Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 881 · 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.Find the amount when ₹15000 is invested at 10% per year compound interest for 3 years (in ₹).
2. 2.A water tank holds 540 litres. 30% of the water is used. How many litres are left?
3. 3.The simple interest on ₹17300 for 5 years is ₹7785. What is the rate of interest (% per year)?
4. 4.The average weight of 7 children is 46 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
5. 5.The price of a school bag changes from ₹1300 to ₹1235. By what percent did it come down?
6. 6.In 24 years, Kabir will be twice as old as Kabir was 6 years ago. How old is Kabir now?
7. 7.Kabir cycles to his school at 10 km/h and comes back by the same road at 15 km/h. What is his average speed for the whole trip (in km/h)?
8. 8.The average weight of 10 children is 46 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
9. 9.Find the amount when ₹35648 is invested at 25% per year compound interest for 3 years (in ₹).
10. 10.The average of 5 numbers is 44. When one more number is added, the average becomes 47. What number was added?
11. 11.Karan can finish a job in 5 days and Ananya in 10 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
12. 12.Karan’s father is four times as old as Karan. The sum of their ages is 60 years. How old is the father?
13. 13.Meera’s father is five times as old as Meera. The sum of their ages is 90 years. How old is the father?
14. 14.Manav and Ananya together finish a job in 10 days. Manav alone takes 15 days. How many days would Ananya take alone?
15. 15.A price goes up by 30% and then goes up by 10% more. By what percent has it gone up in all? =
16. 16.A watch is marked at ₹2640. The shop gives a 20% discount. How much do you pay (in ₹)?
17. 17.Marks of 4 friends in a quiz: 34, 14, 37, 23. What is their average mark?
18. 18.By selling a bicycle for ₹575, a shopkeeper makes a profit of 25%. What did the bicycle cost the shopkeeper (in ₹)?
19. 19.A water tank holds 480 litres. 20% of the water is used. How many litres are left?
20. 20.Change 18 km/h into metres per second.
21. 21.After a 20% discount, a table fan costs ₹2208. What was its marked price (in ₹)?
22. 22.By selling a school bag for ₹266, a shopkeeper makes a loss of 30%. What did the school bag cost the shopkeeper (in ₹)?
23. 23.A study lamp is marked at ₹1180. The shop gives a 10% discount. How much do you pay (in ₹)?
24. 24.How many minutes does a car take to go 104 km at 48 km/h?
25. 25.Change 54 km/h into metres per second.
26. 26.The price of a bicycle is ₹4280. It goes up by 10%. What is the new price (in ₹)?
27. 27.A table fan marked at ₹4340 is sold for ₹2170. What is the discount percent?
28. 28.A shop sells an average of 61 kg of sugar a day for 4 days, and then 41 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
29. 29.Saanvi and Meera together finish a job in 12 days. Saanvi alone takes 24 days. How many days would Meera take alone?
30. 30.Karan’s father is three times as old as Karan. The sum of their ages is 32 years. How old is the father?
31. 31.A price comes down by 5% and then comes down by 30% more. By what percent has it come down in all? =
32. 32.Rahul can finish a job in 11 days and Meera in 22 days. Rahul works alone for 8 days and then stops. Meera finishes the rest. How many days does Meera take?
33. 33.A pair of shoes is marked at ₹2460. The shop gives a 10% discount. How much do you pay (in ₹)?
34. 34.The price of a school bag changes from ₹500 to ₹600. By what percent did it go up?
35. 35.The average weight of 7 children is 34 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
36. 36.By selling a bicycle for ₹390, a shopkeeper makes a loss of 25%. What did the bicycle cost the shopkeeper (in ₹)?
37. 37.A town has 160 people. Its population grows by 15%. How many people live there now?
38. 38.Pooja works twice as fast as Isha. Together they finish a job in 11 days. How many days would Isha take alone?
39. 39.A water tank holds 820 litres. 50% of the water is used. How many litres are left?
40. 40.Change 35 m/s into km/h.

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