Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 762 · 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.Find the amount when ₹31250 is invested at 8% per year compound interest for 3 years (in ₹).
2. 2.A pair of shoes is marked at ₹4640. The shop gives a 10% discount. How much do you pay (in ₹)?
3. 3.What is the difference between the compound interest and the simple interest on ₹7600 at 25% per year for 2 years (in ₹)?
4. 4.What is the difference between the compound interest and the simple interest on ₹39600 at 25% per year for 2 years (in ₹)?
5. 5.Kabir cycles to his school at 45 km/h and comes back by the same road at 90 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.The simple interest on ₹15300 for 1 year is ₹1071. What is the rate of interest (% per year)?
7. 7.A price comes down by 10% and then comes down by 15% more. By what percent has it come down in all? =
8. 8.Find the amount when ₹43750 is invested at 4% per year compound interest for 2 years (in ₹).
9. 9.A watch is marked at ₹3900. The shop gives a 50% discount. How much do you pay (in ₹)?
10. 10.What is the difference between the compound interest and the simple interest on ₹2400 at 10% per year for 2 years (in ₹)?
11. 11.Ishaan’s father is twice as old as Ishaan. The sum of their ages is 27 years. How old is the father?
12. 12.By selling a watch for ₹210, a shopkeeper makes a loss of 50%. What did the watch cost the shopkeeper (in ₹)?
13. 13.Aarav is 3 years older than Isha. In 6 years, the sum of their ages will be 55. How old is Isha now?
14. 14.Marks of 6 friends in a quiz: 13, 37, 21, 34, 16, 23. What is their average mark?
15. 15.Sneha is 4 years older than Dev. In 4 years, the sum of their ages will be 36. How old is Dev now?
16. 16.After a 50% discount, a watch costs ₹2150. What was its marked price (in ₹)?
17. 17.Isha is 7 years older than Arjun. In 10 years, the sum of their ages will be 51. How old is Arjun now?
18. 18.In how many years will ₹19300 earn ₹2702 as simple interest at 7% per year?
19. 19.Find the amount when ₹2425 is invested at 20% per year compound interest for 2 years (in ₹).
20. 20.Find the compound interest on ₹36000 at 5% per year for 2 years, added every year (in ₹).
21. 21.The price of a bicycle is ₹2840. It goes up by 15%. What is the new price (in ₹)?
22. 22.Find the compound interest on ₹5888 at 25% per year for 2 years, added every year (in ₹).
23. 23.A cricket bat is marked at ₹760. The shop gives a 20% discount. How much do you pay (in ₹)?
24. 24.Change 54 km/h into metres per second.
25. 25.6 years ago, Farhan’s mother was three times as old as Farhan. The mother is 18 years old now. How old is Farhan now?
26. 26.A bus runs at 74 km/h. How far does it go in 30 minutes (in km)?
27. 27.3 years ago, Zoya’s mother was four times as old as Zoya. The mother is 39 years old now. How old is Zoya now?
28. 28.Manav and Vivaan together finish a job in 2 days. Manav alone takes 6 days. How many days would Vivaan take alone?
29. 29.A water tank holds 4660 litres. 50% of the water is used. How many litres are left?
30. 30.Find the simple interest on ₹14100 at 14% per year for 2 years (in ₹).
31. 31.Kavya can finish a job in 9 days and Nisha in 6 days. Kavya works alone for 6 days and then stops. Nisha finishes the rest. How many days does Nisha take?
32. 32.A pair of shoes bought for ₹660 is sold at a loss of 50%. What is the selling price (in ₹)?
33. 33.Vivaan works twice as fast as Meera. Together they finish a job in 11 days. How many days would Meera take alone?
34. 34.Find the amount when ₹24400 is invested at 15% per year compound interest for 2 years (in ₹).
35. 35.Kabir and Kavya together finish a job in 4 days. Kabir alone takes 8 days. How many days would Kavya take alone?
36. 36.What is the difference between the compound interest and the simple interest on ₹29600 at 25% per year for 2 years (in ₹)?
37. 37.2 years ago, Kavya’s mother was twice as old as Kavya. The mother is 14 years old now. How old is Kavya now?
38. 38.A pressure cooker marked at ₹4960 is sold for ₹3968. What is the discount percent?
39. 39.The simple interest on ₹11300 for 4 years is ₹5876. What is the rate of interest (% per year)?
40. 40.A water tank holds 3040 litres. 50% of the water is used. How many litres are left?

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