Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 808 · 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.Manav works three times as fast as Rahul. Together they finish a job in 12 days. How many days would Rahul take alone?
2. 2.A study lamp bought for ₹1640 is sold at a loss of 10%. What is the selling price (in ₹)?
3. 3.A water tank holds 660 litres. 15% of the water is used. How many litres are left?
4. 4.Aarav and Isha together finish a job in 12 days. Aarav alone takes 21 days. How many days would Isha take alone?
5. 5.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 15 years. How old is the father?
6. 6.Find the compound interest on ₹15625 at 12% per year for 3 years, added every year (in ₹).
7. 7.A shopkeeper buys a cricket bat for ₹1440 and sells it for ₹1296. Find the loss percent.
8. 8.Diya’s father is twice as old as Diya. The sum of their ages is 27 years. How old is Diya?
9. 9.Priya and Pooja together finish a job in 12 days. Priya alone takes 24 days. How many days would Pooja take alone?
10. 10.Farhan is 8 years older than Priya. In 10 years, the sum of their ages will be 46. How old is Priya now?
11. 11.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
12. 12.A study lamp bought for ₹1180 is sold at a loss of 10%. What is the selling price (in ₹)?
13. 13.Arjun can finish a job in 10 days and Rahul in 30 days. Arjun works alone for 2 days and then stops. Rahul finishes the rest. How many days does Rahul take?
14. 14.Farhan’s batting average after 9 innings is 32 runs. How many runs must Farhan score in the next innings to raise the average to 34?
15. 15.After a 20% discount, a pair of shoes costs ₹1968. What was its marked price (in ₹)?
16. 16.A bus runs at 48 km/h. How far does it go in 30 minutes (in km)?
17. 17.Find the compound interest on ₹23376 at 25% per year for 2 years, added every year (in ₹).
18. 18.A cricket bat marked at ₹4560 is sold for ₹3192. What is the discount percent?
19. 19.Saanvi can finish a job in 17 days and Rahul in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
20. 20.Zoya’s father is twice as old as Zoya. The sum of their ages is 36 years. How old is the father?
21. 21.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
22. 22.Diya puts ₹10800 in a bank at 10% simple interest per year. How much will she have after 1 year (in ₹)?
23. 23.Pooja’s batting average after 5 innings is 36 runs. How many runs must Pooja score in the next innings to raise the average to 40?
24. 24.Diya works twice as fast as Farhan. Together they finish a job in 9 days. How many days would Farhan take alone?
25. 25.A shopkeeper buys a bicycle for ₹1460 and sells it for ₹1387. Find the loss percent.
26. 26.Diya’s batting average after 5 innings is 31 runs. How many runs must Diya score in the next innings to raise the average to 33?
27. 27.A shop sells 3980 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
28. 28.A pressure cooker marked at ₹3040 is sold for ₹2280. What is the discount percent?
29. 29.What is the difference between the compound interest and the simple interest on ₹41200 at 15% per year for 2 years (in ₹)?
30. 30.In how many years will ₹10500 earn ₹630 as simple interest at 3% per year?
31. 31.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
32. 32.A price comes down by 15% and then comes down by 10% more. By what percent has it come down in all? =
33. 33.Marks of 6 friends in a quiz: 45, 35, 34, 49, 41, 6. What is their average mark?
34. 34.Marks of 4 friends in a quiz: 72, 75, 50, 59. What is their average mark?
35. 35.After a 5% discount, a bicycle costs ₹1387. What was its marked price (in ₹)?
36. 36.What is the difference between the compound interest and the simple interest on ₹10000 at 8% per year for 2 years (in ₹)?
37. 37.Find the amount when ₹33750 is invested at 12% per year compound interest for 2 years (in ₹).
38. 38.The average weight of 5 children is 42 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
39. 39.A shopkeeper buys a study lamp for ₹500 and sells it for ₹600. Find the profit percent.
40. 40.Arjun is 2 years older than Isha. In 6 years, the sum of their ages will be 44. How old is Isha now?

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