Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 812 · 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 shop sells 4160 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
2. 2.Marks of 6 friends in a quiz: 18, 19, 31, 22, 22, 86. What is their average mark?
3. 3.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
4. 4.Marks of 4 friends in a quiz: 53, 36, 56, 19. What is their average mark?
5. 5.A water tank holds 2580 litres. 5% of the water is used. How many litres are left?
6. 6.In how many years will ₹17700 earn ₹7080 as simple interest at 10% per year?
7. 7.Meera can finish a job in 21 days and Aarav in 6 days. Meera works alone for 14 days and then stops. Aarav finishes the rest. How many days does Aarav take?
8. 8.Rahul and Sneha together finish a job in 14 days. Rahul alone takes 18 days. How many days would Sneha take alone?
9. 9.A shopkeeper buys a bicycle for ₹1160 and sells it for ₹1508. Find the profit percent.
10. 10.A shop sells an average of 26 kg of sugar a day for 3 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
11. 11.Change 18 km/h into metres per second.
12. 12.A shop sells 1220 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
13. 13.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
14. 14.A shop sells an average of 48 kg of sugar a day for 3 days, and then 78 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
15. 15.Meera can finish a job in 10 days and Aarav in 20 days. Meera works alone for 7 days and then stops. Aarav finishes the rest. How many days does Aarav take?
16. 16.Isha can finish a job in 15 days and Priya in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
17. 17.In how many years will ₹2700 earn ₹648 as simple interest at 8% per year?
18. 18.Meera’s father is three times as old as Meera. The sum of their ages is 60 years. How old is Meera?
19. 19.Zoya’s batting average after 12 innings is 30 runs. How many runs must Zoya score in the next innings to raise the average to 32?
20. 20.A shop sells 3880 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
21. 21.By selling a study lamp for ₹336, a shopkeeper makes a profit of 40%. What did the study lamp cost the shopkeeper (in ₹)?
22. 22.Saanvi can finish a job in 10 days and Vivaan in 20 days. Saanvi works alone for 5 days and then stops. Vivaan finishes the rest. How many days does Vivaan take?
23. 23.Find the compound interest on ₹8800 at 5% per year for 2 years, added every year (in ₹).
24. 24.By selling a cricket bat for ₹289, a shopkeeper makes a loss of 15%. What did the cricket bat cost the shopkeeper (in ₹)?
25. 25.In how many years will ₹4100 earn ₹2132 as simple interest at 13% per year?
26. 26.Find the simple interest on ₹5500 at 12% per year for 3 years (in ₹).
27. 27.The average of 4 numbers is 16. When one more number is added, the average becomes 17. What number was added?
28. 28.Manav works three times as fast as Vivaan. Together they finish a job in 7 days. How many days would Vivaan take alone?
29. 29.Find the simple interest on ₹18900 at 13% per year for 3 years (in ₹).
30. 30.Kabir can finish a job in 6 days and Farhan in 20 days. What fraction of the job do they finish if they work together for 2 days? =
31. 31.A cricket bat is marked at ₹4620. The shop gives a 40% discount. How much do you pay (in ₹)?
32. 32.A bicycle is marked at ₹4320. The shop gives a 15% discount. How much do you pay (in ₹)?
33. 33.A school bag is marked at ₹450. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
34. 34.The average weight of 10 children is 26 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
35. 35.A watch is marked at ₹430. The shop takes 20% off, and then a further 25% off the new price. How much do you pay (in ₹)?
36. 36.A shopkeeper buys a pair of shoes for ₹1240 and sells it for ₹992. Find the loss percent.
37. 37.The average weight of 9 children is 46 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
38. 38.A shopkeeper buys a pressure cooker for ₹260 and sells it for ₹273. Find the profit percent.
39. 39.A school bag is marked at ₹720. The shop gives a 15% discount. How much do you pay (in ₹)?
40. 40.After a 5% discount, a watch costs ₹532. What was its marked price (in ₹)?

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