Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 630 · 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.A table fan is marked at ₹560. The shop takes 25% off, and then a further 10% off the new price. How much do you pay (in ₹)?
2. 2.A price goes up by 30% and then goes up by 20% more. By what percent has it gone up in all? =
3. 3.The price of a bicycle is ₹2240. It goes up by 20%. What is the new price (in ₹)?
4. 4.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
5. 5.Ananya’s batting average after 5 innings is 30 runs. How many runs must Ananya score in the next innings to raise the average to 32?
6. 6.A car runs for 2 hours at 37 km/h and then for 2 hours at 61 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.A shopkeeper buys a bicycle for ₹100 and sells it for ₹85. Find the loss percent.
8. 8.A bus runs at 80 km/h. How far does it go in 15 minutes (in km)?
9. 9.10 years ago, Rohan’s mother was three times as old as Rohan. The mother is 25 years old now. How old is Rohan now?
10. 10.A water tank holds 2480 litres. 15% of the water is used. How many litres are left?
11. 11.A bus runs at 60 km/h. How far does it go in 15 minutes (in km)?
12. 12.A shop sells 2320 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
13. 13.The average weight of 10 children is 29 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
14. 14.By selling a school bag for ₹418, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
15. 15.Rahul’s father is three times as old as Rahul. The sum of their ages is 60 years. How old is the father?
16. 16.Change 36 km/h into metres per second.
17. 17.Arjun’s batting average after 10 innings is 46 runs. How many runs must Arjun score in the next innings to raise the average to 47?
18. 18.By selling a watch for ₹30, a shopkeeper makes a loss of 50%. What did the watch cost the shopkeeper (in ₹)?
19. 19.A bicycle is marked at ₹1800. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
20. 20.A pair of shoes is marked at ₹1900. The shop gives a 15% discount. How much do you pay (in ₹)?
21. 21.Dev works twice as fast as Aarav. Together they finish a job in 2 days. How many days would Aarav take alone?
22. 22.Find the simple interest on ₹2900 at 5% per year for 3 years (in ₹).
23. 23.Dev can finish a job in 14 days and Nisha in 5 days. What fraction of the job do they finish if they work together for 2 days? =
24. 24.A car runs for 2 hours at 31 km/h and then for 2 hours at 73 km/h. What is its average speed for the whole journey (in km/h)?
25. 25.What is the difference between the compound interest and the simple interest on ₹15000 at 4% per year for 2 years (in ₹)?
26. 26.In how many years will ₹13500 earn ₹1080 as simple interest at 4% per year?
27. 27.A shopkeeper buys a study lamp for ₹1000 and sells it for ₹1400. Find the profit percent.
28. 28.Find the compound interest on ₹30625 at 20% per year for 3 years, added every year (in ₹).
29. 29.A pair of shoes marked at ₹1080 is sold for ₹810. What is the discount percent?
30. 30.Diya puts ₹1900 in a bank at 3% simple interest per year. How much will she have after 1 year (in ₹)?
31. 31.A water tank holds 2640 litres. 10% of the water is used. How many litres are left?
32. 32.4 years ago, Sneha’s mother was four times as old as Sneha. The mother is 24 years old now. How old is Sneha now?
33. 33.What is the difference between the compound interest and the simple interest on ₹32500 at 12% per year for 2 years (in ₹)?
34. 34.A table fan is marked at ₹1100. The shop gives a 10% discount. How much do you pay (in ₹)?
35. 35.A pair of shoes bought for ₹1380 is sold at a profit of 5%. What is the selling price (in ₹)?
36. 36.In how many years will ₹15800 earn ₹474 as simple interest at 3% per year?
37. 37.Sneha and Priya together finish a job in 5 days. Sneha alone takes 10 days. How many days would Priya take alone?
38. 38.Find the amount when ₹31250 is invested at 12% per year compound interest for 3 years (in ₹).
39. 39.Karan and Tara together finish a job in 2 days. Karan alone takes 3 days. How many days would Tara take alone?
40. 40.A shop sells an average of 62 kg of sugar a day for 6 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?

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