Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 13 · 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.Aditya can finish a job in 3 days and Rohan in 18 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
2. 2.A town has 2940 people. Its population grows by 40%. How many people live there now?
3. 3.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
4. 4.Karan’s father is three times as old as Karan. The sum of their ages is 20 years. How old is Karan?
5. 5.Find the amount when ₹25200 is invested at 5% per year compound interest for 2 years (in ₹).
6. 6.A cricket bat bought for ₹120 is sold at a loss of 50%. What is the selling price (in ₹)?
7. 7.By selling a school bag for ₹1344, a shopkeeper makes a profit of 40%. What did the school bag cost the shopkeeper (in ₹)?
8. 8.In how many years will ₹10000 earn ₹4000 as simple interest at 10% per year?
9. 9.A watch is marked at ₹380. The shop gives a 5% discount. How much do you pay (in ₹)?
10. 10.A shop sells 3160 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
11. 11.Kabir cycles to his school at 12 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
12. 12.Change 25 m/s into km/h.
13. 13.Farhan’s father is three times as old as Farhan. The sum of their ages is 20 years. How old is the father?
14. 14.Find the amount when ₹11875 is invested at 4% per year compound interest for 2 years (in ₹).
15. 15.A shop sells an average of 51 kg of sugar a day for 4 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
16. 16.A school bag marked at ₹780 is sold for ₹585. What is the discount percent?
17. 17.By selling a school bag for ₹1659, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
18. 18.A price goes up by 15% and then goes up by 40% more. By what percent has it gone up in all? =
19. 19.Nisha works three times as fast as Manav. Together they finish a job in 4 days. How many days would Manav take alone?
20. 20.Farhan’s father is four times as old as Farhan. The sum of their ages is 45 years. How old is the father?
21. 21.Find the compound interest on ₹15000 at 4% per year for 2 years, added every year (in ₹).
22. 22.After a 25% discount, a study lamp costs ₹2325. What was its marked price (in ₹)?
23. 23.Ishaan works three times as fast as Aarav. Together they finish a job in 4 days. How many days would Aarav take alone?
24. 24.Find the compound interest on ₹42350 at 20% per year for 2 years, added every year (in ₹).
25. 25.Saanvi can finish a job in 15 days and Isha in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.Find the amount when ₹3600 is invested at 15% per year compound interest for 2 years (in ₹).
27. 27.A water tank holds 860 litres. 50% of the water is used. How many litres are left?
28. 28.A table fan is marked at ₹220. The shop gives a 20% discount. How much do you pay (in ₹)?
29. 29.Vivaan’s father is four times as old as Vivaan. The sum of their ages is 35 years. How old is the father?
30. 30.A watch marked at ₹2760 is sold for ₹2346. What is the discount percent?
31. 31.Change 18 km/h into metres per second.
32. 32.After a 40% discount, a pair of shoes costs ₹2340. What was its marked price (in ₹)?
33. 33.A shop sells an average of 44 kg of sugar a day for 6 days, and then 50 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
34. 34.Find the amount when ₹13750 is invested at 12% per year compound interest for 2 years (in ₹).
35. 35.Find the simple interest on ₹6400 at 8% per year for 4 years (in ₹).
36. 36.What is the difference between the compound interest and the simple interest on ₹36800 at 25% per year for 2 years (in ₹)?
37. 37.What sum of money earns ₹180 simple interest in 1 year at 15% per year (in ₹)?
38. 38.A cricket bat is marked at ₹3620. The shop gives a 30% discount. How much do you pay (in ₹)?
39. 39.A pressure cooker is marked at ₹960. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
40. 40.By selling a study lamp for ₹1407, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?

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