Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 792 · 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.Nisha’s father is three times as old as Nisha. The sum of their ages is 48 years. How old is Nisha?
2. 2.What sum of money earns ₹1560 simple interest in 4 years at 3% per year (in ₹)?
3. 3.Two discounts of 25% and 25%, one after the other, are the same as one discount of what percent? =
4. 4.In 21 years, Nisha will be twice as old as Nisha was 2 years ago. How old is Nisha now?
5. 5.In 28 years, Meera will be twice as old as Meera was 3 years ago. How old is Meera now?
6. 6.Tara can finish a job in 15 days and Kabir in 20 days. What fraction of the job do they finish if they work together for 2 days? =
7. 7.Change 15 m/s into km/h.
8. 8.Farhan can finish a job in 11 days and Arjun in 14 days. What fraction of the job do they finish if they work together for 2 days? =
9. 9.What sum of money earns ₹105 simple interest in 1 year at 15% per year (in ₹)?
10. 10.A water tank holds 1600 litres. 10% of the water is used. How many litres are left?
11. 11.What is the difference between the compound interest and the simple interest on ₹13800 at 10% per year for 2 years (in ₹)?
12. 12.Diya can finish a job in 10 days and Rahul in 12 days. What fraction of the job do they finish if they work together for 2 days? =
13. 13.7 years ago, Dev’s mother was four times as old as Dev. The mother is 43 years old now. How old is Dev now?
14. 14.6 years ago, Arjun’s mother was twice as old as Arjun. The mother is 24 years old now. How old is Arjun now?
15. 15.A shop sells 4540 cups of tea a month. Next month it sells 10% more. How many cups does it sell next month?
16. 16.A watch marked at ₹1060 is sold for ₹954. What is the discount percent?
17. 17.Marks of 4 friends in a quiz: 38, 58, 43, 57. What is their average mark?
18. 18.The average weight of 10 children is 36 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
19. 19.A shopkeeper buys a school bag for ₹700 and sells it for ₹910. Find the profit percent.
20. 20.Karan can finish a job in 10 days and Kavya in 24 days. Karan works alone for 5 days and then stops. Kavya finishes the rest. How many days does Kavya take?
21. 21.Find the compound interest on ₹31250 at 4% per year for 3 years, added every year (in ₹).
22. 22.A shopkeeper buys a pair of shoes for ₹1180 and sells it for ₹1298. Find the profit percent.
23. 23.A shopkeeper buys a cricket bat for ₹1220 and sells it for ₹1586. Find the profit percent.
24. 24.Vivaan works three times as fast as Saanvi. Together they finish a job in 12 days. How many days would Saanvi take alone?
25. 25.Farhan works twice as fast as Ishaan. Together they finish a job in 10 days. How many days would Ishaan take alone?
26. 26.Tara can finish a job in 12 days and Ishaan in 13 days. What fraction of the job do they finish if they work together for 1 day? =
27. 27.Sneha’s father is three times as old as Sneha. The sum of their ages is 48 years. How old is Sneha?
28. 28.Sneha works twice as fast as Aarav. Together they finish a job in 6 days. How many days would Aarav take alone?
29. 29.Find the amount when ₹3750 is invested at 8% per year compound interest for 2 years (in ₹).
30. 30.Aditya’s batting average after 8 innings is 34 runs. How many runs must Aditya score in the next innings to raise the average to 39?
31. 31.Two discounts of 25% and 20%, one after the other, are the same as one discount of what percent? =
32. 32.By selling a table fan for ₹756, a shopkeeper makes a profit of 5%. What did the table fan cost the shopkeeper (in ₹)?
33. 33.In how many years will ₹13200 earn ₹396 as simple interest at 3% per year?
34. 34.A shopkeeper buys a study lamp for ₹700 and sells it for ₹770. Find the profit percent.
35. 35.A shop sells an average of 37 kg of sugar a day for 5 days, and then 39 kg a day for the next 5 days. What is the average sale per day for all 10 days (in kg)?
36. 36.A pair of shoes bought for ₹1420 is sold at a profit of 30%. What is the selling price (in ₹)?
37. 37.A cricket bat is marked at ₹464. The shop takes 50% off, and then a further 50% off the new price. How much do you pay (in ₹)?
38. 38.Diya puts ₹1600 in a bank at 10% simple interest per year. How much will she have after 5 years (in ₹)?
39. 39.A price goes up by 5% and then goes up by 50% more. By what percent has it gone up in all? =
40. 40.Find the amount when ₹46875 is invested at 4% per year compound interest for 3 years (in ₹).

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