Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 27 · 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.Priya’s batting average after 5 innings is 49 runs. How many runs must Priya score in the next innings to raise the average to 51?
2. 2.A car runs for 2 hours at 73 km/h and then for 1 hour at 22 km/h. What is its average speed for the whole journey (in km/h)?
3. 3.Change 36 km/h into metres per second.
4. 4.Find the compound interest on ₹46875 at 12% per year for 3 years, added every year (in ₹).
5. 5.Arjun can finish a job in 6 days and Ananya in 16 days. What fraction of the job do they finish if they work together for 3 days? =
6. 6.Pooja’s batting average after 13 innings is 39 runs. How many runs must Pooja score in the next innings to raise the average to 41?
7. 7.A shopkeeper buys a school bag for ₹1320 and sells it for ₹1188. Find the loss percent.
8. 8.The average weight of 12 children is 45 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
9. 9.Kabir cycles to his school at 54 km/h and comes back by the same road at 18 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.By selling a watch for ₹1320, a shopkeeper makes a profit of 20%. What did the watch cost the shopkeeper (in ₹)?
11. 11.In 5 years, Tara will be twice as old as Tara was 2 years ago. How old is Tara now?
12. 12.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
13. 13.A school bag marked at ₹540 is sold for ₹513. What is the discount percent?
14. 14.What sum of money earns ₹266 simple interest in 1 year at 7% per year (in ₹)?
15. 15.In how many years will ₹9700 earn ₹4656 as simple interest at 12% per year?
16. 16.Find the amount when ₹13750 is invested at 12% per year compound interest for 2 years (in ₹).
17. 17.Manav’s batting average after 9 innings is 31 runs. How many runs must Manav score in the next innings to raise the average to 36?
18. 18.A water tank holds 720 litres. 40% of the water is used. How many litres are left?
19. 19.Tara’s father is twice as old as Tara. The sum of their ages is 39 years. How old is the father?
20. 20.The price of a bicycle is ₹1420. It goes up by 20%. What is the new price (in ₹)?
21. 21.By selling a watch for ₹731, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
22. 22.The average of 5 numbers is 32. When one more number is added, the average becomes 33. What number was added?
23. 23.Rohan’s father is twice as old as Rohan. The sum of their ages is 42 years. How old is the father?
24. 24.A price comes down by 50% and then comes down by 25% more. By what percent has it come down in all? =
25. 25.A car runs for 1 hour at 52 km/h and then for 1 hour at 78 km/h. What is its average speed for the whole journey (in km/h)?
26. 26.By selling a school bag for ₹2100, a shopkeeper makes a profit of 5%. What did the school bag cost the shopkeeper (in ₹)?
27. 27.A shop sells an average of 45 kg of sugar a day for 6 days, and then 80 kg a day for the next 4 days. What is the average sale per day for all 10 days (in kg)?
28. 28.A car runs for 3 hours at 36 km/h and then for 1 hour at 44 km/h. What is its average speed for the whole journey (in km/h)?
29. 29.A price goes up by 10% and then goes up by 40% more. By what percent has it gone up in all? =
30. 30.What is the difference between the compound interest and the simple interest on ₹2500 at 12% per year for 2 years (in ₹)?
31. 31.The average weight of 5 children is 36 kg. One child, who weighs 40 kg, leaves the group. What is the new average weight (in kg)?
32. 32.A pressure cooker bought for ₹300 is sold at a loss of 50%. What is the selling price (in ₹)?
33. 33.Diya puts ₹10800 in a bank at 5% simple interest per year. How much will she have after 1 year (in ₹)?
34. 34.Pooja’s father is twice as old as Pooja. The sum of their ages is 42 years. How old is Pooja?
35. 35.A shop sells 240 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
36. 36.A price comes down by 15% and then comes down by 40% more. By what percent has it come down in all? =
37. 37.A water tank holds 1120 litres. 10% of the water is used. How many litres are left?
38. 38.A shopkeeper buys a table fan for ₹1540 and sells it for ₹1771. Find the profit percent.
39. 39.A car runs for 3 hours at 25 km/h and then for 3 hours at 63 km/h. What is its average speed for the whole journey (in km/h)?
40. 40.Change 30 m/s into km/h.

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