Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 80 · 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 12 students for 10 days. How many days will the same food last for 15 students?
2. 2.3 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
3. 3.If 12 pencil boxes cost ₹408, how much do 9 pencil boxes cost (in ₹)?
4. 4.A car goes 170 km on 10 litres of petrol. How far can it go on 7 litres (in km)?
5. 5.A car goes 60 km on 6 litres of petrol. How far can it go on 25 litres (in km)?
6. 6.If 11 kites cost ₹187, how much do 7 kites cost (in ₹)?
7. 7.If 10 pens cost ₹210, how much do 5 pens cost (in ₹)?
8. 8.A hostel has enough food for 6 students for 27 days. How many days will the same food last for 9 students?
9. 9.A car goes 88 km on 4 litres of petrol. How far can it go on 11 litres (in km)?
10. 10.A hostel has enough food for 11 students for 30 days. How many days will the same food last for 22 students?
11. 11.4 painters can paint a school in 27 days. How many days would 6 painters take, working at the same speed?
12. 12.A car goes 36 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
13. 13.If 5 kg of rice costs ₹145, how many kg can you buy for ₹58?
14. 14.2 painters can paint a school in 12 days. How many days would 8 painters take, working at the same speed?
15. 15.If 7 kg of rice costs ₹217, how many kg can you buy for ₹155?
16. 16.A hostel has enough food for 7 students for 25 days. How many days will the same food last for 5 students?
17. 17.If 9 kg of rice costs ₹675, how many kg can you buy for ₹900?
18. 18.If 4 kg of rice costs ₹172, how many kg can you buy for ₹559?
19. 19.If 2 pencil boxes cost ₹64, how much do 13 pencil boxes cost (in ₹)?
20. 20.A car goes 133 km on 7 litres of petrol. How far can it go on 37 litres (in km)?
21. 21.If 3 kg of rice costs ₹96, how many kg can you buy for ₹480?
22. 22.If 2 notebooks cost ₹102, how much do 7 notebooks cost (in ₹)?
23. 23.A hostel has enough food for 3 students for 28 days. How many days will the same food last for 7 students?
24. 24.If 2 kg of rice costs ₹106, how many kg can you buy for ₹636?
25. 25.If 6 kg of rice costs ₹156, how many kg can you buy for ₹286?
26. 26.If 5 kg of rice costs ₹155, how many kg can you buy for ₹124?
27. 27.If 7 notebooks cost ₹98, how much do 16 notebooks cost (in ₹)?
28. 28.A car goes 144 km on 8 litres of petrol. How far can it go on 11 litres (in km)?
29. 29.If 4 kites cost ₹164, how much do 11 kites cost (in ₹)?
30. 30.If 4 kg of rice costs ₹112, how many kg can you buy for ₹392?
31. 31.If 10 pencil boxes cost ₹190, how much do 3 pencil boxes cost (in ₹)?
32. 32.A hostel has enough food for 4 students for 17 days. How many days will the same food last for 2 students?
33. 33.If 6 kg of rice costs ₹192, how many kg can you buy for ₹352?
34. 34.A car goes 75 km on 3 litres of petrol. How far can it go on 17 litres (in km)?
35. 35.A hostel has enough food for 11 students for 25 days. How many days will the same food last for 5 students?
36. 36.If 4 bottles of juice cost ₹120, how much do 14 bottles of juice cost (in ₹)?
37. 37.If 3 kites cost ₹63, how much do 5 kites cost (in ₹)?
38. 38.10 painters can paint a school in 13 days. How many days would 5 painters take, working at the same speed?
39. 39.A car goes 165 km on 11 litres of petrol. How far can it go on 38 litres (in km)?
40. 40.A hostel has enough food for 5 students for 6 days. How many days will the same food last for 2 students?

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