Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 988 · 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.Diya and Isha together finish a job in 4 days. Diya alone takes 8 days. How many days would Isha take alone?
2. 2.Aarav is 2 years older than Dev. In 10 years, the sum of their ages will be 50. How old is Dev now?
3. 3.The average of 8 numbers is 49. When one more number is added, the average becomes 55. What number was added?
4. 4.A shopkeeper buys a school bag for ₹660 and sells it for ₹825. Find the profit percent.
5. 5.Aditya can finish a job in 8 days and Kabir in 24 days. Aditya works alone for 6 days and then stops. Kabir finishes the rest. How many days does Kabir take?
6. 6.Marks of 5 friends in a quiz: 53, 30, 24, 24, 59. What is their average mark?
7. 7.How many minutes does a car take to go 135 km at 36 km/h?
8. 8.Find the amount when ₹33750 is invested at 8% per year compound interest for 2 years (in ₹).
9. 9.A price comes down by 15% and then comes down by 40% more. By what percent has it come down in all? =
10. 10.Nisha can finish a job in 16 days and Tara in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.Rohan is 9 years older than Ananya. In 10 years, the sum of their ages will be 47. How old is Ananya now?
12. 12.By selling a bicycle for ₹312, a shopkeeper makes a profit of 30%. What did the bicycle cost the shopkeeper (in ₹)?
13. 13.A bicycle is marked at ₹4000. The shop gives a 5% discount. How much do you pay (in ₹)?
14. 14.Marks of 4 friends in a quiz: 41, 38, 44, 61. What is their average mark?
15. 15.Kavya’s father is five times as old as Kavya. The sum of their ages is 90 years. How old is Kavya?
16. 16.What is the difference between the compound interest and the simple interest on ₹47200 at 25% per year for 2 years (in ₹)?
17. 17.Marks of 6 friends in a quiz: 76, 64, 69, 63, 60, 70. What is their average mark?
18. 18.In how many years will ₹9300 earn ₹5580 as simple interest at 15% per year?
19. 19.A cricket bat bought for ₹440 is sold at a loss of 10%. What is the selling price (in ₹)?
20. 20.What sum of money earns ₹8220 simple interest in 5 years at 12% per year (in ₹)?
21. 21.A pair of shoes bought for ₹1660 is sold at a profit of 50%. What is the selling price (in ₹)?
22. 22.Sneha is 10 years older than Kabir. In 6 years, the sum of their ages will be 46. How old is Kabir now?
23. 23.Find the amount when ₹4096 is invested at 25% per year compound interest for 2 years (in ₹).
24. 24.In how many years will ₹6600 earn ₹2376 as simple interest at 9% per year?
25. 25.A water tank holds 4140 litres. 30% of the water is used. How many litres are left?
26. 26.A school bag is marked at ₹450. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
27. 27.Aarav is 2 years older than Vivaan. In 6 years, the sum of their ages will be 52. How old is Vivaan now?
28. 28.A price comes down by 40% and then comes down by 40% more. By what percent has it come down in all? =
29. 29.How many minutes does a car take to go 32 km at 60 km/h?
30. 30.After a 5% discount, a school bag costs ₹2983. What was its marked price (in ₹)?
31. 31.A shopkeeper buys a study lamp for ₹1660 and sells it for ₹1494. Find the loss percent.
32. 32.A shop sells 2480 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
33. 33.The simple interest on ₹3100 for 2 years is ₹682. What is the rate of interest (% per year)?
34. 34.The price of a bicycle is ₹3540. It goes up by 50%. What is the new price (in ₹)?
35. 35.A price goes up by 25% and then goes up by 25% more. By what percent has it gone up in all? =
36. 36.Kabir cycles to his school at 12 km/h and comes back by the same road at 60 km/h. What is his average speed for the whole trip (in km/h)?
37. 37.The average of 8 numbers is 36. When one more number is added, the average becomes 38. What number was added?
38. 38.The average of 4 numbers is 40. When one more number is added, the average becomes 42. What number was added?
39. 39.Find the simple interest on ₹4300 at 10% per year for 4 years (in ₹).
40. 40.After a 10% discount, a bicycle costs ₹414. What was its marked price (in ₹)?

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