 years (in ₹)?
39. 39.Change 108 km/h into metres per second.
40. 40.A cricket bat bought for ₹320 is sold at a profit of 15%. What is the selling price (in ₹)?

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