Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 433 · 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.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
2. 2.Find the compound interest on ₹36800 at 5% per year for 2 years, added every year (in ₹).
3. 3.By selling a pressure cooker for ₹560, a shopkeeper makes a loss of 30%. What did the pressure cooker cost the shopkeeper (in ₹)?
4. 4.A shopkeeper buys a pair of shoes for ₹1700 and sells it for ₹1445. Find the loss percent.
5. 5.The average weight of 12 children is 37 kg. One child, who weighs 70 kg, leaves the group. What is the new average weight (in kg)?
6. 6.Find the simple interest on ₹10500 at 2% per year for 5 years (in ₹).
7. 7.A study lamp is marked at ₹1480. The shop takes 10% off, and then a further 25% off the new price. How much do you pay (in ₹)?
8. 8.7 years ago, Rohan’s mother was twice as old as Rohan. The mother is 13 years old now. How old is Rohan now?
9. 9.Ishaan can finish a job in 4 days and Aditya in 5 days. What fraction of the job do they finish if they work together for 2 days? =
10. 10.By selling a watch for ₹30, a shopkeeper makes a loss of 50%. What did the watch cost the shopkeeper (in ₹)?
11. 11.Marks of 4 friends in a quiz: 18, 13, 36, 41. What is their average mark?
12. 12.Sneha can finish a job in 4 days and Rohan in 24 days. Sneha works alone for 3 days and then stops. Rohan finishes the rest. How many days does Rohan take?
13. 13.By selling a watch for ₹726, a shopkeeper makes a profit of 10%. What did the watch cost the shopkeeper (in ₹)?
14. 14.Find the simple interest on ₹2800 at 9% per year for 1 year (in ₹).
15. 15.Dev’s father is four times as old as Dev. The sum of their ages is 65 years. How old is Dev?
16. 16.The average weight of 7 children is 42 kg. One child, who weighs 60 kg, leaves the group. What is the new average weight (in kg)?
17. 17.Change 30 m/s into km/h.
18. 18.The average weight of 9 children is 26 kg. One child, who weighs 34 kg, leaves the group. What is the new average weight (in kg)?
19. 19.Aditya can finish a job in 13 days and Priya in 4 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =
20. 20.A water tank holds 2000 litres. 30% of the water is used. How many litres are left?
21. 21.The average weight of 7 children is 36 kg. One child, who weighs 42 kg, leaves the group. What is the new average weight (in kg)?
22. 22.Change 54 km/h into metres per second.
23. 23.Diya puts ₹10900 in a bank at 6% simple interest per year. How much will she have after 2 years (in ₹)?
24. 24.The simple interest on ₹4400 for 3 years is ₹660. What is the rate of interest (% per year)?
25. 25.Find the simple interest on ₹2400 at 10% per year for 3 years (in ₹).
26. 26.A car runs for 2 hours at 44 km/h and then for 4 hours at 23 km/h. What is its average speed for the whole journey (in km/h)?
27. 27.Karan works twice as fast as Rahul. Together they finish a job in 12 days. How many days would Rahul take alone?
28. 28.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
29. 29.Find the amount when ₹15625 is invested at 8% per year compound interest for 3 years (in ₹).
30. 30.10 years ago, Pooja’s mother was four times as old as Pooja. The mother is 58 years old now. How old is Pooja now?
31. 31.A table fan is marked at ₹2420. The shop gives a 5% discount. How much do you pay (in ₹)?
32. 32.A pair of shoes marked at ₹2420 is sold for ₹2299. What is the discount percent?
33. 33.A study lamp is marked at ₹420. The shop takes 20% off, and then a further 50% off the new price. How much do you pay (in ₹)?
34. 34.Aditya and Aarav together finish a job in 3 days. Aditya alone takes 4 days. How many days would Aarav take alone?
35. 35.By selling a watch for ₹518, a shopkeeper makes a loss of 30%. What did the watch cost the shopkeeper (in ₹)?
36. 36.The average weight of 6 children is 46 kg. One child, who weighs 61 kg, leaves the group. What is the new average weight (in kg)?
37. 37.In 22 years, Ishaan will be twice as old as Ishaan was 6 years ago. How old is Ishaan now?
38. 38.The simple interest on ₹4700 for 5 years is ₹1880. What is the rate of interest (% per year)?
39. 39.In 28 years, Aditya will be twice as old as Aditya was 2 years ago. How old is Aditya now?
40. 40.Dev can finish a job in 9 days and Arjun in 12 days. How many days will they take working together? Give a fraction if the answer is not a whole number. =

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