Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 716 · 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 shopkeeper buys a study lamp for ₹1140 and sells it for ₹1368. Find the profit percent.
2. 2.Find the amount when ₹1600 is invested at 20% per year compound interest for 2 years (in ₹).
3. 3.A school bag is marked at ₹415. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
4. 4.Change 15 m/s into km/h.
5. 5.In 4 years, Arjun will be twice as old as Arjun was 5 years ago. How old is Arjun now?
6. 6.A shop sells an average of 35 kg of sugar a day for 5 days, and then 26 kg a day for the next 4 days. What is the average sale per day for all 9 days (in kg)?
7. 7.A shop sells an average of 25 kg of sugar a day for 2 days, and then 31 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
8. 8.Rahul’s father is twice as old as Rahul. The sum of their ages is 36 years. How old is Rahul?
9. 9.Find the amount when ₹49350 is invested at 20% per year compound interest for 2 years (in ₹).
10. 10.4 years ago, Kabir’s mother was four times as old as Kabir. The mother is 32 years old now. How old is Kabir now?
11. 11.A shop sells an average of 71 kg of sugar a day for 2 days, and then 50 kg a day for the next 5 days. What is the average sale per day for all 7 days (in kg)?
12. 12.Find the compound interest on ₹24625 at 20% per year for 3 years, added every year (in ₹).
13. 13.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
14. 14.Find the compound interest on ₹30400 at 15% per year for 2 years, added every year (in ₹).
15. 15.After a 30% discount, a pair of shoes costs ₹3332. What was its marked price (in ₹)?
16. 16.A price goes up by 15% and then goes up by 40% more. By what percent has it gone up in all? =
17. 17.Change 10 m/s into km/h.
18. 18.By selling a pair of shoes for ₹120, a shopkeeper makes a profit of 20%. What did the pair of shoes cost the shopkeeper (in ₹)?
19. 19.The average weight of 5 children is 37 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
20. 20.A shopkeeper buys a school bag for ₹520 and sells it for ₹260. Find the loss percent.
21. 21.After a 40% discount, a table fan costs ₹2400. What was its marked price (in ₹)?
22. 22.Diya puts ₹12800 in a bank at 3% simple interest per year. How much will she have after 4 years (in ₹)?
23. 23.Meera can finish a job in 6 days and Rahul in 21 days. Meera works alone for 2 days and then stops. Rahul finishes the rest. How many days does Rahul take?
24. 24.What is the difference between the compound interest and the simple interest on ₹19200 at 5% per year for 2 years (in ₹)?
25. 25.Kabir’s father is five times as old as Kabir. The sum of their ages is 36 years. How old is Kabir?
26. 26.Sneha can finish a job in 13 days and Saanvi in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
27. 27.A town has 4660 people. Its population grows by 20%. How many people live there now?
28. 28.Priya works twice as fast as Isha. Together they finish a job in 10 days. How many days would Isha take alone?
29. 29.A car runs for 4 hours at 24 km/h and then for 2 hours at 36 km/h. What is its average speed for the whole journey (in km/h)?
30. 30.What sum of money earns ₹1760 simple interest in 4 years at 8% per year (in ₹)?
31. 31.The price of a school bag changes from ₹4800 to ₹4080. By what percent did it come down?
32. 32.A water tank holds 1660 litres. 15% of the water is used. How many litres are left?
33. 33.Meera and Arjun together finish a job in 10 days. Meera alone takes 12 days. How many days would Arjun take alone?
34. 34.What is the difference between the compound interest and the simple interest on ₹17300 at 20% per year for 2 years (in ₹)?
35. 35.A price comes down by 30% and then comes down by 5% more. By what percent has it come down in all? =
36. 36.A pressure cooker marked at ₹1780 is sold for ₹1513. What is the discount percent?
37. 37.8 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 22 years old now. How old is Ishaan now?
38. 38.A car runs for 2 hours at 61 km/h and then for 1 hour at 43 km/h. What is its average speed for the whole journey (in km/h)?
39. 39.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
40. 40.The price of a school bag changes from ₹2720 to ₹2856. By what percent did it go up?

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