Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 379 · 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. 1.4 painters can paint a school in 24 days. How many days would 8 painters take, working at the same speed?
2. 2.A car goes 112 km on 8 litres of petrol. How far can it go on 24 litres (in km)?
3. 3.2 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
4. 4.If 5 kg of rice costs ₹120, how many kg can you buy for ₹288?
5. 5.If 3 pens cost ₹180, how much do 12 pens cost (in ₹)?
6. 6.A car goes 96 km on 8 litres of petrol. How far can it go on 20 litres (in km)?
7. 7.A hostel has enough food for 9 students for 24 days. How many days will the same food last for 18 students?
8. 8.If 8 pens cost ₹104, how much do 11 pens cost (in ₹)?
9. 9.A car goes 144 km on 6 litres of petrol. How far can it go on 34 litres (in km)?
10. 10.A car goes 138 km on 6 litres of petrol. How far can it go on 26 litres (in km)?
11. 11.If 12 pens cost ₹480, how much do 5 pens cost (in ₹)?
12. 12.A hostel has enough food for 10 students for 17 days. How many days will the same food last for 17 students?
13. 13.If 7 kg of rice costs ₹266, how many kg can you buy for ₹152?
14. 14.A hostel has enough food for 2 students for 11 days. How many days will the same food last for 11 students?
15. 15.If 5 pens cost ₹220, how much do 3 pens cost (in ₹)?
16. 16.If 8 kites cost ₹120, how much do 5 kites cost (in ₹)?
17. 17.A car goes 75 km on 3 litres of petrol. How far can it go on 26 litres (in km)?
18. 18.10 painters can paint a school in 27 days. How many days would 6 painters take, working at the same speed?
19. 19.If 8 notebooks cost ₹336, how much do 20 notebooks cost (in ₹)?
20. 20.A car goes 44 km on 4 litres of petrol. How far can it go on 8 litres (in km)?
21. 21.A car goes 64 km on 8 litres of petrol. How far can it go on 15 litres (in km)?
22. 22.A hostel has enough food for 7 students for 5 days. How many days will the same food last for 5 students?
23. 23.If 9 kg of rice costs ₹702, how many kg can you buy for ₹936?
24. 24.If 8 erasers cost ₹32, how much do 14 erasers cost (in ₹)?
25. 25.A car goes 162 km on 9 litres of petrol. How far can it go on 24 litres (in km)?
26. 26.If 4 bottles of juice cost ₹72, how much do 11 bottles of juice cost (in ₹)?
27. 27.If 3 kg of rice costs ₹60, how many kg can you buy for ₹260?
28. 28.A hostel has enough food for 5 students for 7 days. How many days will the same food last for 7 students?
29. 29.If 7 kg of rice costs ₹245, how many kg can you buy for ₹420?
30. 30.A car goes 85 km on 5 litres of petrol. How far can it go on 30 litres (in km)?
31. 31.A car goes 147 km on 7 litres of petrol. How far can it go on 3 litres (in km)?
32. 32.If 3 pens cost ₹102, how much do 12 pens cost (in ₹)?
33. 33.If 6 cricket balls cost ₹48, how much do 20 cricket balls 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 192 km on 12 litres of petrol. How far can it go on 34 litres (in km)?
36. 36.8 painters can paint a school in 30 days. How many days would 16 painters take, working at the same speed?
37. 37.A car goes 132 km on 12 litres of petrol. How far can it go on 8 litres (in km)?
38. 38.A hostel has enough food for 3 students for 28 days. How many days will the same food last for 14 students?
39. 39.A hostel has enough food for 4 students for 9 days. How many days will the same food last for 9 students?
40. 40.A car goes 77 km on 7 litres of petrol. How far can it go on 33 litres (in km)?

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