Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 246 · 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 10 days. How many days would 10 painters take, working at the same speed?
2. 2.5 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
3. 3.If 8 notebooks cost ₹424, how much do 7 notebooks cost (in ₹)?
4. 4.If 9 pens cost ₹495, how much do 19 pens cost (in ₹)?
5. 5.If 9 kg of rice costs ₹720, how many kg can you buy for ₹1120?
6. 6.A car goes 210 km on 10 litres of petrol. How far can it go on 13 litres (in km)?
7. 7.If 2 cricket balls cost ₹28, how much do 13 cricket balls cost (in ₹)?
8. 8.If 2 kg of rice costs ₹92, how many kg can you buy for ₹322?
9. 9.If 9 kites cost ₹396, how much do 10 kites cost (in ₹)?
10. 10.If 3 kg of rice costs ₹111, how many kg can you buy for ₹555?
11. 11.A car goes 190 km on 10 litres of petrol. How far can it go on 30 litres (in km)?
12. 12.4 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
13. 13.If 8 kg of rice costs ₹320, how many kg can you buy for ₹560?
14. 14.If 8 kg of rice costs ₹712, how many kg can you buy for ₹1246?
15. 15.A car goes 230 km on 10 litres of petrol. How far can it go on 11 litres (in km)?
16. 16.A car goes 56 km on 4 litres of petrol. How far can it go on 3 litres (in km)?
17. 17.A car goes 48 km on 6 litres of petrol. How far can it go on 13 litres (in km)?
18. 18.If 6 kg of rice costs ₹168, how many kg can you buy for ₹84?
19. 19.If 4 notebooks cost ₹12, how much do 9 notebooks cost (in ₹)?
20. 20.A car goes 50 km on 5 litres of petrol. How far can it go on 27 litres (in km)?
21. 21.If 2 kg of rice costs ₹56, how many kg can you buy for ₹168?
22. 22.If 9 kg of rice costs ₹747, how many kg can you buy for ₹1245?
23. 23.If 6 kg of rice costs ₹426, how many kg can you buy for ₹710?
24. 24.If 2 kg of rice costs ₹120, how many kg can you buy for ₹300?
25. 25.A hostel has enough food for 2 students for 9 days. How many days will the same food last for 3 students?
26. 26.If 8 kg of rice costs ₹368, how many kg can you buy for ₹138?
27. 27.4 painters can paint a school in 11 days. How many days would 22 painters take, working at the same speed?
28. 28.A car goes 300 km on 12 litres of petrol. How far can it go on 37 litres (in km)?
29. 29.If 7 kg of rice costs ₹623, how many kg can you buy for ₹356?
30. 30.If 8 cricket balls cost ₹80, how much do 19 cricket balls cost (in ₹)?
31. 31.A hostel has enough food for 4 students for 11 days. How many days will the same food last for 11 students?
32. 32.A car goes 242 km on 11 litres of petrol. How far can it go on 8 litres (in km)?
33. 33.If 2 kg of rice costs ₹166, how many kg can you buy for ₹830?
34. 34.If 8 kg of rice costs ₹312, how many kg can you buy for ₹156?
35. 35.If 9 cricket balls cost ₹423, how much do 13 cricket balls cost (in ₹)?
36. 36.If 11 notebooks cost ₹484, how much do 9 notebooks cost (in ₹)?
37. 37.If 8 kg of rice costs ₹688, how many kg can you buy for ₹1204?
38. 38.4 painters can paint a school in 19 days. How many days would 2 painters take, working at the same speed?
39. 39.A car goes 30 km on 2 litres of petrol. How far can it go on 29 litres (in km)?
40. 40.A car goes 38 km on 2 litres of petrol. How far can it go on 7 litres (in km)?

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