Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 726 · 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 19 years, Farhan will be twice as old as Farhan was 3 years ago. How old is Farhan now?
2. 2.What is the difference between the compound interest and the simple interest on ₹45000 at 4% per year for 2 years (in ₹)?
3. 3.A price goes up by 5% and then goes up by 30% more. By what percent has it gone up in all? =
4. 4.Find the compound interest on ₹15625 at 12% per year for 3 years, added every year (in ₹).
5. 5.Kabir can finish a job in 9 days and Vivaan in 8 days. What fraction of the job do they finish if they work together for 2 days? =
6. 6.Kabir cycles to his school at 55 km/h and comes back by the same road at 66 km/h. What is his average speed for the whole trip (in km/h)?
7. 7.A shop sells an average of 35 kg of sugar a day for 2 days, and then 47 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
8. 8.Diya puts ₹10800 in a bank at 9% simple interest per year. How much will she have after 2 years (in ₹)?
9. 9.In 22 years, Arjun will be twice as old as Arjun was 6 years ago. How old is Arjun now?
10. 10.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
11. 11.Two discounts of 10% and 20%, one after the other, are the same as one discount of what percent? =
12. 12.By selling a school bag for ₹66, a shopkeeper makes a profit of 10%. What did the school bag cost the shopkeeper (in ₹)?
13. 13.The average of 6 numbers is 45. When one more number is added, the average becomes 46. What number was added?
14. 14.Arjun and Saanvi together finish a job in 4 days. Arjun alone takes 20 days. How many days would Saanvi take alone?
15. 15.A town has 1660 people. Its population grows by 5%. How many people live there now?
16. 16.A price goes up by 25% and then goes up by 5% more. By what percent has it gone up in all? =
17. 17.The average weight of 10 children is 46 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
18. 18.A car runs for 1 hour at 27 km/h and then for 1 hour at 31 km/h. What is its average speed for the whole journey (in km/h)?
19. 19.In how many years will ₹4800 earn ₹1056 as simple interest at 11% per year?
20. 20.Rahul is 4 years older than Zoya. In 2 years, the sum of their ages will be 20. How old is Zoya now?
21. 21.A town has 160 people. Its population grows by 5%. How many people live there now?
22. 22.The price of a school bag changes from ₹720 to ₹612. By what percent did it come down?
23. 23.A shopkeeper buys a pressure cooker for ₹1620 and sells it for ₹1701. Find the profit percent.
24. 24.A watch is marked at ₹460. The shop gives a 50% discount. How much do you pay (in ₹)?
25. 25.By selling a table fan for ₹1596, a shopkeeper makes a loss of 5%. What did the table fan cost the shopkeeper (in ₹)?
26. 26.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
27. 27.Meera is 3 years older than Nisha. In 3 years, the sum of their ages will be 31. How old is Nisha now?
28. 28.Farhan works twice as fast as Karan. Together they finish a job in 10 days. How many days would Karan take alone?
29. 29.A study lamp is marked at ₹560. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
30. 30.The average of 8 numbers is 18. When one more number is added, the average becomes 22. What number was added?
31. 31.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
32. 32.A car runs for 1 hour at 46 km/h and then for 1 hour at 22 km/h. What is its average speed for the whole journey (in km/h)?
33. 33.The average weight of 9 children is 47 kg. One child, who weighs 71 kg, leaves the group. What is the new average weight (in kg)?
34. 34.In how many years will ₹17600 earn ₹2112 as simple interest at 12% per year?
35. 35.A water tank holds 1020 litres. 25% of the water is used. How many litres are left?
36. 36.A school bag is marked at ₹508. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
37. 37.A town has 3300 people. Its population grows by 20%. How many people live there now?
38. 38.The average weight of 11 children is 42 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
39. 39.Ananya can finish a job in 11 days and Arjun in 7 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
40. 40.The price of a school bag changes from ₹3380 to ₹4732. By what percent did it go up?

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