Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 397 · 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 car runs for 2 hours at 40 km/h and then for 3 hours at 60 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.A cricket bat is marked at ₹620. The shop takes 50% off, and then a further 10% off the new price. How much do you pay (in ₹)?
3. 3.After a 15% discount, a bicycle costs ₹3995. What was its marked price (in ₹)?
4. 4.A shop sells an average of 63 kg of sugar a day for 3 days, and then 69 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
5. 5.A town has 1220 people. Its population grows by 5%. How many people live there now?
6. 6.A cricket bat bought for ₹460 is sold at a loss of 5%. What is the selling price (in ₹)?
7. 7.8 years ago, Manav’s mother was twice as old as Manav. The mother is 18 years old now. How old is Manav now?
8. 8.Kabir cycles to his school at 21 km/h and comes back by the same road at 28 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
10. 10.Pooja’s father is twice as old as Pooja. The sum of their ages is 42 years. How old is the father?
11. 11.A town has 1800 people. Its population grows by 20%. How many people live there now?
12. 12.A shop sells an average of 65 kg of sugar a day for 3 days, and then 79 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
13. 13.Change 54 km/h into metres per second.
14. 14.Ananya’s father is twice as old as Ananya. The sum of their ages is 15 years. How old is Ananya?
15. 15.5 years ago, Tara’s mother was twice as old as Tara. The mother is 17 years old now. How old is Tara now?
16. 16.The price of a bicycle is ₹2980. It goes up by 50%. What is the new price (in ₹)?
17. 17.Aarav’s father is three times as old as Aarav. The sum of their ages is 36 years. How old is Aarav?
18. 18.By selling a watch for ₹1496, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
19. 19.A shop sells an average of 23 kg of sugar a day for 4 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 8 days (in kg)?
20. 20.A shopkeeper buys a pair of shoes for ₹1840 and sells it for ₹920. Find the loss percent.
21. 21.A water tank holds 4480 litres. 20% of the water is used. How many litres are left?
22. 22.Marks of 5 friends in a quiz: 81, 72, 71, 76, 75. What is their average mark?
23. 23.Ananya works twice as fast as Vivaan. Together they finish a job in 2 days. How many days would Vivaan take alone?
24. 24.How many minutes does a car take to go 114 km at 72 km/h?
25. 25.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
26. 26.Rahul can finish a job in 2 days and Tara in 8 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.Find the amount when ₹32000 is invested at 5% per year compound interest for 3 years (in ₹).
28. 28.Diya can finish a job in 19 days and Isha in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
29. 29.In 8 years, Arjun will be twice as old as Arjun was 6 years ago. How old is Arjun now?
30. 30.Marks of 5 friends in a quiz: 79, 50, 60, 68, 68. What is their average mark?
31. 31.A bicycle bought for ₹500 is sold at a profit of 5%. What is the selling price (in ₹)?
32. 32.A shop sells an average of 36 kg of sugar a day for 6 days, and then 28 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
33. 33.Aditya can finish a job in 4 days and Zoya in 7 days. What fraction of the job do they finish if they work together for 2 days? =
34. 34.Diya works three times as fast as Rahul. Together they finish a job in 3 days. How many days would Rahul take alone?
35. 35.The simple interest on ₹8900 for 4 years is ₹2492. What is the rate of interest (% per year)?
36. 36.Find the compound interest on ₹48000 at 5% per year for 2 years, added every year (in ₹).
37. 37.Rahul’s father is five times as old as Rahul. The sum of their ages is 48 years. How old is Rahul?
38. 38.Find the amount when ₹8000 is invested at 5% per year compound interest for 3 years (in ₹).
39. 39.By selling a pair of shoes for ₹1368, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
40. 40.A shop sells an average of 38 kg of sugar a day for 5 days, and then 46 kg a day for the next 3 days. What is the average sale per day for all 8 days (in kg)?

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