Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 938 · 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.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
2. 2.A cricket bat bought for ₹1040 is sold at a loss of 30%. What is the selling price (in ₹)?
3. 3.Find the amount when ₹3000 is invested at 10% per year compound interest for 3 years (in ₹).
4. 4.Kabir’s batting average after 6 innings is 48 runs. How many runs must Kabir score in the next innings to raise the average to 51?
5. 5.By selling a school bag for ₹2028, a shopkeeper makes a profit of 30%. What did the school bag cost the shopkeeper (in ₹)?
6. 6.How many minutes does a car take to go 73 km at 60 km/h?
7. 7.Kabir works three times as fast as Karan. Together they finish a job in 9 days. How many days would Karan take alone?
8. 8.Sneha is 10 years older than Diya. In 9 years, the sum of their ages will be 78. How old is Diya now?
9. 9.Karan and Aarav together finish a job in 4 days. Karan alone takes 6 days. How many days would Aarav take alone?
10. 10.In 16 years, Ananya will be twice as old as Ananya was 2 years ago. How old is Ananya now?
11. 11.Two discounts of 20% and 25%, one after the other, are the same as one discount of what percent? =
12. 12.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
13. 13.A study lamp bought for ₹1620 is sold at a loss of 30%. What is the selling price (in ₹)?
14. 14.Priya can finish a job in 21 days and Tara in 24 days. Priya works alone for 14 days and then stops. Tara finishes the rest. How many days does Tara take?
15. 15.Rohan works twice as fast as Diya. Together they finish a job in 5 days. How many days would Diya take alone?
16. 16.How many minutes does a car take to go 80 km at 30 km/h?
17. 17.Find the compound interest on ₹32875 at 20% per year for 3 years, added every year (in ₹).
18. 18.The price of a school bag changes from ₹200 to ₹250. By what percent did it go up?
19. 19.Saanvi is 8 years older than Aarav. In 9 years, the sum of their ages will be 86. How old is Aarav now?
20. 20.The average of 8 numbers is 30. When one more number is added, the average becomes 36. What number was added?
21. 21.A pressure cooker is marked at ₹1060. The shop gives a 40% discount. How much do you pay (in ₹)?
22. 22.Diya puts ₹6600 in a bank at 7% simple interest per year. How much will she have after 3 years (in ₹)?
23. 23.Zoya’s father is five times as old as Zoya. The sum of their ages is 30 years. How old is Zoya?
24. 24.4 years ago, Aarav’s mother was four times as old as Aarav. The mother is 44 years old now. How old is Aarav now?
25. 25.A shop sells an average of 71 kg of sugar a day for 3 days, and then 23 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
26. 26.By selling a cricket bat for ₹1116, a shopkeeper makes a loss of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
27. 27.Priya works twice as fast as Rohan. Together they finish a job in 2 days. How many days would Rohan take alone?
28. 28.A bicycle bought for ₹1260 is sold at a loss of 5%. What is the selling price (in ₹)?
29. 29.Change 10 m/s into km/h.
30. 30.What sum of money earns ₹700 simple interest in 5 years at 5% per year (in ₹)?
31. 31.Dev’s father is five times as old as Dev. The sum of their ages is 72 years. How old is Dev?
32. 32.The average of 5 numbers is 21. When one more number is added, the average becomes 23. What number was added?
33. 33.Find the compound interest on ₹48000 at 15% per year for 3 years, added every year (in ₹).
34. 34.Diya puts ₹7200 in a bank at 4% simple interest per year. How much will she have after 5 years (in ₹)?
35. 35.What is the difference between the compound interest and the simple interest on ₹5000 at 12% per year for 2 years (in ₹)?
36. 36.By selling a study lamp for ₹2490, a shopkeeper makes a profit of 50%. What did the study lamp cost the shopkeeper (in ₹)?
37. 37.Vivaan can finish a job in 10 days and Rohan in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
38. 38.A shop sells 3420 cups of tea a month. Next month it sells 5% more. How many cups does it sell next month?
39. 39.The average weight of 5 children is 26 kg. One child, who weighs 30 kg, leaves the group. What is the new average weight (in kg)?
40. 40.Tara can finish a job in 26 days and Rahul in 13 days. Tara works alone for 4 days and then stops. Rahul finishes the rest. How many days does Rahul take?

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