Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 693 · 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.By selling a study lamp for ₹36, a shopkeeper makes a loss of 40%. What did the study lamp cost the shopkeeper (in ₹)?
2. 2.A pair of shoes is marked at ₹775. The shop takes 20% off, and then a further 20% off the new price. How much do you pay (in ₹)?
3. 3.How many minutes does a car take to go 144 km at 64 km/h?
4. 4.A water tank holds 2600 litres. 15% of the water is used. How many litres are left?
5. 5.By selling a pair of shoes for ₹2425, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
6. 6.Marks of 5 friends in a quiz: 60, 61, 57, 50, 27. What is their average mark?
7. 7.Find the simple interest on ₹1300 at 13% per year for 2 years (in ₹).
8. 8.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
9. 9.The price of a bicycle is ₹940. It goes up by 20%. What is the new price (in ₹)?
10. 10.Marks of 4 friends in a quiz: 65, 77, 54, 64. What is their average mark?
11. 11.A shop sells 1940 cups of tea a month. Next month it sells 25% more. How many cups does it sell next month?
12. 12.The price of a school bag changes from ₹180 to ₹135. By what percent did it come down?
13. 13.A bus runs at 48 km/h. How far does it go in 90 minutes (in km)?
14. 14.A car runs for 2 hours at 74 km/h and then for 1 hour at 80 km/h. What is its average speed for the whole journey (in km/h)?
15. 15.A price goes up by 30% and then goes up by 20% more. By what percent has it gone up in all? =
16. 16.Saanvi can finish a job in 15 days and Zoya in 20 days. Saanvi works alone for 6 days and then stops. Zoya finishes the rest. How many days does Zoya take?
17. 17.By selling a study lamp for ₹1144, a shopkeeper makes a profit of 10%. What did the study lamp cost the shopkeeper (in ₹)?
18. 18.3 years ago, Diya’s mother was four times as old as Diya. The mother is 35 years old now. How old is Diya now?
19. 19.Find the amount when ₹32525 is invested at 20% per year compound interest for 2 years (in ₹).
20. 20.A water tank holds 680 litres. 30% of the water is used. How many litres are left?
21. 21.Find the simple interest on ₹15200 at 7% per year for 4 years (in ₹).
22. 22.Kabir cycles to his school at 40 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
23. 23.Change 15 m/s into km/h.
24. 24.The simple interest on ₹19600 for 3 years is ₹4116. What is the rate of interest (% per year)?
25. 25.Find the amount when ₹50000 is invested at 8% per year compound interest for 2 years (in ₹).
26. 26.6 years ago, Tara’s mother was three times as old as Tara. The mother is 39 years old now. How old is Tara now?
27. 27.Find the simple interest on ₹7300 at 9% per year for 3 years (in ₹).
28. 28.Find the compound interest on ₹38125 at 4% per year for 2 years, added every year (in ₹).
29. 29.The price of a school bag changes from ₹4600 to ₹3220. By what percent did it come down?
30. 30.A bus runs at 32 km/h. How far does it go in 45 minutes (in km)?
31. 31.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
32. 32.The simple interest on ₹16700 for 1 year is ₹501. What is the rate of interest (% per year)?
33. 33.By selling a study lamp for ₹990, a shopkeeper makes a loss of 10%. What did the study lamp cost the shopkeeper (in ₹)?
34. 34.Manav and Rahul together finish a job in 4 days. Manav alone takes 6 days. How many days would Rahul take alone?
35. 35.In 24 years, Karan will be twice as old as Karan was 2 years ago. How old is Karan now?
36. 36.Arjun is 6 years older than Rohan. In 9 years, the sum of their ages will be 44. How old is Rohan now?
37. 37.A shop sells an average of 68 kg of sugar a day for 3 days, and then 23 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
38. 38.Isha’s father is four times as old as Isha. The sum of their ages is 75 years. How old is the father?
39. 39.What is the difference between the compound interest and the simple interest on ₹18400 at 15% per year for 2 years (in ₹)?
40. 40.The average of 4 numbers is 39. When one more number is added, the average becomes 45. What number was added?

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