Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 537 · 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 hostel has enough food for 10 students for 8 days. How many days will the same food last for 16 students?
2. 2.A car goes 36 km on 2 litres of petrol. How far can it go on 12 litres (in km)?
3. 3.A car goes 48 km on 4 litres of petrol. How far can it go on 33 litres (in km)?
4. 4.A hostel has enough food for 3 students for 11 days. How many days will the same food last for 11 students?
5. 5.7 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
6. 6.A car goes 27 km on 3 litres of petrol. How far can it go on 6 litres (in km)?
7. 7.If 5 bottles of juice cost ₹30, how much do 2 bottles of juice cost (in ₹)?
8. 8.If 6 cricket balls cost ₹294, how much do 3 cricket balls cost (in ₹)?
9. 9.If 6 kg of rice costs ₹162, how many kg can you buy for ₹297?
10. 10.11 painters can paint a school in 18 days. How many days would 6 painters take, working at the same speed?
11. 11.10 painters can paint a school in 6 days. How many days would 5 painters take, working at the same speed?
12. 12.If 2 pens cost ₹76, how much do 4 pens cost (in ₹)?
13. 13.A car goes 192 km on 12 litres of petrol. How far can it go on 31 litres (in km)?
14. 14.If 7 kg of rice costs ₹469, how many kg can you buy for ₹536?
15. 15.If 8 erasers cost ₹376, how much do 13 erasers cost (in ₹)?
16. 16.If 9 pens cost ₹81, how much do 14 pens cost (in ₹)?
17. 17.If 3 notebooks cost ₹21, how much do 5 notebooks cost (in ₹)?
18. 18.12 painters can paint a school in 24 days. How many days would 6 painters take, working at the same speed?
19. 19.A car goes 72 km on 6 litres of petrol. How far can it go on 8 litres (in km)?
20. 20.A car goes 64 km on 8 litres of petrol. How far can it go on 13 litres (in km)?
21. 21.If 7 kg of rice costs ₹154, how many kg can you buy for ₹88?
22. 22.If 5 erasers cost ₹40, how much do 7 erasers cost (in ₹)?
23. 23.A hostel has enough food for 2 students for 11 days. How many days will the same food last for 11 students?
24. 24.If 6 kg of rice costs ₹216, how many kg can you buy for ₹108?
25. 25.If 11 pens cost ₹88, how much do 4 pens cost (in ₹)?
26. 26.8 painters can paint a school in 19 days. How many days would 4 painters take, working at the same speed?
27. 27.A hostel has enough food for 5 students for 28 days. How many days will the same food last for 10 students?
28. 28.If 4 kg of rice costs ₹172, how many kg can you buy for ₹129?
29. 29.A car goes 24 km on 2 litres of petrol. How far can it go on 18 litres (in km)?
30. 30.If 2 mangoes cost ₹72, how much do 11 mangoes cost (in ₹)?
31. 31.If 2 bottles of juice cost ₹42, how much do 20 bottles of juice cost (in ₹)?
32. 32.A car goes 156 km on 12 litres of petrol. How far can it go on 20 litres (in km)?
33. 33.A car goes 168 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
34. 34.9 painters can paint a school in 12 days. How many days would 2 painters take, working at the same speed?
35. 35.If 3 erasers cost ₹24, how much do 2 erasers cost (in ₹)?
36. 36.2 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
37. 37.A hostel has enough food for 4 students for 25 days. How many days will the same food last for 20 students?
38. 38.If 3 kg of rice costs ₹141, how many kg can you buy for ₹658?
39. 39.A car goes 60 km on 4 litres of petrol. How far can it go on 6 litres (in km)?
40. 40.9 painters can paint a school in 14 days. How many days would 18 painters take, working at the same speed?

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