Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 684 · 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 bicycle bought for ₹1420 is sold at a loss of 15%. What is the selling price (in ₹)?
2. 2.Change 108 km/h into metres per second.
3. 3.By selling a cricket bat for ₹504, a shopkeeper makes a profit of 40%. What did the cricket bat cost the shopkeeper (in ₹)?
4. 4.Kabir works twice as fast as Diya. Together they finish a job in 2 days. How many days would Diya take alone?
5. 5.A study lamp bought for ₹980 is sold at a profit of 20%. What is the selling price (in ₹)?
6. 6.Change 36 km/h into metres per second.
7. 7.After a 15% discount, a bicycle costs ₹2108. What was its marked price (in ₹)?
8. 8.Kabir works three times as fast as Kavya. Together they finish a job in 10 days. How many days would Kavya take alone?
9. 9.Farhan is 4 years older than Meera. In 2 years, the sum of their ages will be 60. How old is Meera now?
10. 10.Zoya can finish a job in 6 days and Nisha in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
11. 11.A shopkeeper buys a watch for ₹1380 and sells it for ₹1242. Find the loss percent.
12. 12.Ishaan can finish a job in 14 days and Kabir in 28 days. Ishaan works alone for 4 days and then stops. Kabir finishes the rest. How many days does Kabir take?
13. 13.Find the amount when ₹40000 is invested at 15% per year compound interest for 3 years (in ₹).
14. 14.In how many years will ₹6800 earn ₹1020 as simple interest at 15% per year?
15. 15.What is the difference between the compound interest and the simple interest on ₹44200 at 10% per year for 2 years (in ₹)?
16. 16.Change 10 m/s into km/h.
17. 17.Marks of 6 friends in a quiz: 43, 24, 35, 24, 40, 44. What is their average mark?
18. 18.By selling a cricket bat for ₹1872, a shopkeeper makes a profit of 30%. What did the cricket bat cost the shopkeeper (in ₹)?
19. 19.A bicycle bought for ₹760 is sold at a loss of 40%. What is the selling price (in ₹)?
20. 20.Kabir cycles to his school at 40 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
21. 21.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
22. 22.The average weight of 5 children is 31 kg. One child, who weighs 35 kg, leaves the group. What is the new average weight (in kg)?
23. 23.A water tank holds 1680 litres. 5% of the water is used. How many litres are left?
24. 24.Tara works twice as fast as Ishaan. Together they finish a job in 4 days. How many days would Ishaan take alone?
25. 25.In 25 years, Arjun will be twice as old as Arjun was 5 years ago. How old is Arjun now?
26. 26.By selling a cricket bat for ₹1410, a shopkeeper makes a profit of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
27. 27.A price goes up by 40% and then goes up by 10% more. By what percent has it gone up in all? =
28. 28.Nisha can finish a job in 8 days and Diya in 7 days. What fraction of the job do they finish if they work together for 2 days? =
29. 29.Sneha can finish a job in 2 days and Pooja in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
30. 30.By selling a pressure cooker for ₹846, a shopkeeper makes a loss of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
31. 31.A study lamp is marked at ₹2700. The shop gives a 15% discount. How much do you pay (in ₹)?
32. 32.Kabir cycles to his school at 78 km/h and comes back by the same road at 26 km/h. What is his average speed for the whole trip (in km/h)?
33. 33.Meera can finish a job in 14 days and Rohan in 5 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
34. 34.A water tank holds 340 litres. 50% of the water is used. How many litres are left?
35. 35.By selling a pair of shoes for ₹420, a shopkeeper makes a profit of 5%. What did the pair of shoes cost the shopkeeper (in ₹)?
36. 36.A town has 1740 people. Its population grows by 50%. How many people live there now?
37. 37.Kavya is 2 years older than Meera. In 6 years, the sum of their ages will be 66. How old is Meera now?
38. 38.Marks of 5 friends in a quiz: 37, 24, 14, 30, 15. What is their average mark?
39. 39.2 years ago, Ishaan’s mother was twice as old as Ishaan. The mother is 8 years old now. How old is Ishaan now?
40. 40.A water tank holds 4920 litres. 25% of the water is used. How many litres are left?

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