Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 30 · 40 questions

The method (Go through one): Find the value of one: divide. Multiply by the number you need. Inverse (more workers → fewer days): multiply first to find the total work, then divide.

1. 1.If 3 bottles of juice cost ₹84, how much do 4 bottles of juice cost (in ₹)?
2. 2.A hostel has enough food for 4 students for 20 days. How many days will the same food last for 20 students?
3. 3.If 9 kites cost ₹72, how much do 5 kites cost (in ₹)?
4. 4.A hostel has enough food for 4 students for 21 days. How many days will the same food last for 6 students?
5. 5.If 2 pencil boxes cost ₹64, how much do 12 pencil boxes cost (in ₹)?
6. 6.If 6 erasers cost ₹126, how much do 13 erasers cost (in ₹)?
7. 7.If 4 kg of rice costs ₹280, how many kg can you buy for ₹840?
8. 8.7 painters can paint a school in 30 days. How many days would 10 painters take, working at the same speed?
9. 9.A car goes 92 km on 4 litres of petrol. How far can it go on 27 litres (in km)?
10. 10.If 5 pencil boxes cost ₹215, how much do 10 pencil boxes cost (in ₹)?
11. 11.If 3 pencil boxes cost ₹174, how much do 13 pencil boxes cost (in ₹)?
12. 12.If 10 pens cost ₹240, how much do 13 pens cost (in ₹)?
13. 13.A hostel has enough food for 10 students for 25 days. How many days will the same food last for 5 students?
14. 14.7 painters can paint a school in 14 days. How many days would 2 painters take, working at the same speed?
15. 15.If 4 kg of rice costs ₹148, how many kg can you buy for ₹518?
16. 16.If 11 erasers cost ₹451, how much do 20 erasers cost (in ₹)?
17. 17.If 7 mangoes cost ₹385, how much do 2 mangoes cost (in ₹)?
18. 18.A car goes 30 km on 3 litres of petrol. How far can it go on 19 litres (in km)?
19. 19.If 8 mangoes cost ₹144, how much do 7 mangoes cost (in ₹)?
20. 20.A hostel has enough food for 7 students for 11 days. How many days will the same food last for 11 students?
21. 21.If 5 kg of rice costs ₹405, how many kg can you buy for ₹567?
22. 22.A car goes 150 km on 6 litres of petrol. How far can it go on 11 litres (in km)?
23. 23.A car goes 80 km on 4 litres of petrol. How far can it go on 32 litres (in km)?
24. 24.If 9 kg of rice costs ₹234, how many kg can you buy for ₹208?
25. 25.11 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
26. 26.If 8 pencil boxes cost ₹256, how much do 7 pencil boxes cost (in ₹)?
27. 27.If 11 pens cost ₹495, how much do 4 pens cost (in ₹)?
28. 28.If 12 notebooks cost ₹228, how much do 11 notebooks cost (in ₹)?
29. 29.If 8 bottles of juice cost ₹240, how much do 4 bottles of juice cost (in ₹)?
30. 30.If 2 kg of rice costs ₹162, how many kg can you buy for ₹1053?
31. 31.9 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
32. 32.A car goes 100 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
33. 33.If 5 pens cost ₹285, how much do 3 pens cost (in ₹)?
34. 34.A hostel has enough food for 9 students for 9 days. How many days will the same food last for 3 students?
35. 35.A car goes 78 km on 6 litres of petrol. How far can it go on 31 litres (in km)?
36. 36.If 9 kg of rice costs ₹648, how many kg can you buy for ₹720?
37. 37.If 9 kg of rice costs ₹711, how many kg can you buy for ₹948?
38. 38.If 8 kg of rice costs ₹400, how many kg can you buy for ₹300?
39. 39.If 3 kg of rice costs ₹183, how many kg can you buy for ₹427?
40. 40.If 2 kg of rice costs ₹54, how many kg can you buy for ₹378?

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