Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 112 · 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. 1.6 painters can paint a school in 15 days. How many days would 2 painters take, working at the same speed?
2. 2.If 8 kg of rice costs ₹384, how many kg can you buy for ₹624?
3. 3.A car goes 42 km on 3 litres of petrol. How far can it go on 39 litres (in km)?
4. 4.If 4 erasers cost ₹148, how much do 16 erasers cost (in ₹)?
5. 5.8 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
6. 6.If 3 pens cost ₹18, how much do 20 pens cost (in ₹)?
7. 7.If 8 erasers cost ₹464, how much do 12 erasers cost (in ₹)?
8. 8.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
9. 9.If 8 kg of rice costs ₹536, how many kg can you buy for ₹134?
10. 10.A hostel has enough food for 8 students for 11 days. How many days will the same food last for 4 students?
11. 11.A car goes 54 km on 6 litres of petrol. How far can it go on 27 litres (in km)?
12. 12.If 4 kites cost ₹164, how much do 17 kites cost (in ₹)?
13. 13.If 10 pencil boxes cost ₹220, how much do 16 pencil boxes cost (in ₹)?
14. 14.A car goes 240 km on 10 litres of petrol. How far can it go on 3 litres (in km)?
15. 15.A car goes 36 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
16. 16.A hostel has enough food for 4 students for 11 days. How many days will the same food last for 2 students?
17. 17.A car goes 175 km on 7 litres of petrol. How far can it go on 12 litres (in km)?
18. 18.If 7 kg of rice costs ₹168, how many kg can you buy for ₹96?
19. 19.A hostel has enough food for 9 students for 28 days. How many days will the same food last for 12 students?
20. 20.If 11 pencil boxes cost ₹319, how much do 12 pencil boxes cost (in ₹)?
21. 21.If 9 kg of rice costs ₹675, how many kg can you buy for ₹150?
22. 22.If 5 mangoes cost ₹35, how much do 17 mangoes cost (in ₹)?
23. 23.2 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
24. 24.If 6 kg of rice costs ₹144, how many kg can you buy for ₹360?
25. 25.A car goes 144 km on 8 litres of petrol. How far can it go on 40 litres (in km)?
26. 26.If 4 mangoes cost ₹20, how much do 12 mangoes cost (in ₹)?
27. 27.If 3 bottles of juice cost ₹132, how much do 10 bottles of juice cost (in ₹)?
28. 28.If 4 kg of rice costs ₹260, how many kg can you buy for ₹650?
29. 29.A car goes 140 km on 10 litres of petrol. How far can it go on 34 litres (in km)?
30. 30.If 6 kg of rice costs ₹426, how many kg can you buy for ₹852?
31. 31.A car goes 75 km on 3 litres of petrol. How far can it go on 17 litres (in km)?
32. 32.If 12 pencil boxes cost ₹660, how much do 4 pencil boxes cost (in ₹)?
33. 33.8 painters can paint a school in 26 days. How many days would 4 painters take, working at the same speed?
34. 34.If 4 kg of rice costs ₹112, how many kg can you buy for ₹168?
35. 35.If 2 pencil boxes cost ₹12, how much do 18 pencil boxes cost (in ₹)?
36. 36.If 10 pens cost ₹340, how much do 4 pens cost (in ₹)?
37. 37.4 painters can paint a school in 8 days. How many days would 16 painters take, working at the same speed?
38. 38.A car goes 176 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
39. 39.If 7 kg of rice costs ₹322, how many kg can you buy for ₹644?
40. 40.A hostel has enough food for 3 students for 6 days. How many days will the same food last for 2 students?

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