Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 566 · 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. 1.9 painters can paint a school in 11 days. How many days would 3 painters take, working at the same speed?
2. 2.If 3 pens cost ₹102, how much do 9 pens cost (in ₹)?
3. 3.If 6 pencil boxes cost ₹222, how much do 5 pencil boxes cost (in ₹)?
4. 4.If 2 kg of rice costs ₹174, how many kg can you buy for ₹696?
5. 5.If 8 kg of rice costs ₹640, how many kg can you buy for ₹720?
6. 6.If 3 kg of rice costs ₹78, how many kg can you buy for ₹52?
7. 7.A hostel has enough food for 4 students for 10 days. How many days will the same food last for 8 students?
8. 8.If 11 erasers cost ₹407, how much do 17 erasers cost (in ₹)?
9. 9.A car goes 100 km on 10 litres of petrol. How far can it go on 25 litres (in km)?
10. 10.If 8 kg of rice costs ₹584, how many kg can you buy for ₹219?
11. 11.If 7 kg of rice costs ₹301, how many kg can you buy for ₹430?
12. 12.If 8 mangoes cost ₹224, how much do 7 mangoes cost (in ₹)?
13. 13.If 8 kg of rice costs ₹160, how many kg can you buy for ₹300?
14. 14.A hostel has enough food for 9 students for 4 days. How many days will the same food last for 4 students?
15. 15.If 5 kg of rice costs ₹265, how many kg can you buy for ₹477?
16. 16.If 6 pens cost ₹312, how much do 14 pens cost (in ₹)?
17. 17.If 7 kg of rice costs ₹490, how many kg can you buy for ₹140?
18. 18.A car goes 144 km on 8 litres of petrol. How far can it go on 4 litres (in km)?
19. 19.A car goes 161 km on 7 litres of petrol. How far can it go on 15 litres (in km)?
20. 20.If 7 kg of rice costs ₹189, how many kg can you buy for ₹270?
21. 21.If 3 cricket balls cost ₹156, how much do 16 cricket balls cost (in ₹)?
22. 22.A car goes 125 km on 5 litres of petrol. How far can it go on 32 litres (in km)?
23. 23.If 7 pens cost ₹203, how much do 10 pens cost (in ₹)?
24. 24.A hostel has enough food for 5 students for 8 days. How many days will the same food last for 8 students?
25. 25.If 11 erasers cost ₹286, how much do 18 erasers cost (in ₹)?
26. 26.If 5 kg of rice costs ₹255, how many kg can you buy for ₹357?
27. 27.A car goes 187 km on 11 litres of petrol. How far can it go on 9 litres (in km)?
28. 28.A hostel has enough food for 5 students for 23 days. How many days will the same food last for 23 students?
29. 29.3 painters can paint a school in 21 days. How many days would 21 painters take, working at the same speed?
30. 30.If 8 kg of rice costs ₹608, how many kg can you buy for ₹152?
31. 31.If 7 cricket balls cost ₹217, how much do 13 cricket balls cost (in ₹)?
32. 32.If 7 kg of rice costs ₹392, how many kg can you buy for ₹224?
33. 33.A hostel has enough food for 10 students for 6 days. How many days will the same food last for 15 students?
34. 34.A hostel has enough food for 11 students for 14 days. How many days will the same food last for 7 students?
35. 35.If 5 kg of rice costs ₹325, how many kg can you buy for ₹780?
36. 36.If 7 bottles of juice cost ₹161, how much do 18 bottles of juice cost (in ₹)?
37. 37.If 4 kg of rice costs ₹312, how many kg can you buy for ₹936?
38. 38.A car goes 45 km on 3 litres of petrol. How far can it go on 28 litres (in km)?
39. 39.If 12 erasers cost ₹696, how much do 4 erasers cost (in ₹)?
40. 40.If 4 kg of rice costs ₹108, how many kg can you buy for ₹135?

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