Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 47 · 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 shopkeeper buys a watch for ₹1500 and sells it for ₹1950. Find the profit percent.
2. 2.7 years ago, Dev’s mother was twice as old as Dev. The mother is 29 years old now. How old is Dev now?
3. 3.A bus runs at 66 km/h. How far does it go in 90 minutes (in km)?
4. 4.What is the difference between the compound interest and the simple interest on ₹47500 at 12% per year for 2 years (in ₹)?
5. 5.A shopkeeper buys a study lamp for ₹600 and sells it for ₹450. Find the loss percent.
6. 6.A shop sells 1140 cups of tea a month. Next month it sells 20% more. How many cups does it sell next month?
7. 7.A cricket bat bought for ₹460 is sold at a loss of 20%. What is the selling price (in ₹)?
8. 8.In 3 years, Diya will be twice as old as Diya was 4 years ago. How old is Diya now?
9. 9.What sum of money earns ₹750 simple interest in 5 years at 10% per year (in ₹)?
10. 10.The price of a school bag changes from ₹2160 to ₹2592. By what percent did it go up?
11. 11.Marks of 5 friends in a quiz: 65, 70, 88, 68, 94. What is their average mark?
12. 12.Find the simple interest on ₹9600 at 11% per year for 5 years (in ₹).
13. 13.After a 30% discount, a school bag costs ₹462. What was its marked price (in ₹)?
14. 14.A car runs for 1 hour at 80 km/h and then for 1 hour at 26 km/h. What is its average speed for the whole journey (in km/h)?
15. 15.Marks of 5 friends in a quiz: 30, 24, 36, 31, 19. What is their average mark?
16. 16.Find the simple interest on ₹700 at 14% per year for 4 years (in ₹).
17. 17.What is the difference between the compound interest and the simple interest on ₹42800 at 25% per year for 2 years (in ₹)?
18. 18.A pair of shoes is marked at ₹1500. The shop takes 10% off, and then a further 10% off the new price. How much do you pay (in ₹)?
19. 19.Find the amount when ₹23216 is invested at 25% per year compound interest for 2 years (in ₹).
20. 20.A bicycle marked at ₹680 is sold for ₹544. What is the discount percent?
21. 21.Two discounts of 20% and 50%, one after the other, are the same as one discount of what percent? =
22. 22.A school bag is marked at ₹400. The shop gives a 5% discount. How much do you pay (in ₹)?
23. 23.Diya puts ₹3700 in a bank at 2% simple interest per year. How much will she have after 1 year (in ₹)?
24. 24.Nisha is 6 years older than Tara. In 9 years, the sum of their ages will be 76. How old is Tara now?
25. 25.Two discounts of 20% and 20%, one after the other, are the same as one discount of what percent? =
26. 26.A shop sells an average of 27 kg of sugar a day for 2 days, and then 47 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
27. 27.The average weight of 5 children is 42 kg. One child, who weighs 54 kg, leaves the group. What is the new average weight (in kg)?
28. 28.Find the simple interest on ₹3400 at 12% per year for 4 years (in ₹).
29. 29.Change 30 m/s into km/h.
30. 30.Two discounts of 10% and 10%, one after the other, are the same as one discount of what percent? =
31. 31.In 18 years, Aarav will be three times as old as Aarav was 6 years ago. How old is Aarav now?
32. 32.Find the simple interest on ₹900 at 6% per year for 5 years (in ₹).
33. 33.Two discounts of 50% and 25%, one after the other, are the same as one discount of what percent? =
34. 34.By selling a watch for ₹1326, a shopkeeper makes a profit of 30%. What did the watch cost the shopkeeper (in ₹)?
35. 35.Aarav can finish a job in 18 days and Saanvi in 12 days. Aarav works alone for 9 days and then stops. Saanvi finishes the rest. How many days does Saanvi take?
36. 36.A shop sells an average of 45 kg of sugar a day for 2 days, and then 53 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
37. 37.A study lamp is marked at ₹600. The shop takes 50% off, and then a further 20% off the new price. How much do you pay (in ₹)?
38. 38.What is the difference between the compound interest and the simple interest on ₹5000 at 4% per year for 2 years (in ₹)?
39. 39.A watch is marked at ₹660. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
40. 40.A shopkeeper buys a watch for ₹740 and sells it for ₹962. Find the profit percent.

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