Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 118 · 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.The price of a school bag changes from ₹2860 to ₹3432. By what percent did it go up?
2. 2.What is the difference between the compound interest and the simple interest on ₹42500 at 8% per year for 2 years (in ₹)?
3. 3.A car runs for 4 hours at 51 km/h and then for 4 hours at 53 km/h. What is its average speed for the whole journey (in km/h)?
4. 4.By selling a school bag for ₹1674, a shopkeeper makes a loss of 10%. What did the school bag cost the shopkeeper (in ₹)?
5. 5.Dev can finish a job in 7 days and Karan in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
6. 6.The average of 4 numbers is 31. When one more number is added, the average becomes 32. What number was added?
7. 7.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
8. 8.How many minutes does a car take to go 72 km at 32 km/h?
9. 9.A table fan is marked at ₹2760. The shop gives a 50% discount. How much do you pay (in ₹)?
10. 10.How many minutes does a car take to go 80 km at 48 km/h?
11. 11.Find the simple interest on ₹16600 at 7% per year for 4 years (in ₹).
12. 12.Karan is 4 years older than Ishaan. In 2 years, the sum of their ages will be 38. How old is Ishaan now?
13. 13.The average of 5 numbers is 26. When one more number is added, the average becomes 29. What number was added?
14. 14.A town has 4260 people. Its population grows by 40%. How many people live there now?
15. 15.A car runs for 3 hours at 25 km/h and then for 4 hours at 39 km/h. What is its average speed for the whole journey (in km/h)?
16. 16.After a 50% discount, a cricket bat costs ₹1270. What was its marked price (in ₹)?
17. 17.A watch is marked at ₹975. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
18. 18.Arjun can finish a job in 4 days and Ananya in 24 days. Arjun works alone for 3 days and then stops. Ananya finishes the rest. How many days does Ananya take?
19. 19.Kavya and Aarav together finish a job in 5 days. Kavya alone takes 6 days. How many days would Aarav take alone?
20. 20.Change 108 km/h into metres per second.
21. 21.Meera’s father is twice as old as Meera. The sum of their ages is 21 years. How old is Meera?
22. 22.Kavya and Karan together finish a job in 2 days. Kavya alone takes 4 days. How many days would Karan take alone?
23. 23.A car runs for 4 hours at 68 km/h and then for 2 hours at 29 km/h. What is its average speed for the whole journey (in km/h)?
24. 24.6 years ago, Manav’s mother was twice as old as Manav. The mother is 14 years old now. How old is Manav now?
25. 25.Rohan’s father is four times as old as Rohan. The sum of their ages is 55 years. How old is Rohan?
26. 26.3 years ago, Saanvi’s mother was four times as old as Saanvi. The mother is 47 years old now. How old is Saanvi now?
27. 27.A price goes up by 40% and then comes down by 5%. By what percent has it gone up in all? =
28. 28.The average weight of 8 children is 37 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
29. 29.Find the amount when ₹42112 is invested at 25% per year compound interest for 2 years (in ₹).
30. 30.The average of 4 numbers is 57. When one more number is added, the average becomes 59. What number was added?
31. 31.What is the difference between the compound interest and the simple interest on ₹31600 at 10% per year for 2 years (in ₹)?
32. 32.A shop sells an average of 37 kg of sugar a day for 4 days, and then 70 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
33. 33.By selling a bicycle for ₹840, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
34. 34.Karan works twice as fast as Meera. Together they finish a job in 9 days. How many days would Meera take alone?
35. 35.Change 72 km/h into metres per second.
36. 36.By selling a watch for ₹1400, a shopkeeper makes a profit of 25%. What did the watch cost the shopkeeper (in ₹)?
37. 37.In 3 years, Karan will be twice as old as Karan was 6 years ago. How old is Karan now?
38. 38.Ananya works twice as fast as Saanvi. Together they finish a job in 5 days. How many days would Saanvi take alone?
39. 39.Priya works twice as fast as Farhan. Together they finish a job in 7 days. How many days would Farhan take alone?
40. 40.In 5 years, Kabir will be twice as old as Kabir was 2 years ago. How old is Kabir now?

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