Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 947 · 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 car runs for 3 hours at 48 km/h and then for 3 hours at 78 km/h. What is its average speed for the whole journey (in km/h)?
2. 2.Marks of 4 friends in a quiz: 71, 77, 57, 83. What is their average mark?
3. 3.Change 18 km/h into metres per second.
4. 4.Find the amount when ₹48000 is invested at 15% per year compound interest for 3 years (in ₹).
5. 5.How many minutes does a car take to go 38 km at 30 km/h?
6. 6.By selling a cricket bat for ₹1824, a shopkeeper makes a loss of 5%. What did the cricket bat cost the shopkeeper (in ₹)?
7. 7.Sneha works three times as fast as Priya. Together they finish a job in 3 days. How many days would Priya take alone?
8. 8.Find the simple interest on ₹13900 at 7% per year for 2 years (in ₹).
9. 9.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
10. 10.Isha’s father is three times as old as Isha. The sum of their ages is 44 years. How old is Isha?
11. 11.A cricket bat is marked at ₹4060. The shop gives a 15% discount. How much do you pay (in ₹)?
12. 12.Find the compound interest on ₹8000 at 15% per year for 3 years, added every year (in ₹).
13. 13.In 14 years, Rohan will be three times as old as Rohan was 4 years ago. How old is Rohan now?
14. 14.The average weight of 11 children is 33 kg. One child, who weighs 43 kg, leaves the group. What is the new average weight (in kg)?
15. 15.A bicycle bought for ₹1020 is sold at a loss of 50%. What is the selling price (in ₹)?
16. 16.Change 10 m/s into km/h.
17. 17.A table fan is marked at ₹1280. The shop gives a 5% discount. How much do you pay (in ₹)?
18. 18.Kavya’s father is twice as old as Kavya. The sum of their ages is 24 years. How old is Kavya?
19. 19.Find the compound interest on ₹32000 at 15% per year for 3 years, added every year (in ₹).
20. 20.What sum of money earns ₹3807 simple interest in 3 years at 9% per year (in ₹)?
21. 21.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
22. 22.A shopkeeper buys a cricket bat for ₹420 and sells it for ₹336. Find the loss percent.
23. 23.By selling a watch for ₹138, a shopkeeper makes a profit of 15%. What did the watch cost the shopkeeper (in ₹)?
24. 24.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
25. 25.By selling a bicycle for ₹1176, a shopkeeper makes a loss of 30%. What did the bicycle cost the shopkeeper (in ₹)?
26. 26.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
27. 27.A shopkeeper buys a study lamp for ₹1980 and sells it for ₹2277. Find the profit percent.
28. 28.Change 5 m/s into km/h.
29. 29.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
30. 30.After a 20% discount, a watch costs ₹192. What was its marked price (in ₹)?
31. 31.After a 50% discount, a bicycle costs ₹1960. What was its marked price (in ₹)?
32. 32.The price of a school bag changes from ₹2240 to ₹1792. By what percent did it come down?
33. 33.Change 30 m/s into km/h.
34. 34.Find the simple interest on ₹19500 at 12% per year for 2 years (in ₹).
35. 35.A price goes up by 10% and then goes up by 10% more. By what percent has it gone up in all? =
36. 36.Meera’s father is five times as old as Meera. The sum of their ages is 30 years. How old is the father?
37. 37.The average of 8 numbers is 56. When one more number is added, the average becomes 60. What number was added?
38. 38.A table fan is marked at ₹1980. The shop gives a 50% discount. How much do you pay (in ₹)?
39. 39.How many minutes does a car take to go 40 km at 50 km/h?
40. 40.A watch bought for ₹260 is sold at a loss of 5%. What is the selling price (in ₹)?

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