Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 217 · 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 car goes 81 km on 9 litres of petrol. How far can it go on 30 litres (in km)?
2. 2.A hostel has enough food for 2 students for 5 days. How many days will the same food last for 5 students?
3. 3.A car goes 275 km on 11 litres of petrol. How far can it go on 27 litres (in km)?
4. 4.12 painters can paint a school in 6 days. How many days would 6 painters take, working at the same speed?
5. 5.A car goes 156 km on 12 litres of petrol. How far can it go on 7 litres (in km)?
6. 6.If 7 kg of rice costs ₹343, how many kg can you buy for ₹735?
7. 7.If 8 kites cost ₹432, how much do 4 kites cost (in ₹)?
8. 8.A hostel has enough food for 7 students for 14 days. How many days will the same food last for 2 students?
9. 9.If 7 erasers cost ₹35, how much do 11 erasers cost (in ₹)?
10. 10.If 9 kg of rice costs ₹558, how many kg can you buy for ₹806?
11. 11.12 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
12. 12.If 3 cricket balls cost ₹147, how much do 6 cricket balls cost (in ₹)?
13. 13.A car goes 55 km on 5 litres of petrol. How far can it go on 36 litres (in km)?
14. 14.A car goes 96 km on 12 litres of petrol. How far can it go on 2 litres (in km)?
15. 15.If 4 erasers cost ₹240, how much do 11 erasers cost (in ₹)?
16. 16.If 9 kg of rice costs ₹666, how many kg can you buy for ₹962?
17. 17.A hostel has enough food for 5 students for 20 days. How many days will the same food last for 10 students?
18. 18.If 5 kg of rice costs ₹350, how many kg can you buy for ₹630?
19. 19.If 12 notebooks cost ₹624, how much do 20 notebooks cost (in ₹)?
20. 20.A hostel has enough food for 5 students for 18 days. How many days will the same food last for 10 students?
21. 21.10 painters can paint a school in 24 days. How many days would 8 painters take, working at the same speed?
22. 22.A car goes 168 km on 7 litres of petrol. How far can it go on 17 litres (in km)?
23. 23.If 6 kg of rice costs ₹186, how many kg can you buy for ₹372?
24. 24.7 painters can paint a school in 6 days. How many days would 6 painters take, working at the same speed?
25. 25.If 7 kg of rice costs ₹287, how many kg can you buy for ₹246?
26. 26.9 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
27. 27.If 5 pencil boxes cost ₹220, how much do 10 pencil boxes cost (in ₹)?
28. 28.A hostel has enough food for 12 students for 27 days. How many days will the same food last for 18 students?
29. 29.If 10 cricket balls cost ₹530, how much do 8 cricket balls cost (in ₹)?
30. 30.A hostel has enough food for 2 students for 17 days. How many days will the same food last for 17 students?
31. 31.If 10 pens cost ₹340, how much do 2 pens cost (in ₹)?
32. 32.If 2 kg of rice costs ₹72, how many kg can you buy for ₹468?
33. 33.A car goes 45 km on 5 litres of petrol. How far can it go on 36 litres (in km)?
34. 34.A hostel has enough food for 9 students for 17 days. How many days will the same food last for 17 students?
35. 35.If 4 kites cost ₹236, how much do 16 kites cost (in ₹)?
36. 36.A car goes 200 km on 10 litres of petrol. How far can it go on 2 litres (in km)?
37. 37.If 9 mangoes cost ₹333, how much do 7 mangoes cost (in ₹)?
38. 38.If 2 kg of rice costs ₹42, how many kg can you buy for ₹294?
39. 39.12 painters can paint a school in 15 days. How many days would 4 painters take, working at the same speed?
40. 40.If 7 kg of rice costs ₹588, how many kg can you buy for ₹1176?

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