Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 527 · 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.Find the simple interest on ₹12400 at 13% per year for 5 years (in ₹).
2. 2.In 15 years, Diya will be twice as old as Diya was 3 years ago. How old is Diya now?
3. 3.After a 40% discount, a school bag costs ₹1044. What was its marked price (in ₹)?
4. 4.By selling a study lamp for ₹1534, a shopkeeper makes a profit of 30%. What did the study lamp cost the shopkeeper (in ₹)?
5. 5.A study lamp is marked at ₹3080. The shop gives a 30% discount. How much do you pay (in ₹)?
6. 6.Find the simple interest on ₹12500 at 3% per year for 1 year (in ₹).
7. 7.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
8. 8.By selling a pressure cooker for ₹72, a shopkeeper makes a loss of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
9. 9.Zoya’s father is three times as old as Zoya. The sum of their ages is 52 years. How old is Zoya?
10. 10.Find the amount when ₹48000 is invested at 10% per year compound interest for 3 years (in ₹).
11. 11.Diya puts ₹5400 in a bank at 8% simple interest per year. How much will she have after 5 years (in ₹)?
12. 12.Find the simple interest on ₹17800 at 13% per year for 5 years (in ₹).
13. 13.Pooja is 10 years older than Arjun. In 9 years, the sum of their ages will be 74. How old is Arjun now?
14. 14.After a 5% discount, a bicycle costs ₹266. What was its marked price (in ₹)?
15. 15.In 5 years, Rohan will be twice as old as Rohan was 3 years ago. How old is Rohan now?
16. 16.The average weight of 10 children is 48 kg. One child, who weighs 75 kg, leaves the group. What is the new average weight (in kg)?
17. 17.Change 18 km/h into metres per second.
18. 18.The price of a school bag changes from ₹260 to ₹273. By what percent did it go up?
19. 19.What sum of money earns ₹420 simple interest in 1 year at 14% per year (in ₹)?
20. 20.Zoya and Karan together finish a job in 2 days. Zoya alone takes 4 days. How many days would Karan take alone?
21. 21.A study lamp is marked at ₹220. The shop gives a 40% discount. How much do you pay (in ₹)?
22. 22.Tara is 9 years older than Kabir. In 4 years, the sum of their ages will be 63. How old is Kabir now?
23. 23.A water tank holds 3180 litres. 50% of the water is used. How many litres are left?
24. 24.Find the amount when ₹21875 is invested at 4% per year compound interest for 2 years (in ₹).
25. 25.Find the compound interest on ₹44400 at 5% per year for 2 years, added every year (in ₹).
26. 26.A cricket bat is marked at ₹1075. The shop takes 20% off, and then a further 10% off the new price. How much do you pay (in ₹)?
27. 27.A shopkeeper buys a cricket bat for ₹540 and sells it for ₹513. Find the loss percent.
28. 28.Arjun and Rohan together finish a job in 2 days. Arjun alone takes 3 days. How many days would Rohan take alone?
29. 29.After a 30% discount, a cricket bat costs ₹2142. What was its marked price (in ₹)?
30. 30.Priya and Dev together finish a job in 5 days. Priya alone takes 10 days. How many days would Dev take alone?
31. 31.A bicycle bought for ₹680 is sold at a profit of 20%. What is the selling price (in ₹)?
32. 32.What is the difference between the compound interest and the simple interest on ₹30000 at 8% per year for 2 years (in ₹)?
33. 33.In how many years will ₹16900 earn ₹12675 as simple interest at 15% per year?
34. 34.Find the compound interest on ₹46800 at 15% per year for 2 years, added every year (in ₹).
35. 35.Saanvi’s batting average after 13 innings is 48 runs. How many runs must Saanvi score in the next innings to raise the average to 50?
36. 36.Tara is 7 years older than Rahul. In 6 years, the sum of their ages will be 51. How old is Rahul now?
37. 37.Two discounts of 20% and 10%, one after the other, are the same as one discount of what percent? =
38. 38.What sum of money earns ₹324 simple interest in 1 year at 3% per year (in ₹)?
39. 39.6 years ago, Nisha’s mother was four times as old as Nisha. The mother is 50 years old now. How old is Nisha now?
40. 40.Saanvi’s batting average after 13 innings is 44 runs. How many runs must Saanvi score in the next innings to raise the average to 49?

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