Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 256 · 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 21 years, Ishaan will be twice as old as Ishaan was 5 years ago. How old is Ishaan now?
2. 2.Marks of 5 friends in a quiz: 15, 37, 36, 15, 7. What is their average mark?
3. 3.By selling a study lamp for ₹1176, a shopkeeper makes a profit of 20%. What did the study lamp cost the shopkeeper (in ₹)?
4. 4.A school bag is marked at ₹2660. The shop gives a 10% discount. How much do you pay (in ₹)?
5. 5.The price of a bicycle is ₹2360. It goes up by 15%. What is the new price (in ₹)?
6. 6.A watch is marked at ₹4200. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
7. 7.A shop sells 280 cups of tea a month. Next month it sells 30% more. How many cups does it sell next month?
8. 8.What sum of money earns ₹720 simple interest in 3 years at 8% per year (in ₹)?
9. 9.In 22 years, Vivaan will be twice as old as Vivaan was 2 years ago. How old is Vivaan now?
10. 10.A pair of shoes marked at ₹340 is sold for ₹238. What is the discount percent?
11. 11.A bicycle is marked at ₹544. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
12. 12.Manav works three times as fast as Saanvi. Together they finish a job in 4 days. How many days would Saanvi take alone?
13. 13.Two discounts of 25% and 10%, one after the other, are the same as one discount of what percent? =
14. 14.The price of a school bag changes from ₹2900 to ₹3045. By what percent did it go up?
15. 15.In how many years will ₹4300 earn ₹258 as simple interest at 2% per year?
16. 16.Change 54 km/h into metres per second.
17. 17.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
18. 18.By selling a cricket bat for ₹130, a shopkeeper makes a loss of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
19. 19.A cricket bat is marked at ₹560. The shop takes 25% off, and then a further 50% off the new price. How much do you pay (in ₹)?
20. 20.A table fan marked at ₹460 is sold for ₹322. What is the discount percent?
21. 21.A water tank holds 520 litres. 5% of the water is used. How many litres are left?
22. 22.8 years ago, Isha’s mother was twice as old as Isha. The mother is 18 years old now. How old is Isha now?
23. 23.Priya can finish a job in 9 days and Nisha in 15 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
24. 24.The average of 6 numbers is 16. When one more number is added, the average becomes 18. What number was added?
25. 25.Marks of 6 friends in a quiz: 81, 88, 90, 80, 63, 66. What is their average mark?
26. 26.By selling a school bag for ₹804, a shopkeeper makes a loss of 40%. What did the school bag cost the shopkeeper (in ₹)?
27. 27.Rahul is 7 years older than Sneha. In 6 years, the sum of their ages will be 75. How old is Sneha now?
28. 28.Marks of 5 friends in a quiz: 49, 57, 55, 60, 49. What is their average mark?
29. 29.Marks of 5 friends in a quiz: 87, 71, 72, 89, 51. What is their average mark?
30. 30.By selling a school bag for ₹280, a shopkeeper makes a loss of 30%. What did the school bag cost the shopkeeper (in ₹)?
31. 31.After a 50% discount, a study lamp costs ₹900. What was its marked price (in ₹)?
32. 32.The average weight of 9 children is 46 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
33. 33.Two discounts of 25% and 50%, one after the other, are the same as one discount of what percent? =
34. 34.The simple interest on ₹1200 for 3 years is ₹216. What is the rate of interest (% per year)?
35. 35.Marks of 5 friends in a quiz: 73, 89, 82, 73, 53. What is their average mark?
36. 36.2 years ago, Karan’s mother was twice as old as Karan. The mother is 18 years old now. How old is Karan now?
37. 37.What sum of money earns ₹1552 simple interest in 1 year at 8% per year (in ₹)?
38. 38.A car runs for 3 hours at 43 km/h and then for 2 hours at 48 km/h. What is its average speed for the whole journey (in km/h)?
39. 39.Find the compound interest on ₹6250 at 4% per year for 2 years, added every year (in ₹).
40. 40.Arjun’s batting average after 8 innings is 39 runs. How many runs must Arjun score in the next innings to raise the average to 43?

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