Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 528 · 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 price goes up by 20% and then goes up by 10% more. By what percent has it gone up in all? =
2. 2.Rahul’s father is five times as old as Rahul. The sum of their ages is 48 years. How old is the father?
3. 3.By selling a pair of shoes for ₹1290, a shopkeeper makes a loss of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
4. 4.How many minutes does a car take to go 105 km at 50 km/h?
5. 5.A watch bought for ₹1380 is sold at a loss of 30%. What is the selling price (in ₹)?
6. 6.What is the difference between the compound interest and the simple interest on ₹4000 at 25% per year for 2 years (in ₹)?
7. 7.After a 50% discount, a pair of shoes costs ₹2400. What was its marked price (in ₹)?
8. 8.In how many years will ₹12900 earn ₹3870 as simple interest at 6% per year?
9. 9.A car runs for 3 hours at 41 km/h and then for 1 hour at 33 km/h. What is its average speed for the whole journey (in km/h)?
10. 10.The simple interest on ₹2600 for 3 years is ₹156. What is the rate of interest (% per year)?
11. 11.2 years ago, Meera’s mother was twice as old as Meera. The mother is 12 years old now. How old is Meera now?
12. 12.By selling a table fan for ₹992, a shopkeeper makes a loss of 20%. What did the table fan cost the shopkeeper (in ₹)?
13. 13.A cricket bat is marked at ₹4540. The shop gives a 50% discount. How much do you pay (in ₹)?
14. 14.A bus runs at 72 km/h. How far does it go in 10 minutes (in km)?
15. 15.The price of a school bag changes from ₹1180 to ₹1652. By what percent did it go up?
16. 16.A school bag is marked at ₹4000. The shop gives a 40% discount. How much do you pay (in ₹)?
17. 17.After a 50% discount, a school bag costs ₹930. What was its marked price (in ₹)?
18. 18.In how many years will ₹2000 earn ₹660 as simple interest at 11% per year?
19. 19.A watch bought for ₹900 is sold at a profit of 40%. What is the selling price (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹10000 at 12% per year for 2 years (in ₹)?
21. 21.A watch bought for ₹1580 is sold at a loss of 50%. What is the selling price (in ₹)?
22. 22.Kavya’s batting average after 6 innings is 50 runs. How many runs must Kavya score in the next innings to raise the average to 54?
23. 23.Rohan works three times as fast as Meera. Together they finish a job in 11 days. How many days would Meera take alone?
24. 24.The price of a school bag changes from ₹1300 to ₹1950. By what percent did it go up?
25. 25.What sum of money earns ₹894 simple interest in 3 years at 2% per year (in ₹)?
26. 26.The average of 4 numbers is 60. When one more number is added, the average becomes 61. What number was added?
27. 27.Sneha’s father is five times as old as Sneha. The sum of their ages is 30 years. How old is the father?
28. 28.Find the amount when ₹40000 is invested at 5% per year compound interest for 3 years (in ₹).
29. 29.10 years ago, Isha’s mother was three times as old as Isha. The mother is 28 years old now. How old is Isha now?
30. 30.A pressure cooker is marked at ₹405. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
31. 31.By selling a watch for ₹195, a shopkeeper makes a loss of 25%. What did the watch cost the shopkeeper (in ₹)?
32. 32.4 years ago, Diya’s mother was twice as old as Diya. The mother is 22 years old now. How old is Diya now?
33. 33.8 years ago, Tara’s mother was four times as old as Tara. The mother is 32 years old now. How old is Tara now?
34. 34.A study lamp bought for ₹300 is sold at a loss of 15%. What is the selling price (in ₹)?
35. 35.Marks of 4 friends in a quiz: 62, 82, 65, 63. What is their average mark?
36. 36.A bus runs at 39 km/h. How far does it go in 20 minutes (in km)?
37. 37.A shop sells 460 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
38. 38.By selling a watch for ₹1425, a shopkeeper makes a loss of 5%. What did the watch cost the shopkeeper (in ₹)?
39. 39.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).
40. 40.The average weight of 5 children is 30 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?

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