Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 9 · 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.Arjun can finish a job in 8 days and Zoya in 14 days. What fraction of the job do they finish if they work together for 2 days? =
2. 2.By selling a study lamp for ₹780, a shopkeeper makes a profit of 50%. What did the study lamp cost the shopkeeper (in ₹)?
3. 3.By selling a pair of shoes for ₹1050, a shopkeeper makes a loss of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
4. 4.Kavya can finish a job in 18 days and Manav in 11 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
5. 5.Kabir cycles to his school at 12 km/h and comes back by the same road at 20 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.Change 15 m/s into km/h.
7. 7.The average weight of 9 children is 42 kg. One child, who weighs 66 kg, leaves the group. What is the new average weight (in kg)?
8. 8.A shopkeeper buys a cricket bat for ₹600 and sells it for ₹420. Find the loss percent.
9. 9.6 years ago, Vivaan’s mother was twice as old as Vivaan. The mother is 20 years old now. How old is Vivaan now?
10. 10.Find the amount when ₹9600 is invested at 5% per year compound interest for 2 years (in ₹).
11. 11.The price of a school bag changes from ₹3300 to ₹3465. By what percent did it go up?
12. 12.Find the simple interest on ₹4400 at 14% per year for 1 year (in ₹).
13. 13.A study lamp is marked at ₹3620. The shop gives a 15% discount. How much do you pay (in ₹)?
14. 14.Meera can finish a job in 6 days and Farhan in 18 days. What fraction of the job do they finish if they work together for 3 days? =
15. 15.By selling a bicycle for ₹1978, a shopkeeper makes a profit of 15%. What did the bicycle cost the shopkeeper (in ₹)?
16. 16.By selling a bicycle for ₹2040, a shopkeeper makes a profit of 20%. What did the bicycle cost the shopkeeper (in ₹)?
17. 17.By selling a study lamp for ₹1342, a shopkeeper makes a profit of 10%. What did the study lamp cost the shopkeeper (in ₹)?
18. 18.How many minutes does a car take to go 24 km at 40 km/h?
19. 19.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
20. 20.Change 10 m/s into km/h.
21. 21.What is the difference between the compound interest and the simple interest on ₹21400 at 20% per year for 2 years (in ₹)?
22. 22.How many minutes does a car take to go 86 km at 30 km/h?
23. 23.A pair of shoes marked at ₹1960 is sold for ₹1372. What is the discount percent?
24. 24.By selling a cricket bat for ₹1674, a shopkeeper makes a loss of 10%. What did the cricket bat cost the shopkeeper (in ₹)?
25. 25.Find the amount when ₹37500 is invested at 4% per year compound interest for 2 years (in ₹).
26. 26.Find the amount when ₹25600 is invested at 15% per year compound interest for 2 years (in ₹).
27. 27.The average weight of 8 children is 40 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
28. 28.Change 36 km/h into metres per second.
29. 29.Find the compound interest on ₹1600 at 15% per year for 2 years, added every year (in ₹).
30. 30.Arjun can finish a job in 8 days and Kabir in 15 days. What fraction of the job do they finish if they work together for 2 days? =
31. 31.A price goes up by 15% and then goes up by 10% more. By what percent has it gone up in all? =
32. 32.What sum of money earns ₹2100 simple interest in 3 years at 5% per year (in ₹)?
33. 33.A study lamp marked at ₹3660 is sold for ₹3477. What is the discount percent?
34. 34.Manav can finish a job in 5 days and Ishaan in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
35. 35.Find the amount when ₹25750 is invested at 20% per year compound interest for 3 years (in ₹).
36. 36.A bus runs at 30 km/h. How far does it go in 40 minutes (in km)?
37. 37.Pooja’s father is five times as old as Pooja. The sum of their ages is 84 years. How old is the father?
38. 38.How many minutes does a car take to go 114 km at 36 km/h?
39. 39.Find the simple interest on ₹6200 at 10% per year for 5 years (in ₹).
40. 40.A bus runs at 76 km/h. How far does it go in 15 minutes (in km)?

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