Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 256 · 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 4 students for 6 days. How many days will the same food last for 3 students?
2. 2.A hostel has enough food for 5 students for 6 days. How many days will the same food last for 15 students?
3. 3.2 painters can paint a school in 18 days. How many days would 6 painters take, working at the same speed?
4. 4.If 9 kg of rice costs ₹738, how many kg can you buy for ₹164?
5. 5.A car goes 38 km on 2 litres of petrol. How far can it go on 28 litres (in km)?
6. 6.If 4 bottles of juice cost ₹160, how much do 5 bottles of juice cost (in ₹)?
7. 7.If 8 kg of rice costs ₹456, how many kg can you buy for ₹513?
8. 8.If 9 pens cost ₹468, how much do 7 pens cost (in ₹)?
9. 9.If 2 mangoes cost ₹94, how much do 11 mangoes cost (in ₹)?
10. 10.If 12 pencil boxes cost ₹468, how much do 15 pencil boxes cost (in ₹)?
11. 11.7 painters can paint a school in 8 days. How many days would 8 painters take, working at the same speed?
12. 12.If 7 kg of rice costs ₹252, how many kg can you buy for ₹72?
13. 13.If 7 kg of rice costs ₹266, how many kg can you buy for ₹380?
14. 14.If 8 pencil boxes cost ₹280, how much do 9 pencil boxes cost (in ₹)?
15. 15.A hostel has enough food for 2 students for 18 days. How many days will the same food last for 18 students?
16. 16.A hostel has enough food for 12 students for 25 days. How many days will the same food last for 15 students?
17. 17.If 7 bottles of juice cost ₹147, how much do 3 bottles of juice cost (in ₹)?
18. 18.If 7 mangoes cost ₹329, how much do 3 mangoes cost (in ₹)?
19. 19.A hostel has enough food for 10 students for 7 days. How many days will the same food last for 2 students?
20. 20.4 painters can paint a school in 22 days. How many days would 8 painters take, working at the same speed?
21. 21.If 2 bottles of juice cost ₹50, how much do 12 bottles of juice cost (in ₹)?
22. 22.A hostel has enough food for 2 students for 17 days. How many days will the same food last for 17 students?
23. 23.A car goes 90 km on 9 litres of petrol. How far can it go on 19 litres (in km)?
24. 24.If 2 kg of rice costs ₹162, how many kg can you buy for ₹972?
25. 25.If 8 kg of rice costs ₹568, how many kg can you buy for ₹639?
26. 26.A hostel has enough food for 6 students for 10 days. How many days will the same food last for 15 students?
27. 27.If 2 kg of rice costs ₹162, how many kg can you buy for ₹648?
28. 28.A hostel has enough food for 11 students for 23 days. How many days will the same food last for 23 students?
29. 29.A hostel has enough food for 9 students for 16 days. How many days will the same food last for 4 students?
30. 30.If 6 kites cost ₹216, how much do 16 kites cost (in ₹)?
31. 31.If 3 pencil boxes cost ₹33, how much do 13 pencil boxes cost (in ₹)?
32. 32.If 3 kg of rice costs ₹129, how many kg can you buy for ₹473?
33. 33.If 3 mangoes cost ₹21, how much do 14 mangoes cost (in ₹)?
34. 34.A hostel has enough food for 5 students for 14 days. How many days will the same food last for 14 students?
35. 35.If 5 cricket balls cost ₹20, how much do 9 cricket balls cost (in ₹)?
36. 36.A car goes 45 km on 3 litres of petrol. How far can it go on 13 litres (in km)?
37. 37.If 2 kg of rice costs ₹146, how many kg can you buy for ₹365?
38. 38.A hostel has enough food for 5 students for 30 days. How many days will the same food last for 10 students?
39. 39.A hostel has enough food for 3 students for 15 days. How many days will the same food last for 5 students?
40. 40.If 5 kg of rice costs ₹315, how many kg can you buy for ₹504?

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