Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 300 · 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 5 students for 20 days. How many days will the same food last for 10 students?
2. 2.If 4 pens cost ₹48, how much do 16 pens cost (in ₹)?
3. 3.If 5 kg of rice costs ₹120, how many kg can you buy for ₹48?
4. 4.If 4 notebooks cost ₹132, how much do 8 notebooks cost (in ₹)?
5. 5.2 painters can paint a school in 27 days. How many days would 3 painters take, working at the same speed?
6. 6.A car goes 16 km on 2 litres of petrol. How far can it go on 10 litres (in km)?
7. 7.A hostel has enough food for 4 students for 21 days. How many days will the same food last for 6 students?
8. 8.If 8 kg of rice costs ₹240, how many kg can you buy for ₹150?
9. 9.If 8 pens cost ₹128, how much do 4 pens cost (in ₹)?
10. 10.A hostel has enough food for 3 students for 20 days. How many days will the same food last for 4 students?
11. 11.If 7 kg of rice costs ₹147, how many kg can you buy for ₹63?
12. 12.A car goes 138 km on 6 litres of petrol. How far can it go on 34 litres (in km)?
13. 13.If 2 kg of rice costs ₹112, how many kg can you buy for ₹504?
14. 14.A car goes 198 km on 9 litres of petrol. How far can it go on 36 litres (in km)?
15. 15.A hostel has enough food for 3 students for 12 days. How many days will the same food last for 9 students?
16. 16.If 5 kites cost ₹260, how much do 16 kites cost (in ₹)?
17. 17.If 8 notebooks cost ₹320, how much do 17 notebooks cost (in ₹)?
18. 18.A hostel has enough food for 3 students for 5 days. How many days will the same food last for 5 students?
19. 19.If 7 kg of rice costs ₹476, how many kg can you buy for ₹544?
20. 20.A hostel has enough food for 3 students for 19 days. How many days will the same food last for 19 students?
21. 21.If 4 kg of rice costs ₹252, how many kg can you buy for ₹504?
22. 22.6 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
23. 23.If 2 kg of rice costs ₹146, how many kg can you buy for ₹876?
24. 24.A car goes 156 km on 12 litres of petrol. How far can it go on 16 litres (in km)?
25. 25.If 4 pencil boxes cost ₹220, how much do 20 pencil boxes cost (in ₹)?
26. 26.If 9 kites cost ₹45, how much do 13 kites cost (in ₹)?
27. 27.If 9 erasers cost ₹522, how much do 15 erasers cost (in ₹)?
28. 28.If 4 kg of rice costs ₹208, how many kg can you buy for ₹260?
29. 29.If 4 kg of rice costs ₹332, how many kg can you buy for ₹747?
30. 30.A hostel has enough food for 6 students for 8 days. How many days will the same food last for 8 students?
31. 31.A car goes 20 km on 2 litres of petrol. How far can it go on 5 litres (in km)?
32. 32.If 3 kg of rice costs ₹147, how many kg can you buy for ₹392?
33. 33.If 12 cricket balls cost ₹336, how much do 14 cricket balls cost (in ₹)?
34. 34.If 9 kg of rice costs ₹198, how many kg can you buy for ₹220?
35. 35.8 painters can paint a school in 8 days. How many days would 16 painters take, working at the same speed?
36. 36.A car goes 70 km on 7 litres of petrol. How far can it go on 25 litres (in km)?
37. 37.4 painters can paint a school in 21 days. How many days would 3 painters take, working at the same speed?
38. 38.A car goes 150 km on 6 litres of petrol. How far can it go on 15 litres (in km)?
39. 39.4 painters can paint a school in 16 days. How many days would 8 painters take, working at the same speed?
40. 40.If 9 kg of rice costs ₹261, how many kg can you buy for ₹116?

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