Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 959 · 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.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
2. 2.A water tank holds 380 litres. 5% of the water is used. How many litres are left?
3. 3.The simple interest on ₹19200 for 5 years is ₹12480. What is the rate of interest (% per year)?
4. 4.What sum of money earns ₹352 simple interest in 2 years at 4% per year (in ₹)?
5. 5.Marks of 6 friends in a quiz: 89, 93, 91, 95, 94, 60. What is their average mark?
6. 6.In 20 years, Zoya will be three times as old as Zoya was 4 years ago. How old is Zoya now?
7. 7.A shopkeeper buys a pressure cooker for ₹360 and sells it for ₹324. Find the loss percent.
8. 8.A table fan is marked at ₹1700. The shop gives a 5% discount. How much do you pay (in ₹)?
9. 9.The price of a school bag changes from ₹4100 to ₹4715. By what percent did it go up?
10. 10.The price of a bicycle is ₹1600. It goes up by 50%. What is the new price (in ₹)?
11. 11.In how many years will ₹11500 earn ₹8625 as simple interest at 15% per year?
12. 12.A shopkeeper buys a bicycle for ₹1720 and sells it for ₹1978. Find the profit percent.
13. 13.Find the compound interest on ₹23125 at 20% per year for 3 years, added every year (in ₹).
14. 14.A watch bought for ₹1780 is sold at a profit of 50%. What is the selling price (in ₹)?
15. 15.Change 108 km/h into metres per second.
16. 16.The simple interest on ₹2700 for 1 year is ₹243. What is the rate of interest (% per year)?
17. 17.The average weight of 10 children is 45 kg. One child, who weighs 72 kg, leaves the group. What is the new average weight (in kg)?
18. 18.8 years ago, Sneha’s mother was four times as old as Sneha. The mother is 24 years old now. How old is Sneha now?
19. 19.What is the difference between the compound interest and the simple interest on ₹39500 at 10% per year for 2 years (in ₹)?
20. 20.What sum of money earns ₹154 simple interest in 2 years at 11% per year (in ₹)?
21. 21.The simple interest on ₹13700 for 1 year is ₹1781. What is the rate of interest (% per year)?
22. 22.A shop sells 1360 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
23. 23.A bus runs at 88 km/h. How far does it go in 90 minutes (in km)?
24. 24.By selling a cricket bat for ₹476, a shopkeeper makes a loss of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
25. 25.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
26. 26.A price comes down by 5% and then comes down by 30% more. By what percent has it come down in all? =
27. 27.In how many years will ₹13100 earn ₹1965 as simple interest at 3% per year?
28. 28.Diya puts ₹15200 in a bank at 9% simple interest per year. How much will she have after 3 years (in ₹)?
29. 29.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
30. 30.Aarav’s father is three times as old as Aarav. The sum of their ages is 44 years. How old is Aarav?
31. 31.Kavya can finish a job in 7 days and Vivaan in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
32. 32.A town has 3180 people. Its population grows by 20%. How many people live there now?
33. 33.Change 90 km/h into metres per second.
34. 34.By selling a pair of shoes for ₹1127, a shopkeeper makes a profit of 15%. What did the pair of shoes cost the shopkeeper (in ₹)?
35. 35.The simple interest on ₹11500 for 4 years is ₹2300. What is the rate of interest (% per year)?
36. 36.By selling a pressure cooker for ₹285, a shopkeeper makes a loss of 5%. What did the pressure cooker cost the shopkeeper (in ₹)?
37. 37.Find the amount when ₹23400 is invested at 10% per year compound interest for 2 years (in ₹).
38. 38.A watch bought for ₹1160 is sold at a profit of 50%. What is the selling price (in ₹)?
39. 39.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
40. 40.In how many years will ₹2400 earn ₹1560 as simple interest at 13% per year?

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