Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 284 · 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.In how many years will ₹4200 earn ₹630 as simple interest at 3% per year?
2. 2.By selling a bicycle for ₹576, a shopkeeper makes a loss of 20%. What did the bicycle cost the shopkeeper (in ₹)?
3. 3.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
4. 4.Change 30 m/s into km/h.
5. 5.Ishaan is 2 years older than Isha. In 3 years, the sum of their ages will be 20. How old is Isha now?
6. 6.Manav can finish a job in 14 days and Rahul in 7 days. Manav works alone for 6 days and then stops. Rahul finishes the rest. How many days does Rahul take?
7. 7.The average weight of 9 children is 37 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
8. 8.A pressure cooker is marked at ₹560. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
9. 9.A watch bought for ₹1380 is sold at a loss of 10%. What is the selling price (in ₹)?
10. 10.By selling a watch for ₹132, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
11. 11.The price of a school bag changes from ₹4740 to ₹5451. By what percent did it go up?
12. 12.Ishaan is 8 years older than Nisha. In 4 years, the sum of their ages will be 66. How old is Nisha now?
13. 13.What sum of money earns ₹398 simple interest in 1 year at 2% per year (in ₹)?
14. 14.Find the amount when ₹23000 is invested at 10% per year compound interest for 3 years (in ₹).
15. 15.By selling a watch for ₹1166, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
16. 16.A table fan bought for ₹1260 is sold at a profit of 15%. What is the selling price (in ₹)?
17. 17.The average of 4 numbers is 27. When one more number is added, the average becomes 31. What number was added?
18. 18.Change 5 m/s into km/h.
19. 19.Diya puts ₹3000 in a bank at 14% simple interest per year. How much will she have after 2 years (in ₹)?
20. 20.What is the difference between the compound interest and the simple interest on ₹6000 at 5% per year for 2 years (in ₹)?
21. 21.A shop sells an average of 57 kg of sugar a day for 2 days, and then 33 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
22. 22.A price comes down by 40% and then comes down by 30% more. By what percent has it come down in all? =
23. 23.Kabir’s batting average after 10 innings is 40 runs. How many runs must Kabir score in the next innings to raise the average to 45?
24. 24.In 16 years, Meera will be three times as old as Meera was 6 years ago. How old is Meera now?
25. 25.In 22 years, Rohan will be twice as old as Rohan was 2 years ago. How old is Rohan now?
26. 26.Zoya’s batting average after 6 innings is 46 runs. How many runs must Zoya score in the next innings to raise the average to 47?
27. 27.Change 25 m/s into km/h.
28. 28.A cricket bat bought for ₹420 is sold at a loss of 5%. What is the selling price (in ₹)?
29. 29.What is the difference between the compound interest and the simple interest on ₹22000 at 25% per year for 2 years (in ₹)?
30. 30.What sum of money earns ₹565 simple interest in 1 year at 5% per year (in ₹)?
31. 31.A pair of shoes marked at ₹1340 is sold for ₹1139. What is the discount percent?
32. 32.A shop sells 1360 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
33. 33.Find the compound interest on ₹8000 at 15% per year for 3 years, added every year (in ₹).
34. 34.Find the compound interest on ₹16000 at 15% per year for 3 years, added every year (in ₹).
35. 35.Kabir cycles to his school at 40 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
36. 36.The average weight of 8 children is 32 kg. One child, who weighs 46 kg, leaves the group. What is the new average weight (in kg)?
37. 37.What is the difference between the compound interest and the simple interest on ₹32500 at 4% per year for 2 years (in ₹)?
38. 38.A car runs for 1 hour at 70 km/h and then for 1 hour at 26 km/h. What is its average speed for the whole journey (in km/h)?
39. 39.By selling a bicycle for ₹1140, a shopkeeper makes a loss of 40%. What did the bicycle cost the shopkeeper (in ₹)?
40. 40.The average weight of 6 children is 44 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?

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