Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 42 · 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.Change 35 m/s into km/h.
2. 2.Aarav’s batting average after 15 innings is 29 runs. How many runs must Aarav score in the next innings to raise the average to 31?
3. 3.Nisha’s batting average after 11 innings is 27 runs. How many runs must Nisha score in the next innings to raise the average to 30?
4. 4.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
5. 5.Find the compound interest on ₹36688 at 25% per year for 2 years, added every year (in ₹).
6. 6.A shopkeeper buys a watch for ₹120 and sells it for ₹90. Find the loss percent.
7. 7.In 24 years, Nisha will be three times as old as Nisha was 2 years ago. How old is Nisha now?
8. 8.Find the compound interest on ₹46864 at 25% per year for 2 years, added every year (in ₹).
9. 9.A bicycle bought for ₹1080 is sold at a loss of 10%. What is the selling price (in ₹)?
10. 10.A shop sells an average of 59 kg of sugar a day for 3 days, and then 38 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
11. 11.Rohan is 10 years older than Priya. In 4 years, the sum of their ages will be 36. How old is Priya now?
12. 12.A pressure cooker is marked at ₹1800. The shop gives a 10% discount. How much do you pay (in ₹)?
13. 13.By selling a pair of shoes for ₹156, a shopkeeper makes a loss of 40%. What did the pair of shoes cost the shopkeeper (in ₹)?
14. 14.Vivaan can finish a job in 14 days and Sneha in 20 days. What fraction of the job do they finish if they work together for 2 days? =
15. 15.Marks of 4 friends in a quiz: 92, 80, 73, 95. What is their average mark?
16. 16.A water tank holds 4620 litres. 5% of the water is used. How many litres are left?
17. 17.A cricket bat marked at ₹1100 is sold for ₹990. What is the discount percent?
18. 18.A water tank holds 4680 litres. 25% of the water is used. How many litres are left?
19. 19.2 years ago, Aditya’s mother was three times as old as Aditya. The mother is 17 years old now. How old is Aditya now?
20. 20.Find the simple interest on ₹2700 at 13% per year for 3 years (in ₹).
21. 21.By selling a bicycle for ₹2790, a shopkeeper makes a profit of 50%. What did the bicycle cost the shopkeeper (in ₹)?
22. 22.Marks of 4 friends in a quiz: 30, 8, 11, 35. What is their average mark?
23. 23.The simple interest on ₹5900 for 1 year is ₹118. What is the rate of interest (% per year)?
24. 24.Diya puts ₹3600 in a bank at 2% simple interest per year. How much will she have after 3 years (in ₹)?
25. 25.What sum of money earns ₹2656 simple interest in 4 years at 4% per year (in ₹)?
26. 26.By selling a pair of shoes for ₹2002, a shopkeeper makes a profit of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
27. 27.A shop sells an average of 80 kg of sugar a day for 3 days, and then 38 kg a day for the next 4 days. What is the average sale per day for all 7 days (in kg)?
28. 28.What is the difference between the compound interest and the simple interest on ₹40000 at 8% per year for 2 years (in ₹)?
29. 29.Meera and Nisha together finish a job in 6 days. Meera alone takes 10 days. How many days would Nisha take alone?
30. 30.Aarav is 8 years older than Manav. In 3 years, the sum of their ages will be 34. How old is Manav now?
31. 31.A study lamp marked at ₹140 is sold for ₹119. What is the discount percent?
32. 32.Kavya’s batting average after 10 innings is 31 runs. How many runs must Kavya score in the next innings to raise the average to 35?
33. 33.A water tank holds 4820 litres. 25% of the water is used. How many litres are left?
34. 34.A bicycle bought for ₹260 is sold at a profit of 30%. What is the selling price (in ₹)?
35. 35.Find the compound interest on ₹46875 at 8% per year for 3 years, added every year (in ₹).
36. 36.Marks of 5 friends in a quiz: 47, 47, 49, 52, 85. What is their average mark?
37. 37.What sum of money earns ₹3996 simple interest in 3 years at 9% per year (in ₹)?
38. 38.A car runs for 1 hour at 45 km/h and then for 1 hour at 31 km/h. What is its average speed for the whole journey (in km/h)?
39. 39.A shop sells an average of 35 kg of sugar a day for 3 days, and then 43 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
40. 40.The average weight of 10 children is 43 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?

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