Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 575 · 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 120 km on 12 litres of petrol. How far can it go on 28 litres (in km)?
2. 2.11 painters can paint a school in 6 days. How many days would 6 painters take, working at the same speed?
3. 3.A hostel has enough food for 5 students for 7 days. How many days will the same food last for 7 students?
4. 4.A hostel has enough food for 6 students for 24 days. How many days will the same food last for 8 students?
5. 5.A car goes 75 km on 3 litres of petrol. How far can it go on 29 litres (in km)?
6. 6.10 painters can paint a school in 4 days. How many days would 20 painters take, working at the same speed?
7. 7.A hostel has enough food for 7 students for 22 days. How many days will the same food last for 14 students?
8. 8.If 4 kg of rice costs ₹124, how many kg can you buy for ₹93?
9. 9.A car goes 176 km on 11 litres of petrol. How far can it go on 7 litres (in km)?
10. 10.If 4 notebooks cost ₹160, how much do 9 notebooks cost (in ₹)?
11. 11.A hostel has enough food for 9 students for 13 days. How many days will the same food last for 3 students?
12. 12.If 4 kg of rice costs ₹80, how many kg can you buy for ₹180?
13. 13.If 12 notebooks cost ₹408, how much do 10 notebooks cost (in ₹)?
14. 14.If 8 kg of rice costs ₹528, how many kg can you buy for ₹594?
15. 15.If 4 kg of rice costs ₹228, how many kg can you buy for ₹741?
16. 16.If 2 bottles of juice cost ₹42, how much do 19 bottles of juice cost (in ₹)?
17. 17.A hostel has enough food for 8 students for 8 days. How many days will the same food last for 2 students?
18. 18.A car goes 78 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
19. 19.If 4 pens cost ₹120, how much do 6 pens cost (in ₹)?
20. 20.If 4 bottles of juice cost ₹20, how much do 8 bottles of juice cost (in ₹)?
21. 21.If 6 cricket balls cost ₹204, how much do 17 cricket balls cost (in ₹)?
22. 22.11 painters can paint a school in 14 days. How many days would 7 painters take, working at the same speed?
23. 23.If 9 pens cost ₹234, how much do 14 pens cost (in ₹)?
24. 24.If 3 kg of rice costs ₹264, how many kg can you buy for ₹792?
25. 25.A car goes 187 km on 11 litres of petrol. How far can it go on 18 litres (in km)?
26. 26.If 4 cricket balls cost ₹116, how much do 6 cricket balls cost (in ₹)?
27. 27.If 2 kg of rice costs ₹112, how many kg can you buy for ₹168?
28. 28.A car goes 150 km on 10 litres of petrol. How far can it go on 5 litres (in km)?
29. 29.A car goes 50 km on 2 litres of petrol. How far can it go on 13 litres (in km)?
30. 30.3 painters can paint a school in 21 days. How many days would 21 painters take, working at the same speed?
31. 31.8 painters can paint a school in 15 days. How many days would 3 painters take, working at the same speed?
32. 32.If 11 notebooks cost ₹594, how much do 20 notebooks cost (in ₹)?
33. 33.If 3 erasers cost ₹24, how much do 11 erasers cost (in ₹)?
34. 34.A hostel has enough food for 12 students for 21 days. How many days will the same food last for 7 students?
35. 35.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
36. 36.If 8 notebooks cost ₹152, how much do 3 notebooks cost (in ₹)?
37. 37.A car goes 66 km on 3 litres of petrol. How far can it go on 18 litres (in km)?
38. 38.If 5 pens cost ₹240, how much do 2 pens cost (in ₹)?
39. 39.A car goes 132 km on 11 litres of petrol. How far can it go on 37 litres (in km)?
40. 40.If 2 kg of rice costs ₹104, how many kg can you buy for ₹728?

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