Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 192 · 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.A cricket bat bought for ₹620 is sold at a loss of 5%. What is the selling price (in ₹)?
2. 2.Vivaan and Dev together finish a job in 6 days. Vivaan alone takes 9 days. How many days would Dev take alone?
3. 3.The average weight of 9 children is 38 kg. One child, who weighs 62 kg, leaves the group. What is the new average weight (in kg)?
4. 4.Karan is 10 years older than Farhan. In 5 years, the sum of their ages will be 46. How old is Farhan now?
5. 5.A bus runs at 57 km/h. How far does it go in 40 minutes (in km)?
6. 6.By selling a table fan for ₹368, a shopkeeper makes a profit of 15%. What did the table fan cost the shopkeeper (in ₹)?
7. 7.A car runs for 2 hours at 76 km/h and then for 2 hours at 28 km/h. What is its average speed for the whole journey (in km/h)?
8. 8.By selling a bicycle for ₹2236, a shopkeeper makes a profit of 30%. What did the bicycle cost the shopkeeper (in ₹)?
9. 9.Change 54 km/h into metres per second.
10. 10.By selling a watch for ₹1995, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
11. 11.Kavya’s batting average after 9 innings is 20 runs. How many runs must Kavya score in the next innings to raise the average to 24?
12. 12.By selling a watch for ₹30, a shopkeeper makes a loss of 50%. What did the watch cost the shopkeeper (in ₹)?
13. 13.Find the compound interest on ₹6976 at 25% per year for 2 years, added every year (in ₹).
14. 14.Marks of 4 friends in a quiz: 70, 55, 60, 79. What is their average mark?
15. 15.A table fan marked at ₹1540 is sold for ₹1386. What is the discount percent?
16. 16.Find the compound interest on ₹39000 at 10% per year for 2 years, added every year (in ₹).
17. 17.Kabir can finish a job in 5 days and Vivaan in 20 days. Kabir works alone for 4 days and then stops. Vivaan finishes the rest. How many days does Vivaan take?
18. 18.After a 40% discount, a cricket bat costs ₹1020. What was its marked price (in ₹)?
19. 19.Manav is 10 years older than Diya. In 2 years, the sum of their ages will be 44. How old is Diya now?
20. 20.Find the compound interest on ₹23216 at 25% per year for 2 years, added every year (in ₹).
21. 21.The price of a school bag changes from ₹4520 to ₹4972. By what percent did it go up?
22. 22.Find the compound interest on ₹46875 at 4% per year for 3 years, added every year (in ₹).
23. 23.A bicycle marked at ₹2220 is sold for ₹1554. What is the discount percent?
24. 24.A shopkeeper buys a watch for ₹140 and sells it for ₹70. Find the loss percent.
25. 25.Sneha can finish a job in 16 days and Rohan in 9 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
26. 26.The price of a school bag changes from ₹1140 to ₹1710. By what percent did it go up?
27. 27.A price goes up by 30% and then comes down by 20%. By what percent has it gone up in all? =
28. 28.Two discounts of 10% and 50%, one after the other, are the same as one discount of what percent? =
29. 29.What is the difference between the compound interest and the simple interest on ₹27900 at 20% per year for 2 years (in ₹)?
30. 30.What sum of money earns ₹116 simple interest in 2 years at 2% per year (in ₹)?
31. 31.In how many years will ₹8200 earn ₹1230 as simple interest at 3% per year?
32. 32.A cricket bat is marked at ₹424. The shop takes 50% off, and then a further 25% off the new price. How much do you pay (in ₹)?
33. 33.Rohan’s batting average after 8 innings is 21 runs. How many runs must Rohan score in the next innings to raise the average to 23?
34. 34.Change 10 m/s into km/h.
35. 35.Find the compound interest on ₹31250 at 8% per year for 3 years, added every year (in ₹).
36. 36.What is the difference between the compound interest and the simple interest on ₹4800 at 5% per year for 2 years (in ₹)?
37. 37.Find the simple interest on ₹11600 at 3% per year for 4 years (in ₹).
38. 38.Diya’s batting average after 13 innings is 31 runs. How many runs must Diya score in the next innings to raise the average to 36?
39. 39.What sum of money earns ₹3120 simple interest in 4 years at 6% per year (in ₹)?
40. 40.The price of a school bag changes from ₹360 to ₹270. By what percent did it come down?

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