Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 74 · 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 bus runs at 32 km/h. How far does it go in 30 minutes (in km)?
2. 2.Dev’s father is four times as old as Dev. The sum of their ages is 30 years. How old is the father?
3. 3.After a 20% discount, a study lamp costs ₹3840. What was its marked price (in ₹)?
4. 4.Find the compound interest on ₹625 at 12% per year for 2 years, added every year (in ₹).
5. 5.What is the difference between the compound interest and the simple interest on ₹10400 at 15% per year for 2 years (in ₹)?
6. 6.A price goes up by 50% and then goes up by 10% more. By what percent has it gone up in all? =
7. 7.After a 10% discount, a watch costs ₹3402. What was its marked price (in ₹)?
8. 8.Change 40 m/s into km/h.
9. 9.Kavya can finish a job in 16 days and Dev in 10 days. What fraction of the job do they finish if they work together for 2 days? =
10. 10.A cricket bat marked at ₹2720 is sold for ₹2448. What is the discount percent?
11. 11.In 23 years, Meera will be twice as old as Meera was 4 years ago. How old is Meera now?
12. 12.A water tank holds 1640 litres. 15% of the water is used. How many litres are left?
13. 13.Isha’s batting average after 14 innings is 39 runs. How many runs must Isha score in the next innings to raise the average to 41?
14. 14.Marks of 5 friends in a quiz: 30, 48, 32, 25, 35. What is their average mark?
15. 15.The simple interest on ₹5900 for 4 years is ₹708. What is the rate of interest (% per year)?
16. 16.Change 30 m/s into km/h.
17. 17.Kabir works twice as fast as Vivaan. Together they finish a job in 9 days. How many days would Vivaan take alone?
18. 18.By selling a watch for ₹1449, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
19. 19.After a 25% discount, a pressure cooker costs ₹435. What was its marked price (in ₹)?
20. 20.Kavya’s batting average after 7 innings is 30 runs. How many runs must Kavya score in the next innings to raise the average to 31?
21. 21.By selling a study lamp for ₹1653, a shopkeeper makes a loss of 5%. What did the study lamp cost the shopkeeper (in ₹)?
22. 22.The average of 8 numbers is 22. When one more number is added, the average becomes 27. What number was added?
23. 23.Marks of 4 friends in a quiz: 55, 57, 65, 75. What is their average mark?
24. 24.Meera’s father is four times as old as Meera. The sum of their ages is 65 years. How old is Meera?
25. 25.A pressure cooker bought for ₹1720 is sold at a profit of 20%. What is the selling price (in ₹)?
26. 26.2 years ago, Aarav’s mother was four times as old as Aarav. The mother is 34 years old now. How old is Aarav now?
27. 27.A shopkeeper buys a study lamp for ₹220 and sells it for ₹176. Find the loss percent.
28. 28.A shopkeeper buys a bicycle for ₹440 and sells it for ₹374. Find the loss percent.
29. 29.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
30. 30.A town has 4780 people. Its population grows by 40%. How many people live there now?
31. 31.By selling a pressure cooker for ₹792, a shopkeeper makes a profit of 10%. What did the pressure cooker cost the shopkeeper (in ₹)?
32. 32.By selling a bicycle for ₹78, a shopkeeper makes a profit of 30%. What did the bicycle cost the shopkeeper (in ₹)?
33. 33.In 11 years, Zoya will be twice as old as Zoya was 2 years ago. How old is Zoya now?
34. 34.Rahul’s father is three times as old as Rahul. The sum of their ages is 24 years. How old is Rahul?
35. 35.A shop sells an average of 29 kg of sugar a day for 3 days, and then 59 kg a day for the next 2 days. What is the average sale per day for all 5 days (in kg)?
36. 36.The price of a school bag changes from ₹160 to ₹184. By what percent did it go up?
37. 37.A table fan is marked at ₹740. The shop gives a 5% discount. How much do you pay (in ₹)?
38. 38.The average weight of 7 children is 37 kg. One child, who weighs 55 kg, leaves the group. What is the new average weight (in kg)?
39. 39.Kabir is 6 years older than Saanvi. In 4 years, the sum of their ages will be 60. How old is Saanvi now?
40. 40.4 years ago, Arjun’s mother was three times as old as Arjun. The mother is 31 years old now. How old is Arjun now?

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