Everyday Maths Practice Worksheet

Quantitative aptitude lesson 20: Practice: everyday maths · Set 702 · 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 study lamp marked at ₹4400 is sold for ₹3520. What is the discount percent?
2. 2.Nisha is 9 years older than Dev. In 10 years, the sum of their ages will be 47. How old is Dev now?
3. 3.A water tank holds 660 litres. 10% of the water is used. How many litres are left?
4. 4.A water tank holds 2600 litres. 50% of the water is used. How many litres are left?
5. 5.In how many years will ₹18100 earn ₹7059 as simple interest at 13% per year?
6. 6.A pair of shoes bought for ₹740 is sold at a profit of 10%. What is the selling price (in ₹)?
7. 7.Vivaan’s father is twice as old as Vivaan. The sum of their ages is 27 years. How old is Vivaan?
8. 8.Find the compound interest on ₹2624 at 25% per year for 2 years, added every year (in ₹).
9. 9.A bicycle bought for ₹1360 is sold at a loss of 40%. What is the selling price (in ₹)?
10. 10.A watch marked at ₹2860 is sold for ₹2002. What is the discount percent?
11. 11.The price of a bicycle is ₹3740. It goes up by 50%. What is the new price (in ₹)?
12. 12.Change 25 m/s into km/h.
13. 13.Find the amount when ₹12500 is invested at 4% per year compound interest for 2 years (in ₹).
14. 14.Isha works three times as fast as Ishaan. Together they finish a job in 10 days. How many days would Ishaan take alone?
15. 15.A water tank holds 2220 litres. 10% of the water is used. How many litres are left?
16. 16.A watch marked at ₹660 is sold for ₹528. What is the discount percent?
17. 17.A cricket bat marked at ₹760 is sold for ₹456. What is the discount percent?
18. 18.After a 40% discount, a watch costs ₹936. What was its marked price (in ₹)?
19. 19.After a 25% discount, a bicycle costs ₹2865. What was its marked price (in ₹)?
20. 20.A price goes up by 50% and then goes up by 50% more. By what percent has it gone up in all? =
21. 21.In how many years will ₹9400 earn ₹1692 as simple interest at 6% per year?
22. 22.The price of a school bag changes from ₹1760 to ₹2200. By what percent did it go up?
23. 23.A shopkeeper buys a bicycle for ₹1000 and sells it for ₹950. Find the loss percent.
24. 24.Karan works twice as fast as Aditya. Together they finish a job in 2 days. How many days would Aditya take alone?
25. 25.The price of a bicycle is ₹1540. It goes up by 10%. What is the new price (in ₹)?
26. 26.Find the amount when ₹45000 is invested at 12% per year compound interest for 2 years (in ₹).
27. 27.Find the amount when ₹15625 is invested at 4% per year compound interest for 3 years (in ₹).
28. 28.Nisha’s father is five times as old as Nisha. The sum of their ages is 30 years. How old is Nisha?
29. 29.In how many years will ₹5900 earn ₹1180 as simple interest at 4% per year?
30. 30.Change 90 km/h into metres per second.
31. 31.5 years ago, Nisha’s mother was four times as old as Nisha. The mother is 45 years old now. How old is Nisha now?
32. 32.A shop sells an average of 69 kg of sugar a day for 5 days, and then 48 kg a day for the next 2 days. What is the average sale per day for all 7 days (in kg)?
33. 33.The average weight of 8 children is 38 kg. One child, who weighs 52 kg, leaves the group. What is the new average weight (in kg)?
34. 34.What is the difference between the compound interest and the simple interest on ₹31700 at 10% per year for 2 years (in ₹)?
35. 35.Find the amount when ₹5056 is invested at 25% per year compound interest for 3 years (in ₹).
36. 36.After a 10% discount, a study lamp costs ₹2970. What was its marked price (in ₹)?
37. 37.The price of a bicycle is ₹2320. It goes up by 5%. What is the new price (in ₹)?
38. 38.Kabir cycles to his school at 48 km/h and comes back by the same road at 24 km/h. What is his average speed for the whole trip (in km/h)?
39. 39.10 years ago, Diya’s mother was four times as old as Diya. The mother is 54 years old now. How old is Diya now?
40. 40.Find the compound interest on ₹15625 at 8% per year for 3 years, added every year (in ₹).

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