Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 579 · 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 how many years will ₹13300 earn ₹3192 as simple interest at 12% per year?
2. 2.A shopkeeper buys a watch for ₹960 and sells it for ₹768. Find the loss percent.
3. 3.The simple interest on ₹6900 for 4 years is ₹3588. What is the rate of interest (% per year)?
4. 4.Change 108 km/h into metres per second.
5. 5.Find the compound interest on ₹30625 at 12% per year for 2 years, added every year (in ₹).
6. 6.A study lamp is marked at ₹900. The shop gives a 50% discount. How much do you pay (in ₹)?
7. 7.By selling a study lamp for ₹1820, a shopkeeper makes a profit of 30%. What did the study lamp cost the shopkeeper (in ₹)?
8. 8.After a 50% discount, a study lamp costs ₹1220. What was its marked price (in ₹)?
9. 9.Change 20 m/s into km/h.
10. 10.In 5 years, Aditya will be twice as old as Aditya was 6 years ago. How old is Aditya now?
11. 11.A watch is marked at ₹700. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
12. 12.A cricket bat is marked at ₹575. The shop takes 10% off, and then a further 20% off the new price. How much do you pay (in ₹)?
13. 13.A bus runs at 24 km/h. How far does it go in 20 minutes (in km)?
14. 14.A pressure cooker bought for ₹1820 is sold at a loss of 25%. What is the selling price (in ₹)?
15. 15.In 28 years, Aarav will be twice as old as Aarav was 4 years ago. How old is Aarav now?
16. 16.By selling a pair of shoes for ₹2300, a shopkeeper makes a profit of 25%. What did the pair of shoes cost the shopkeeper (in ₹)?
17. 17.Saanvi is 2 years older than Aditya. In 10 years, the sum of their ages will be 70. How old is Aditya now?
18. 18.In how many years will ₹11900 earn ₹3332 as simple interest at 7% per year?
19. 19.Tara is 8 years older than Ananya. In 7 years, the sum of their ages will be 34. How old is Ananya now?
20. 20.Aarav is 2 years older than Kavya. In 3 years, the sum of their ages will be 52. How old is Kavya now?
21. 21.By selling a pressure cooker for ₹288, a shopkeeper makes a loss of 40%. What did the pressure cooker cost the shopkeeper (in ₹)?
22. 22.Diya puts ₹19200 in a bank at 4% simple interest per year. How much will she have after 2 years (in ₹)?
23. 23.The price of a school bag changes from ₹4740 to ₹5925. By what percent did it go up?
24. 24.In 25 years, Ishaan will be three times as old as Ishaan was 3 years ago. How old is Ishaan now?
25. 25.The simple interest on ₹17300 for 4 years is ₹5536. What is the rate of interest (% per year)?
26. 26.Aditya can finish a job in 5 days and Ishaan in 25 days. Aditya works alone for 1 day and then stops. Ishaan finishes the rest. How many days does Ishaan take?
27. 27.Change 36 km/h into metres per second.
28. 28.A pair of shoes marked at ₹1920 is sold for ₹1440. What is the discount percent?
29. 29.A bicycle is marked at ₹570. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
30. 30.A price goes up by 30% and then comes down by 5%. By what percent has it gone up in all? =
31. 31.Pooja is 2 years older than Priya. In 6 years, the sum of their ages will be 34. How old is Priya now?
32. 32.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
33. 33.A bus runs at 22 km/h. How far does it go in 30 minutes (in km)?
34. 34.By selling a table fan for ₹240, a shopkeeper makes a profit of 50%. What did the table fan cost the shopkeeper (in ₹)?
35. 35.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
36. 36.The average weight of 6 children is 29 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
37. 37.What is the difference between the compound interest and the simple interest on ₹6100 at 20% per year for 2 years (in ₹)?
38. 38.Rohan’s father is twice as old as Rohan. The sum of their ages is 42 years. How old is Rohan?
39. 39.Aarav’s father is four times as old as Aarav. The sum of their ages is 40 years. How old is the father?
40. 40.A shop sells an average of 53 kg of sugar a day for 6 days, and then 35 kg a day for the next 3 days. What is the average sale per day for all 9 days (in kg)?

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