Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 523 · 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 252 km on 12 litres of petrol. How far can it go on 26 litres (in km)?
2. 2.A hostel has enough food for 4 students for 28 days. How many days will the same food last for 16 students?
3. 3.If 9 pens cost ₹477, how much do 3 pens cost (in ₹)?
4. 4.3 painters can paint a school in 20 days. How many days would 20 painters take, working at the same speed?
5. 5.If 3 mangoes cost ₹114, how much do 7 mangoes cost (in ₹)?
6. 6.If 8 cricket balls cost ₹480, how much do 10 cricket balls cost (in ₹)?
7. 7.If 4 kg of rice costs ₹152, how many kg can you buy for ₹532?
8. 8.A car goes 200 km on 10 litres of petrol. How far can it go on 13 litres (in km)?
9. 9.If 2 kg of rice costs ₹44, how many kg can you buy for ₹330?
10. 10.If 5 kg of rice costs ₹295, how many kg can you buy for ₹472?
11. 11.A car goes 110 km on 5 litres of petrol. How far can it go on 40 litres (in km)?
12. 12.A hostel has enough food for 5 students for 13 days. How many days will the same food last for 13 students?
13. 13.7 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
14. 14.A hostel has enough food for 12 students for 16 days. How many days will the same food last for 16 students?
15. 15.If 3 erasers cost ₹60, how much do 20 erasers cost (in ₹)?
16. 16.If 9 kg of rice costs ₹513, how many kg can you buy for ₹342?
17. 17.A hostel has enough food for 7 students for 27 days. How many days will the same food last for 21 students?
18. 18.A car goes 44 km on 4 litres of petrol. How far can it go on 30 litres (in km)?
19. 19.If 7 bottles of juice cost ₹378, how much do 5 bottles of juice cost (in ₹)?
20. 20.11 painters can paint a school in 4 days. How many days would 22 painters take, working at the same speed?
21. 21.A car goes 125 km on 5 litres of petrol. How far can it go on 37 litres (in km)?
22. 22.If 8 kg of rice costs ₹312, how many kg can you buy for ₹390?
23. 23.A car goes 51 km on 3 litres of petrol. How far can it go on 15 litres (in km)?
24. 24.If 8 kg of rice costs ₹264, how many kg can you buy for ₹330?
25. 25.If 9 kg of rice costs ₹558, how many kg can you buy for ₹248?
26. 26.A car goes 40 km on 5 litres of petrol. How far can it go on 30 litres (in km)?
27. 27.A hostel has enough food for 5 students for 10 days. How many days will the same food last for 2 students?
28. 28.If 4 kg of rice costs ₹180, how many kg can you buy for ₹225?
29. 29.If 4 notebooks cost ₹236, how much do 6 notebooks cost (in ₹)?
30. 30.6 painters can paint a school in 18 days. How many days would 9 painters take, working at the same speed?
31. 31.If 4 kg of rice costs ₹188, how many kg can you buy for ₹611?
32. 32.If 11 bottles of juice cost ₹440, how much do 6 bottles of juice cost (in ₹)?
33. 33.If 2 kg of rice costs ₹60, how many kg can you buy for ₹270?
34. 34.A hostel has enough food for 10 students for 25 days. How many days will the same food last for 5 students?
35. 35.If 2 bottles of juice cost ₹74, how much do 10 bottles of juice cost (in ₹)?
36. 36.A car goes 32 km on 2 litres of petrol. How far can it go on 12 litres (in km)?
37. 37.A car goes 96 km on 12 litres of petrol. How far can it go on 39 litres (in km)?
38. 38.If 3 kites cost ₹93, how much do 17 kites cost (in ₹)?
39. 39.8 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
40. 40.A car goes 76 km on 4 litres of petrol. How far can it go on 6 litres (in km)?

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