Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 14 · 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.By selling a bicycle for ₹1606, a shopkeeper makes a profit of 10%. What did the bicycle cost the shopkeeper (in ₹)?
2. 2.Rohan’s batting average after 11 innings is 33 runs. How many runs must Rohan score in the next innings to raise the average to 34?
3. 3.A water tank holds 1140 litres. 5% of the water is used. How many litres are left?
4. 4.A shop sells 2540 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
5. 5.Manav works three times as fast as Tara. Together they finish a job in 4 days. How many days would Tara take alone?
6. 6.A price goes up by 50% and then goes up by 10% more. By what percent has it gone up in all? =
7. 7.Rahul’s father is three times as old as Rahul. The sum of their ages is 48 years. How old is Rahul?
8. 8.In 13 years, Diya will be twice as old as Diya was 5 years ago. How old is Diya now?
9. 9.Rohan’s father is three times as old as Rohan. The sum of their ages is 44 years. How old is the father?
10. 10.A car runs for 1 hour at 70 km/h and then for 1 hour at 36 km/h. What is its average speed for the whole journey (in km/h)?
11. 11.After a 5% discount, a watch costs ₹3401. What was its marked price (in ₹)?
12. 12.Karan’s father is three times as old as Karan. The sum of their ages is 32 years. How old is the father?
13. 13.A shop sells an average of 80 kg of sugar a day for 2 days, and then 35 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
14. 14.How many minutes does a car take to go 112 km at 32 km/h?
15. 15.After a 5% discount, a study lamp costs ₹4750. What was its marked price (in ₹)?
16. 16.Kabir cycles to his school at 30 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
17. 17.By selling a pressure cooker for ₹1260, a shopkeeper makes a loss of 25%. What did the pressure cooker cost the shopkeeper (in ₹)?
18. 18.Tara’s batting average after 10 innings is 46 runs. How many runs must Tara score in the next innings to raise the average to 48?
19. 19.The price of a school bag changes from ₹4520 to ₹5876. By what percent did it go up?
20. 20.What is the difference between the compound interest and the simple interest on ₹5500 at 10% per year for 2 years (in ₹)?
21. 21.A shopkeeper buys a watch for ₹1140 and sells it for ₹684. Find the loss percent.
22. 22.A water tank holds 3860 litres. 5% of the water is used. How many litres are left?
23. 23.A price comes down by 50% and then comes down by 40% more. By what percent has it come down in all? =
24. 24.The simple interest on ₹6400 for 2 years is ₹896. What is the rate of interest (% per year)?
25. 25.The average weight of 12 children is 35 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
26. 26.A bicycle is marked at ₹1150. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
27. 27.In 26 years, Ishaan will be twice as old as Ishaan was 2 years ago. How old is Ishaan now?
28. 28.By selling a school bag for ₹375, a shopkeeper makes a profit of 25%. What did the school bag cost the shopkeeper (in ₹)?
29. 29.By selling a school bag for ₹616, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
30. 30.What is the difference between the compound interest and the simple interest on ₹40000 at 25% per year for 2 years (in ₹)?
31. 31.Rohan can finish a job in 6 days and Vivaan in 15 days. Rohan works alone for 2 days and then stops. Vivaan finishes the rest. How many days does Vivaan take?
32. 32.A shop sells an average of 62 kg of sugar a day for 2 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
33. 33.A shopkeeper buys a watch for ₹1920 and sells it for ₹2688. Find the profit percent.
34. 34.Meera’s father is five times as old as Meera. The sum of their ages is 84 years. How old is Meera?
35. 35.The price of a school bag changes from ₹1220 to ₹610. By what percent did it come down?
36. 36.A car runs for 1 hour at 41 km/h and then for 1 hour at 49 km/h. What is its average speed for the whole journey (in km/h)?
37. 37.Ishaan can finish a job in 21 days and Tara in 15 days. Ishaan works alone for 14 days and then stops. Tara finishes the rest. How many days does Tara take?
38. 38.8 years ago, Tara’s mother was four times as old as Tara. The mother is 24 years old now. How old is Tara now?
39. 39.In how many years will ₹4900 earn ₹490 as simple interest at 10% per year?
40. 40.Dev can finish a job in 17 days and Arjun in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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