Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 385 · 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 69 km on 3 litres of petrol. How far can it go on 23 litres (in km)?
2. 2.A car goes 32 km on 4 litres of petrol. How far can it go on 7 litres (in km)?
3. 3.A hostel has enough food for 8 students for 5 days. How many days will the same food last for 2 students?
4. 4.If 8 kg of rice costs ₹640, how many kg can you buy for ₹400?
5. 5.A car goes 250 km on 10 litres of petrol. How far can it go on 27 litres (in km)?
6. 6.If 4 cricket balls cost ₹172, how much do 8 cricket balls cost (in ₹)?
7. 7.A car goes 75 km on 3 litres of petrol. How far can it go on 36 litres (in km)?
8. 8.A car goes 27 km on 3 litres of petrol. How far can it go on 7 litres (in km)?
9. 9.If 3 bottles of juice cost ₹147, how much do 13 bottles of juice cost (in ₹)?
10. 10.A hostel has enough food for 12 students for 13 days. How many days will the same food last for 6 students?
11. 11.9 painters can paint a school in 7 days. How many days would 21 painters take, working at the same speed?
12. 12.4 painters can paint a school in 24 days. How many days would 3 painters take, working at the same speed?
13. 13.A car goes 48 km on 4 litres of petrol. How far can it go on 31 litres (in km)?
14. 14.If 8 pencil boxes cost ₹176, how much do 13 pencil boxes cost (in ₹)?
15. 15.A car goes 32 km on 4 litres of petrol. How far can it go on 31 litres (in km)?
16. 16.If 8 kg of rice costs ₹592, how many kg can you buy for ₹814?
17. 17.If 6 kg of rice costs ₹348, how many kg can you buy for ₹290?
18. 18.A car goes 225 km on 9 litres of petrol. How far can it go on 3 litres (in km)?
19. 19.A car goes 42 km on 2 litres of petrol. How far can it go on 34 litres (in km)?
20. 20.A car goes 192 km on 12 litres of petrol. How far can it go on 38 litres (in km)?
21. 21.11 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
22. 22.A hostel has enough food for 6 students for 5 days. How many days will the same food last for 2 students?
23. 23.If 4 kg of rice costs ₹296, how many kg can you buy for ₹592?
24. 24.A car goes 77 km on 7 litres of petrol. How far can it go on 21 litres (in km)?
25. 25.If 7 mangoes cost ₹210, how much do 3 mangoes cost (in ₹)?
26. 26.If 3 kg of rice costs ₹84, how many kg can you buy for ₹196?
27. 27.5 painters can paint a school in 10 days. How many days would 10 painters take, working at the same speed?
28. 28.A car goes 18 km on 2 litres of petrol. How far can it go on 9 litres (in km)?
29. 29.If 6 kg of rice costs ₹282, how many kg can you buy for ₹705?
30. 30.A car goes 132 km on 11 litres of petrol. How far can it go on 28 litres (in km)?
31. 31.If 10 kites cost ₹520, how much do 14 kites cost (in ₹)?
32. 32.If 3 pens cost ₹105, how much do 4 pens cost (in ₹)?
33. 33.If 3 kg of rice costs ₹75, how many kg can you buy for ₹275?
34. 34.A hostel has enough food for 5 students for 13 days. How many days will the same food last for 13 students?
35. 35.A hostel has enough food for 4 students for 27 days. How many days will the same food last for 3 students?
36. 36.A car goes 119 km on 7 litres of petrol. How far can it go on 38 litres (in km)?
37. 37.8 painters can paint a school in 18 days. How many days would 24 painters take, working at the same speed?
38. 38.If 10 cricket balls cost ₹80, how much do 4 cricket balls cost (in ₹)?
39. 39.If 5 kg of rice costs ₹185, how many kg can you buy for ₹111?
40. 40.A hostel has enough food for 5 students for 7 days. How many days will the same food last for 7 students?

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