Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 79 · 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. 1.5 painters can paint a school in 10 days. How many days would 10 painters take, working at the same speed?
2. 2.A hostel has enough food for 6 students for 5 days. How many days will the same food last for 3 students?
3. 3.If 7 kg of rice costs ₹602, how many kg can you buy for ₹516?
4. 4.A hostel has enough food for 10 students for 27 days. How many days will the same food last for 6 students?
5. 5.If 8 kg of rice costs ₹440, how many kg can you buy for ₹825?
6. 6.A hostel has enough food for 8 students for 23 days. How many days will the same food last for 4 students?
7. 7.If 2 erasers cost ₹44, how much do 13 erasers cost (in ₹)?
8. 8.If 5 erasers cost ₹130, how much do 15 erasers cost (in ₹)?
9. 9.If 9 kg of rice costs ₹189, how many kg can you buy for ₹168?
10. 10.A car goes 50 km on 2 litres of petrol. How far can it go on 34 litres (in km)?
11. 11.If 3 kg of rice costs ₹240, how many kg can you buy for ₹1200?
12. 12.3 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
13. 13.A hostel has enough food for 2 students for 21 days. How many days will the same food last for 14 students?
14. 14.A hostel has enough food for 12 students for 21 days. How many days will the same food last for 14 students?
15. 15.If 8 bottles of juice cost ₹384, how much do 16 bottles of juice cost (in ₹)?
16. 16.A hostel has enough food for 4 students for 4 days. How many days will the same food last for 2 students?
17. 17.If 2 mangoes cost ₹86, how much do 15 mangoes cost (in ₹)?
18. 18.If 3 kg of rice costs ₹168, how many kg can you buy for ₹784?
19. 19.If 9 kites cost ₹270, how much do 15 kites cost (in ₹)?
20. 20.If 2 kg of rice costs ₹140, how many kg can you buy for ₹280?
21. 21.If 8 kg of rice costs ₹208, how many kg can you buy for ₹364?
22. 22.If 7 kg of rice costs ₹434, how many kg can you buy for ₹310?
23. 23.If 7 kg of rice costs ₹357, how many kg can you buy for ₹255?
24. 24.If 11 cricket balls cost ₹594, how much do 10 cricket balls cost (in ₹)?
25. 25.A car goes 216 km on 9 litres of petrol. How far can it go on 2 litres (in km)?
26. 26.If 10 erasers cost ₹50, how much do 3 erasers cost (in ₹)?
27. 27.If 5 kg of rice costs ₹315, how many kg can you buy for ₹504?
28. 28.A car goes 91 km on 7 litres of petrol. How far can it go on 3 litres (in km)?
29. 29.A hostel has enough food for 10 students for 8 days. How many days will the same food last for 2 students?
30. 30.A hostel has enough food for 8 students for 9 days. How many days will the same food last for 3 students?
31. 31.If 4 kg of rice costs ₹112, how many kg can you buy for ₹56?
32. 32.A car goes 143 km on 11 litres of petrol. How far can it go on 25 litres (in km)?
33. 33.If 12 notebooks cost ₹96, how much do 7 notebooks cost (in ₹)?
34. 34.If 4 kg of rice costs ₹148, how many kg can you buy for ₹555?
35. 35.A hostel has enough food for 6 students for 30 days. How many days will the same food last for 5 students?
36. 36.If 4 kg of rice costs ₹124, how many kg can you buy for ₹217?
37. 37.A hostel has enough food for 3 students for 9 days. How many days will the same food last for 9 students?
38. 38.A car goes 98 km on 7 litres of petrol. How far can it go on 16 litres (in km)?
39. 39.A hostel has enough food for 9 students for 30 days. How many days will the same food last for 18 students?
40. 40.12 painters can paint a school in 21 days. How many days would 6 painters take, working at the same speed?

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