Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 293 · 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. 1.10 painters can paint a school in 17 days. How many days would 5 painters take, working at the same speed?
2. 2.If 2 pencil boxes cost ₹16, how much do 17 pencil boxes cost (in ₹)?
3. 3.If 5 pens cost ₹220, how much do 12 pens cost (in ₹)?
4. 4.A car goes 52 km on 4 litres of petrol. How far can it go on 3 litres (in km)?
5. 5.If 9 kg of rice costs ₹198, how many kg can you buy for ₹110?
6. 6.If 4 kg of rice costs ₹296, how many kg can you buy for ₹444?
7. 7.7 painters can paint a school in 24 days. How many days would 21 painters take, working at the same speed?
8. 8.If 9 kites cost ₹468, how much do 11 kites cost (in ₹)?
9. 9.A hostel has enough food for 11 students for 23 days. How many days will the same food last for 23 students?
10. 10.3 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
11. 11.If 7 kg of rice costs ₹224, how many kg can you buy for ₹96?
12. 12.A car goes 264 km on 11 litres of petrol. How far can it go on 14 litres (in km)?
13. 13.If 11 pens cost ₹616, how much do 17 pens cost (in ₹)?
14. 14.6 painters can paint a school in 17 days. How many days would 2 painters take, working at the same speed?
15. 15.If 4 pencil boxes cost ₹112, how much do 9 pencil boxes cost (in ₹)?
16. 16.If 2 kg of rice costs ₹120, how many kg can you buy for ₹420?
17. 17.If 9 kg of rice costs ₹720, how many kg can you buy for ₹160?
18. 18.If 9 pens cost ₹54, how much do 15 pens cost (in ₹)?
19. 19.If 3 kites cost ₹78, how much do 8 kites cost (in ₹)?
20. 20.If 10 pencil boxes cost ₹150, how much do 3 pencil boxes cost (in ₹)?
21. 21.A car goes 30 km on 2 litres of petrol. How far can it go on 14 litres (in km)?
22. 22.If 9 pens cost ₹342, how much do 17 pens cost (in ₹)?
23. 23.If 10 pens cost ₹350, how much do 4 pens cost (in ₹)?
24. 24.2 painters can paint a school in 16 days. How many days would 8 painters take, working at the same speed?
25. 25.A hostel has enough food for 5 students for 11 days. How many days will the same food last for 11 students?
26. 26.If 9 cricket balls cost ₹153, how much do 2 cricket balls cost (in ₹)?
27. 27.If 8 erasers cost ₹336, how much do 11 erasers cost (in ₹)?
28. 28.If 2 kg of rice costs ₹152, how many kg can you buy for ₹304?
29. 29.If 8 kg of rice costs ₹392, how many kg can you buy for ₹490?
30. 30.A car goes 120 km on 8 litres of petrol. How far can it go on 31 litres (in km)?
31. 31.A hostel has enough food for 2 students for 23 days. How many days will the same food last for 23 students?
32. 32.A hostel has enough food for 3 students for 7 days. How many days will the same food last for 7 students?
33. 33.A car goes 63 km on 3 litres of petrol. How far can it go on 27 litres (in km)?
34. 34.A hostel has enough food for 3 students for 19 days. How many days will the same food last for 19 students?
35. 35.A car goes 78 km on 6 litres of petrol. How far can it go on 17 litres (in km)?
36. 36.If 2 kg of rice costs ₹122, how many kg can you buy for ₹488?
37. 37.A car goes 20 km on 2 litres of petrol. How far can it go on 17 litres (in km)?
38. 38.A hostel has enough food for 9 students for 8 days. How many days will the same food last for 6 students?
39. 39.If 4 bottles of juice cost ₹60, how much do 15 bottles of juice cost (in ₹)?
40. 40.If 2 kg of rice costs ₹166, how many kg can you buy for ₹415?

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