Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 838 · 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 bus runs at 70 km/h. How far does it go in 90 minutes (in km)?
2. 2.A watch is marked at ₹2920. The shop gives a 10% discount. How much do you pay (in ₹)?
3. 3.In 8 years, Diya will be twice as old as Diya was 6 years ago. How old is Diya now?
4. 4.The average weight of 9 children is 35 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
5. 5.Kabir cycles to his school at 36 km/h and comes back by the same road at 12 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
7. 7.The average of 5 numbers is 26. When one more number is added, the average becomes 30. What number was added?
8. 8.By selling a pressure cooker for ₹1200, a shopkeeper makes a profit of 20%. What did the pressure cooker cost the shopkeeper (in ₹)?
9. 9.Diya can finish a job in 17 days and Sneha in 6 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
10. 10.A price goes up by 40% and then goes up by 15% more. By what percent has it gone up in all? =
11. 11.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
12. 12.Aditya’s father is five times as old as Aditya. The sum of their ages is 90 years. How old is the father?
13. 13.A water tank holds 4060 litres. 10% of the water is used. How many litres are left?
14. 14.What is the difference between the compound interest and the simple interest on ₹28800 at 15% per year for 2 years (in ₹)?
15. 15.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
16. 16.The average of 8 numbers is 27. When one more number is added, the average becomes 33. What number was added?
17. 17.Tara can finish a job in 4 days and Aarav in 6 days. What fraction of the job do they finish if they work together for 1 day? =
18. 18.Arjun can finish a job in 18 days and Nisha in 9 days. Arjun works alone for 2 days and then stops. Nisha finishes the rest. How many days does Nisha take?
19. 19.A shopkeeper buys a pair of shoes for ₹1700 and sells it for ₹1530. Find the loss percent.
20. 20.A town has 500 people. Its population grows by 5%. How many people live there now?
21. 21.The simple interest on ₹1600 for 1 year is ₹80. What is the rate of interest (% per year)?
22. 22.Find the simple interest on ₹11700 at 5% per year for 2 years (in ₹).
23. 23.Find the simple interest on ₹900 at 12% per year for 1 year (in ₹).
24. 24.Find the amount when ₹38850 is invested at 20% per year compound interest for 2 years (in ₹).
25. 25.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
26. 26.In how many years will ₹17300 earn ₹1730 as simple interest at 2% per year?
27. 27.Kabir cycles to his school at 18 km/h and comes back by the same road at 36 km/h. What is his average speed for the whole trip (in km/h)?
28. 28.A shopkeeper buys a school bag for ₹1760 and sells it for ₹1496. Find the loss percent.
29. 29.A pair of shoes marked at ₹2260 is sold for ₹1130. What is the discount percent?
30. 30.A watch bought for ₹880 is sold at a profit of 40%. What is the selling price (in ₹)?
31. 31.A price goes up by 20% and then goes up by 25% more. By what percent has it gone up in all? =
32. 32.Manav and Saanvi together finish a job in 6 days. Manav alone takes 9 days. How many days would Saanvi take alone?
33. 33.By selling a study lamp for ₹756, a shopkeeper makes a profit of 5%. What did the study lamp cost the shopkeeper (in ₹)?
34. 34.By selling a table fan for ₹1672, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?
35. 35.A study lamp is marked at ₹320. The shop gives a 40% discount. How much do you pay (in ₹)?
36. 36.By selling a bicycle for ₹1533, a shopkeeper makes a profit of 5%. What did the bicycle cost the shopkeeper (in ₹)?
37. 37.Aarav’s batting average after 10 innings is 41 runs. How many runs must Aarav score in the next innings to raise the average to 42?
38. 38.A car runs for 2 hours at 79 km/h and then for 4 hours at 25 km/h. What is its average speed for the whole journey (in km/h)?
39. 39.In 26 years, Diya will be twice as old as Diya was 4 years ago. How old is Diya now?
40. 40.What sum of money earns ₹524 simple interest in 1 year at 4% per year (in ₹)?

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