Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 96 · 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.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
2. 2.Find the amount when ₹22500 is invested at 8% per year compound interest for 2 years (in ₹).
3. 3.The price of a bicycle is ₹720. It goes up by 20%. What is the new price (in ₹)?
4. 4.A study lamp bought for ₹1960 is sold at a loss of 5%. What is the selling price (in ₹)?
5. 5.How many minutes does a car take to go 40 km at 48 km/h?
6. 6.The price of a school bag changes from ₹2480 to ₹1240. By what percent did it come down?
7. 7.A town has 3960 people. Its population grows by 20%. How many people live there now?
8. 8.A bicycle is marked at ₹1980. The shop gives a 20% discount. How much do you pay (in ₹)?
9. 9.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
10. 10.Rohan works three times as fast as Aarav. Together they finish a job in 8 days. How many days would Aarav take alone?
11. 11.After a 5% discount, a table fan costs ₹4275. What was its marked price (in ₹)?
12. 12.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
13. 13.Karan can finish a job in 15 days and Arjun in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
14. 14.The price of a bicycle is ₹1620. It goes up by 30%. What is the new price (in ₹)?
15. 15.A shopkeeper buys a pair of shoes for ₹1460 and sells it for ₹1022. Find the loss percent.
16. 16.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
17. 17.By selling a cricket bat for ₹200, a shopkeeper makes a profit of 25%. What did the cricket bat cost the shopkeeper (in ₹)?
18. 18.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
19. 19.7 years ago, Saanvi’s mother was twice as old as Saanvi. The mother is 25 years old now. How old is Saanvi now?
20. 20.A bus runs at 21 km/h. How far does it go in 20 minutes (in km)?
21. 21.A price goes up by 50% and then comes down by 30%. By what percent has it gone up in all? =
22. 22.The average weight of 8 children is 27 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
23. 23.Find the compound interest on ₹37500 at 12% per year for 2 years, added every year (in ₹).
24. 24.A pair of shoes marked at ₹4500 is sold for ₹3150. What is the discount percent?
25. 25.Rahul’s father is twice as old as Rahul. The sum of their ages is 15 years. How old is Rahul?
26. 26.Ananya’s father is twice as old as Ananya. The sum of their ages is 27 years. How old is the father?
27. 27.A bicycle is marked at ₹480. The shop gives a 40% discount. How much do you pay (in ₹)?
28. 28.By selling a school bag for ₹1176, a shopkeeper makes a profit of 20%. What did the school bag cost the shopkeeper (in ₹)?
29. 29.Arjun and Manav together finish a job in 21 days. Arjun alone takes 30 days. How many days would Manav take alone?
30. 30.Zoya and Manav together finish a job in 8 days. Zoya alone takes 10 days. How many days would Manav take alone?
31. 31.2 years ago, Ishaan’s mother was four times as old as Ishaan. The mother is 30 years old now. How old is Ishaan now?
32. 32.In 27 years, Tara will be three times as old as Tara was 5 years ago. How old is Tara now?
33. 33.A price goes up by 40% and then goes up by 50% more. By what percent has it gone up in all? =
34. 34.By selling a watch for ₹1113, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹27500 at 12% per year for 2 years (in ₹)?
36. 36.Ishaan works twice as fast as Aditya. Together they finish a job in 10 days. How many days would Aditya take alone?
37. 37.Rahul works three times as fast as Rohan. Together they finish a job in 10 days. How many days would Rohan take alone?
38. 38.A shopkeeper buys a watch for ₹480 and sells it for ₹504. Find the profit percent.
39. 39.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
40. 40.Change 72 km/h into metres per second.

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