Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 427 · 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. 1.8 painters can paint a school in 16 days. How many days would 16 painters take, working at the same speed?
2. 2.If 5 pens cost ₹155, how much do 15 pens cost (in ₹)?
3. 3.A car goes 114 km on 6 litres of petrol. How far can it go on 25 litres (in km)?
4. 4.A hostel has enough food for 5 students for 15 days. How many days will the same food last for 3 students?
5. 5.12 painters can paint a school in 29 days. How many days would 6 painters take, working at the same speed?
6. 6.A car goes 143 km on 11 litres of petrol. How far can it go on 38 litres (in km)?
7. 7.If 5 kites cost ₹135, how much do 2 kites cost (in ₹)?
8. 8.A car goes 198 km on 11 litres of petrol. How far can it go on 27 litres (in km)?
9. 9.If 4 notebooks cost ₹76, how much do 20 notebooks cost (in ₹)?
10. 10.4 painters can paint a school in 17 days. How many days would 2 painters take, working at the same speed?
11. 11.If 5 kg of rice costs ₹245, how many kg can you buy for ₹343?
12. 12.A hostel has enough food for 8 students for 17 days. How many days will the same food last for 4 students?
13. 13.A car goes 64 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
14. 14.If 4 erasers cost ₹140, how much do 8 erasers cost (in ₹)?
15. 15.11 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
16. 16.8 painters can paint a school in 22 days. How many days would 16 painters take, working at the same speed?
17. 17.A car goes 60 km on 6 litres of petrol. How far can it go on 32 litres (in km)?
18. 18.A car goes 32 km on 4 litres of petrol. How far can it go on 8 litres (in km)?
19. 19.A car goes 72 km on 8 litres of petrol. How far can it go on 39 litres (in km)?
20. 20.5 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
21. 21.10 painters can paint a school in 12 days. How many days would 15 painters take, working at the same speed?
22. 22.A hostel has enough food for 6 students for 21 days. How many days will the same food last for 14 students?
23. 23.8 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
24. 24.A car goes 154 km on 7 litres of petrol. How far can it go on 36 litres (in km)?
25. 25.If 9 bottles of juice cost ₹108, how much do 3 bottles of juice cost (in ₹)?
26. 26.A car goes 240 km on 10 litres of petrol. How far can it go on 7 litres (in km)?
27. 27.If 8 kg of rice costs ₹576, how many kg can you buy for ₹144?
28. 28.If 4 cricket balls cost ₹32, how much do 13 cricket balls cost (in ₹)?
29. 29.If 9 notebooks cost ₹81, how much do 12 notebooks cost (in ₹)?
30. 30.6 painters can paint a school in 6 days. How many days would 12 painters take, working at the same speed?
31. 31.10 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
32. 32.A hostel has enough food for 6 students for 15 days. How many days will the same food last for 9 students?
33. 33.If 4 kg of rice costs ₹176, how many kg can you buy for ₹132?
34. 34.If 5 kg of rice costs ₹110, how many kg can you buy for ₹220?
35. 35.A car goes 121 km on 11 litres of petrol. How far can it go on 22 litres (in km)?
36. 36.A car goes 102 km on 6 litres of petrol. How far can it go on 4 litres (in km)?
37. 37.If 8 kg of rice costs ₹624, how many kg can you buy for ₹546?
38. 38.If 7 notebooks cost ₹343, how much do 12 notebooks cost (in ₹)?
39. 39.If 4 kg of rice costs ₹176, how many kg can you buy for ₹308?
40. 40.A car goes 57 km on 3 litres of petrol. How far can it go on 9 litres (in km)?

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