Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 377 · 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 sum of money earns ₹792 simple interest in 2 years at 9% per year (in ₹)?
2. 2.A study lamp is marked at ₹1120. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
3. 3.Isha is 7 years older than Pooja. In 5 years, the sum of their ages will be 57. How old is Pooja now?
4. 4.A price goes up by 5% and then goes up by 40% more. By what percent has it gone up in all? =
5. 5.A study lamp is marked at ₹416. The shop takes 25% off, and then a further 25% off the new price. How much do you pay (in ₹)?
6. 6.A bicycle marked at ₹540 is sold for ₹405. What is the discount percent?
7. 7.A car runs for 4 hours at 51 km/h and then for 4 hours at 25 km/h. What is its average speed for the whole journey (in km/h)?
8. 8.Kabir cycles to his school at 42 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.Change 30 m/s into km/h.
10. 10.A price goes up by 5% and then goes up by 10% more. By what percent has it gone up in all? =
11. 11.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
12. 12.The price of a school bag changes from ₹3060 to ₹3672. By what percent did it go up?
13. 13.By selling a table fan for ₹1598, a shopkeeper makes a loss of 15%. What did the table fan cost the shopkeeper (in ₹)?
14. 14.Meera is 3 years older than Rahul. In 2 years, the sum of their ages will be 47. How old is Rahul now?
15. 15.2 years ago, Vivaan’s mother was four times as old as Vivaan. The mother is 26 years old now. How old is Vivaan now?
16. 16.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
17. 17.A bus runs at 42 km/h. How far does it go in 30 minutes (in km)?
18. 18.The average of 5 numbers is 18. When one more number is added, the average becomes 21. What number was added?
19. 19.A water tank holds 420 litres. 15% of the water is used. How many litres are left?
20. 20.Find the simple interest on ₹600 at 9% per year for 2 years (in ₹).
21. 21.A town has 4780 people. Its population grows by 25%. How many people live there now?
22. 22.A water tank holds 1660 litres. 25% of the water is used. How many litres are left?
23. 23.A water tank holds 4440 litres. 15% of the water is used. How many litres are left?
24. 24.Isha can finish a job in 4 days and Ananya in 16 days. Isha works alone for 2 days and then stops. Ananya finishes the rest. How many days does Ananya take?
25. 25.Vivaan and Manav together finish a job in 3 days. Vivaan alone takes 4 days. How many days would Manav take alone?
26. 26.In 24 years, Saanvi will be twice as old as Saanvi was 2 years ago. How old is Saanvi now?
27. 27.What is the difference between the compound interest and the simple interest on ₹16200 at 20% per year for 2 years (in ₹)?
28. 28.3 years ago, Isha’s mother was four times as old as Isha. The mother is 51 years old now. How old is Isha now?
29. 29.Diya and Isha together finish a job in 4 days. Diya alone takes 12 days. How many days would Isha take alone?
30. 30.Change 18 km/h into metres per second.
31. 31.A shop sells an average of 51 kg of sugar a day for 2 days, and then 45 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
32. 32.Change 54 km/h into metres per second.
33. 33.A shop sells an average of 72 kg of sugar a day for 6 days, and then 66 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?
34. 34.What is the difference between the compound interest and the simple interest on ₹11900 at 10% per year for 2 years (in ₹)?
35. 35.By selling a watch for ₹459, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
36. 36.Change 90 km/h into metres per second.
37. 37.A town has 960 people. Its population grows by 15%. How many people live there now?
38. 38.The average weight of 10 children is 31 kg. One child, who weighs 58 kg, leaves the group. What is the new average weight (in kg)?
39. 39.What is the difference between the compound interest and the simple interest on ₹2500 at 4% per year for 2 years (in ₹)?
40. 40.A school bag marked at ₹3560 is sold for ₹2492. What is the discount percent?

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