Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 750 · 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.After a 5% discount, a study lamp costs ₹3268. What was its marked price (in ₹)?
2. 2.Change 30 m/s into km/h.
3. 3.A water tank holds 4060 litres. 5% of the water is used. How many litres are left?
4. 4.In how many years will ₹14100 earn ₹564 as simple interest at 2% per year?
5. 5.A shopkeeper buys a table fan for ₹620 and sells it for ₹589. Find the loss percent.
6. 6.A car runs for 2 hours at 44 km/h and then for 3 hours at 29 km/h. What is its average speed for the whole journey (in km/h)?
7. 7.Change 15 m/s into km/h.
8. 8.What is the difference between the compound interest and the simple interest on ₹42400 at 10% per year for 2 years (in ₹)?
9. 9.Rohan can finish a job in 5 days and Sneha in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
10. 10.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
11. 11.In 25 years, Sneha will be three times as old as Sneha was 3 years ago. How old is Sneha now?
12. 12.Find the simple interest on ₹8900 at 12% per year for 3 years (in ₹).
13. 13.The price of a bicycle is ₹1040. It goes up by 15%. What is the new price (in ₹)?
14. 14.A bus runs at 72 km/h. How far does it go in 45 minutes (in km)?
15. 15.The average weight of 6 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
16. 16.Nisha’s father is twice as old as Nisha. The sum of their ages is 30 years. How old is the father?
17. 17.The average weight of 6 children is 43 kg. One child, who weighs 53 kg, leaves the group. What is the new average weight (in kg)?
18. 18.A cricket bat bought for ₹240 is sold at a loss of 10%. What is the selling price (in ₹)?
19. 19.A price comes down by 10% and then comes down by 15% more. By what percent has it come down in all? =
20. 20.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
21. 21.The price of a school bag changes from ₹2740 to ₹1644. By what percent did it come down?
22. 22.By selling a study lamp for ₹175, a shopkeeper makes a profit of 25%. What did the study lamp cost the shopkeeper (in ₹)?
23. 23.Ishaan is 5 years older than Rahul. In 8 years, the sum of their ages will be 67. How old is Rahul now?
24. 24.By selling a pressure cooker for ₹120, a shopkeeper makes a loss of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
25. 25.Ananya and Aditya together finish a job in 3 days. Ananya alone takes 4 days. How many days would Aditya take alone?
26. 26.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
27. 27.Ishaan is 2 years older than Vivaan. In 4 years, the sum of their ages will be 42. How old is Vivaan now?
28. 28.In how many years will ₹12800 earn ₹896 as simple interest at 7% per year?
29. 29.Farhan can finish a job in 15 days and Aditya in 2 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
31. 31.In how many years will ₹3700 earn ₹1221 as simple interest at 11% per year?
32. 32.The average of 7 numbers is 25. When one more number is added, the average becomes 29. What number was added?
33. 33.A price goes up by 30% and then comes down by 5%. By what percent has it gone up in all? =
34. 34.A bus runs at 76 km/h. How far does it go in 15 minutes (in km)?
35. 35.After a 25% discount, a pair of shoes costs ₹1710. What was its marked price (in ₹)?
36. 36.By selling a study lamp for ₹1474, a shopkeeper makes a profit of 10%. What did the study lamp cost the shopkeeper (in ₹)?
37. 37.Find the compound interest on ₹20800 at 5% per year for 2 years, added every year (in ₹).
38. 38.A shopkeeper buys a cricket bat for ₹1060 and sells it for ₹1272. Find the profit percent.
39. 39.By selling a study lamp for ₹348, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?
40. 40.The price of a school bag changes from ₹4120 to ₹2884. By what percent did it come down?

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