Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 412 · 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 hostel has enough food for 8 students for 30 days. How many days will the same food last for 6 students?
2. 2.A car goes 108 km on 12 litres of petrol. How far can it go on 30 litres (in km)?
3. 3.A car goes 136 km on 8 litres of petrol. How far can it go on 21 litres (in km)?
4. 4.If 8 kg of rice costs ₹288, how many kg can you buy for ₹72?
5. 5.9 painters can paint a school in 21 days. How many days would 7 painters take, working at the same speed?
6. 6.A car goes 288 km on 12 litres of petrol. How far can it go on 29 litres (in km)?
7. 7.A hostel has enough food for 9 students for 4 days. How many days will the same food last for 2 students?
8. 8.A car goes 66 km on 3 litres of petrol. How far can it go on 8 litres (in km)?
9. 9.If 2 notebooks cost ₹30, how much do 13 notebooks cost (in ₹)?
10. 10.If 3 pencil boxes cost ₹171, how much do 10 pencil boxes cost (in ₹)?
11. 11.A car goes 108 km on 6 litres of petrol. How far can it go on 4 litres (in km)?
12. 12.If 8 kg of rice costs ₹528, how many kg can you buy for ₹198?
13. 13.If 12 pencil boxes cost ₹132, how much do 4 pencil boxes cost (in ₹)?
14. 14.If 6 kg of rice costs ₹210, how many kg can you buy for ₹385?
15. 15.If 11 erasers cost ₹297, how much do 12 erasers cost (in ₹)?
16. 16.If 7 kg of rice costs ₹420, how many kg can you buy for ₹900?
17. 17.If 4 kg of rice costs ₹136, how many kg can you buy for ₹340?
18. 18.A hostel has enough food for 4 students for 11 days. How many days will the same food last for 11 students?
19. 19.If 3 kg of rice costs ₹81, how many kg can you buy for ₹135?
20. 20.A car goes 125 km on 5 litres of petrol. How far can it go on 25 litres (in km)?
21. 21.If 6 kg of rice costs ₹402, how many kg can you buy for ₹804?
22. 22.11 painters can paint a school in 20 days. How many days would 10 painters take, working at the same speed?
23. 23.5 painters can paint a school in 6 days. How many days would 6 painters take, working at the same speed?
24. 24.2 painters can paint a school in 30 days. How many days would 20 painters take, working at the same speed?
25. 25.If 8 kg of rice costs ₹176, how many kg can you buy for ₹132?
26. 26.If 8 kg of rice costs ₹368, how many kg can you buy for ₹138?
27. 27.If 2 kg of rice costs ₹122, how many kg can you buy for ₹366?
28. 28.A car goes 225 km on 9 litres of petrol. How far can it go on 11 litres (in km)?
29. 29.A hostel has enough food for 4 students for 4 days. How many days will the same food last for 2 students?
30. 30.If 5 kg of rice costs ₹290, how many kg can you buy for ₹116?
31. 31.If 11 cricket balls cost ₹484, how much do 16 cricket balls cost (in ₹)?
32. 32.If 6 kg of rice costs ₹162, how many kg can you buy for ₹351?
33. 33.A car goes 147 km on 7 litres of petrol. How far can it go on 5 litres (in km)?
34. 34.If 9 kg of rice costs ₹189, how many kg can you buy for ₹210?
35. 35.A hostel has enough food for 12 students for 25 days. How many days will the same food last for 6 students?
36. 36.11 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
37. 37.5 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
38. 38.8 painters can paint a school in 6 days. How many days would 4 painters take, working at the same speed?
39. 39.If 6 kg of rice costs ₹330, how many kg can you buy for ₹605?
40. 40.If 10 notebooks cost ₹280, how much do 11 notebooks cost (in ₹)?

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude