Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 43 · 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.Farhan’s father is five times as old as Farhan. The sum of their ages is 78 years. How old is the father?
2. 2.A water tank holds 800 litres. 10% of the water is used. How many litres are left?
3. 3.A shopkeeper buys a bicycle for ₹220 and sells it for ₹154. Find the loss percent.
4. 4.Find the compound interest on ₹31500 at 20% per year for 3 years, added every year (in ₹).
5. 5.A shopkeeper buys a cricket bat for ₹1820 and sells it for ₹1456. Find the loss percent.
6. 6.A shopkeeper buys a watch for ₹580 and sells it for ₹522. Find the loss percent.
7. 7.A shopkeeper buys a study lamp for ₹1600 and sells it for ₹1520. Find the loss percent.
8. 8.Sneha is 5 years older than Isha. In 8 years, the sum of their ages will be 35. How old is Isha now?
9. 9.Kabir cycles to his school at 24 km/h and comes back by the same road at 40 km/h. What is his average speed for the whole trip (in km/h)?
10. 10.Karan can finish a job in 12 days and Saanvi in 15 days. What fraction of the job do they finish if they work together for 1 day? =
11. 11.A pair of shoes is marked at ₹900. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
12. 12.Change 72 km/h into metres per second.
13. 13.The simple interest on ₹18600 for 3 years is ₹8370. What is the rate of interest (% per year)?
14. 14.Marks of 4 friends in a quiz: 22, 29, 39, 30. What is their average mark?
15. 15.In 15 years, Rohan will be three times as old as Rohan was 3 years ago. How old is Rohan now?
16. 16.A shop sells 5000 cups of tea a month. Next month it sells 50% more. How many cups does it sell next month?
17. 17.Find the compound interest on ₹28000 at 10% per year for 3 years, added every year (in ₹).
18. 18.Sneha and Isha together finish a job in 4 days. Sneha alone takes 8 days. How many days would Isha take alone?
19. 19.The average weight of 6 children is 26 kg. One child, who weighs 31 kg, leaves the group. What is the new average weight (in kg)?
20. 20.The price of a school bag changes from ₹2480 to ₹2604. By what percent did it go up?
21. 21.A shopkeeper buys a study lamp for ₹1980 and sells it for ₹2079. Find the profit percent.
22. 22.Rohan’s father is three times as old as Rohan. The sum of their ages is 56 years. How old is Rohan?
23. 23.Find the amount when ₹30400 is invested at 15% per year compound interest for 2 years (in ₹).
24. 24.A bus runs at 20 km/h. How far does it go in 30 minutes (in km)?
25. 25.A study lamp bought for ₹1560 is sold at a loss of 25%. What is the selling price (in ₹)?
26. 26.The simple interest on ₹15200 for 5 years is ₹6080. What is the rate of interest (% per year)?
27. 27.Zoya’s father is four times as old as Zoya. The sum of their ages is 35 years. How old is Zoya?
28. 28.Change 54 km/h into metres per second.
29. 29.Marks of 6 friends in a quiz: 91, 86, 79, 78, 85, 91. What is their average mark?
30. 30.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 42 years. How old is the father?
31. 31.6 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 14 years old now. How old is Ishaan now?
32. 32.A shop sells an average of 47 kg of sugar a day for 2 days, and then 20 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
33. 33.Find the amount when ₹10320 is invested at 25% per year compound interest for 2 years (in ₹).
34. 34.A school bag is marked at ₹1540. The shop gives a 30% discount. How much do you pay (in ₹)?
35. 35.By selling a pair of shoes for ₹220, a shopkeeper makes a profit of 10%. What did the pair of shoes cost the shopkeeper (in ₹)?
36. 36.By selling a watch for ₹1122, a shopkeeper makes a loss of 15%. What did the watch cost the shopkeeper (in ₹)?
37. 37.Find the simple interest on ₹17400 at 6% per year for 3 years (in ₹).
38. 38.A watch marked at ₹3200 is sold for ₹2560. What is the discount percent?
39. 39.A water tank holds 840 litres. 40% of the water is used. How many litres are left?
40. 40.Diya puts ₹5200 in a bank at 2% simple interest per year. How much will she have after 2 years (in ₹)?

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