Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 924 · 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. 1.4 years ago, Pooja’s mother was twice as old as Pooja. The mother is 10 years old now. How old is Pooja now?
2. 2.Kabir cycles to his school at 77 km/h and comes back by the same road at 21 km/h. What is his average speed for the whole trip (in km/h)?
3. 3.Two discounts of 50% and 10%, one after the other, are the same as one discount of what percent? =
4. 4.5 years ago, Kavya’s mother was three times as old as Kavya. The mother is 26 years old now. How old is Kavya now?
5. 5.Kabir cycles to his school at 42 km/h and comes back by the same road at 14 km/h. What is his average speed for the whole trip (in km/h)?
6. 6.A shopkeeper buys a school bag for ₹560 and sells it for ₹784. Find the profit percent.
7. 7.After a 20% discount, a pair of shoes costs ₹2272. What was its marked price (in ₹)?
8. 8.Kabir cycles to his school at 30 km/h and comes back by the same road at 70 km/h. What is his average speed for the whole trip (in km/h)?
9. 9.The simple interest on ₹4500 for 5 years is ₹900. What is the rate of interest (% per year)?
10. 10.A shopkeeper buys a table fan for ₹260 and sells it for ₹156. Find the loss percent.
11. 11.A shopkeeper buys a watch for ₹1680 and sells it for ₹1848. Find the profit percent.
12. 12.The average weight of 6 children is 33 kg. One child, who weighs 38 kg, leaves the group. What is the new average weight (in kg)?
13. 13.Marks of 4 friends in a quiz: 13, 38, 27, 34. What is their average mark?
14. 14.Find the simple interest on ₹16800 at 13% per year for 2 years (in ₹).
15. 15.Pooja’s father is three times as old as Pooja. The sum of their ages is 32 years. How old is the father?
16. 16.A price goes up by 25% and then comes down by 5%. By what percent has it gone up in all? =
17. 17.A water tank holds 620 litres. 25% of the water is used. How many litres are left?
18. 18.By selling a pair of shoes for ₹1274, a shopkeeper makes a loss of 30%. What did the pair of shoes cost the shopkeeper (in ₹)?
19. 19.What is the difference between the compound interest and the simple interest on ₹10100 at 20% per year for 2 years (in ₹)?
20. 20.4 years ago, Karan’s mother was twice as old as Karan. The mother is 16 years old now. How old is Karan now?
21. 21.By selling a watch for ₹315, a shopkeeper makes a profit of 5%. What did the watch cost the shopkeeper (in ₹)?
22. 22.Kabir cycles to his school at 54 km/h and comes back by the same road at 27 km/h. What is his average speed for the whole trip (in km/h)?
23. 23.Aarav can finish a job in 8 days and Manav in 20 days. Aarav works alone for 4 days and then stops. Manav finishes the rest. How many days does Manav take?
24. 24.Sneha can finish a job in 8 days and Rohan in 24 days. Sneha works alone for 2 days and then stops. Rohan finishes the rest. How many days does Rohan take?
25. 25.A bicycle is marked at ₹600. The shop takes 10% off, and then a further 50% off the new price. How much do you pay (in ₹)?
26. 26.By selling a cricket bat for ₹1000, a shopkeeper makes a loss of 50%. What did the cricket bat cost the shopkeeper (in ₹)?
27. 27.How many minutes does a car take to go 88 km at 33 km/h?
28. 28.A cricket bat bought for ₹200 is sold at a loss of 10%. What is the selling price (in ₹)?
29. 29.A price goes up by 30% and then comes down by 20%. By what percent has it gone up in all? =
30. 30.Diya’s father is five times as old as Diya. The sum of their ages is 90 years. How old is Diya?
31. 31.In 15 years, Farhan will be twice as old as Farhan was 3 years ago. How old is Farhan now?
32. 32.A car runs for 1 hour at 39 km/h and then for 1 hour at 41 km/h. What is its average speed for the whole journey (in km/h)?
33. 33.The price of a school bag changes from ₹3020 to ₹4228. By what percent did it go up?
34. 34.In 24 years, Rohan will be three times as old as Rohan was 2 years ago. How old is Rohan now?
35. 35.Two discounts of 50% and 50%, one after the other, are the same as one discount of what percent? =
36. 36.Meera is 10 years older than Vivaan. In 9 years, the sum of their ages will be 50. How old is Vivaan now?
37. 37.Kabir cycles to his school at 15 km/h and comes back by the same road at 10 km/h. What is his average speed for the whole trip (in km/h)?
38. 38.What sum of money earns ₹1232 simple interest in 1 year at 14% per year (in ₹)?
39. 39.The price of a school bag changes from ₹3140 to ₹3768. By what percent did it go up?
40. 40.What sum of money earns ₹2880 simple interest in 5 years at 12% per year (in ₹)?

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