Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 384 · 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.A car goes 39 km on 3 litres of petrol. How far can it go on 20 litres (in km)?
2. 2.If 2 kg of rice costs ₹118, how many kg can you buy for ₹531?
3. 3.If 3 kg of rice costs ₹105, how many kg can you buy for ₹455?
4. 4.A car goes 132 km on 6 litres of petrol. How far can it go on 37 litres (in km)?
5. 5.A hostel has enough food for 6 students for 12 days. How many days will the same food last for 24 students?
6. 6.9 painters can paint a school in 12 days. How many days would 2 painters take, working at the same speed?
7. 7.4 painters can paint a school in 20 days. How many days would 16 painters take, working at the same speed?
8. 8.A hostel has enough food for 4 students for 18 days. How many days will the same food last for 24 students?
9. 9.A car goes 90 km on 5 litres of petrol. How far can it go on 25 litres (in km)?
10. 10.A car goes 84 km on 6 litres of petrol. How far can it go on 21 litres (in km)?
11. 11.If 7 kg of rice costs ₹336, how many kg can you buy for ₹432?
12. 12.3 painters can paint a school in 18 days. How many days would 9 painters take, working at the same speed?
13. 13.7 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
14. 14.If 6 kg of rice costs ₹240, how many kg can you buy for ₹400?
15. 15.A car goes 192 km on 8 litres of petrol. How far can it go on 30 litres (in km)?
16. 16.A car goes 110 km on 10 litres of petrol. How far can it go on 18 litres (in km)?
17. 17.A hostel has enough food for 3 students for 6 days. How many days will the same food last for 2 students?
18. 18.If 6 kg of rice costs ₹378, how many kg can you buy for ₹630?
19. 19.A car goes 36 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
20. 20.A hostel has enough food for 2 students for 10 days. How many days will the same food last for 5 students?
21. 21.10 painters can paint a school in 20 days. How many days would 8 painters take, working at the same speed?
22. 22.If 2 kg of rice costs ₹76, how many kg can you buy for ₹114?
23. 23.A car goes 20 km on 2 litres of petrol. How far can it go on 4 litres (in km)?
24. 24.If 3 cricket balls cost ₹42, how much do 16 cricket balls cost (in ₹)?
25. 25.If 7 kg of rice costs ₹182, how many kg can you buy for ₹260?
26. 26.4 painters can paint a school in 21 days. How many days would 14 painters take, working at the same speed?
27. 27.If 3 bottles of juice cost ₹147, how much do 13 bottles of juice cost (in ₹)?
28. 28.If 8 kg of rice costs ₹608, how many kg can you buy for ₹304?
29. 29.3 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
30. 30.If 3 bottles of juice cost ₹132, how much do 14 bottles of juice cost (in ₹)?
31. 31.8 painters can paint a school in 20 days. How many days would 16 painters take, working at the same speed?
32. 32.A car goes 48 km on 3 litres of petrol. How far can it go on 36 litres (in km)?
33. 33.If 9 erasers cost ₹99, how much do 6 erasers cost (in ₹)?
34. 34.If 6 notebooks cost ₹270, how much do 18 notebooks cost (in ₹)?
35. 35.If 6 pencil boxes cost ₹246, how much do 18 pencil boxes cost (in ₹)?
36. 36.If 9 pens cost ₹108, how much do 4 pens cost (in ₹)?
37. 37.If 5 kites cost ₹260, how much do 2 kites cost (in ₹)?
38. 38.A car goes 108 km on 6 litres of petrol. How far can it go on 38 litres (in km)?
39. 39.12 painters can paint a school in 19 days. How many days would 4 painters take, working at the same speed?
40. 40.A car goes 132 km on 12 litres of petrol. How far can it go on 38 litres (in km)?

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