Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 554 · 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 200 km on 8 litres of petrol. How far can it go on 30 litres (in km)?
2. 2.A car goes 156 km on 12 litres of petrol. How far can it go on 14 litres (in km)?
3. 3.A car goes 128 km on 8 litres of petrol. How far can it go on 7 litres (in km)?
4. 4.If 2 kg of rice costs ₹120, how many kg can you buy for ₹480?
5. 5.If 9 kg of rice costs ₹252, how many kg can you buy for ₹364?
6. 6.If 4 notebooks cost ₹88, how much do 16 notebooks cost (in ₹)?
7. 7.7 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
8. 8.If 5 kg of rice costs ₹165, how many kg can you buy for ₹132?
9. 9.If 4 kg of rice costs ₹228, how many kg can you buy for ₹741?
10. 10.If 9 kg of rice costs ₹225, how many kg can you buy for ₹200?
11. 11.A car goes 216 km on 12 litres of petrol. How far can it go on 19 litres (in km)?
12. 12.If 10 pens cost ₹460, how much do 20 pens cost (in ₹)?
13. 13.6 painters can paint a school in 14 days. How many days would 4 painters take, working at the same speed?
14. 14.A car goes 132 km on 11 litres of petrol. How far can it go on 26 litres (in km)?
15. 15.If 8 kg of rice costs ₹192, how many kg can you buy for ₹240?
16. 16.If 9 kg of rice costs ₹279, how many kg can you buy for ₹465?
17. 17.11 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
18. 18.12 painters can paint a school in 13 days. How many days would 4 painters take, working at the same speed?
19. 19.3 painters can paint a school in 16 days. How many days would 16 painters take, working at the same speed?
20. 20.A hostel has enough food for 7 students for 16 days. How many days will the same food last for 14 students?
21. 21.If 4 pencil boxes cost ₹24, how much do 17 pencil boxes cost (in ₹)?
22. 22.A hostel has enough food for 9 students for 15 days. How many days will the same food last for 5 students?
23. 23.If 6 kg of rice costs ₹138, how many kg can you buy for ₹161?
24. 24.If 4 kg of rice costs ₹120, how many kg can you buy for ₹210?
25. 25.If 12 pens cost ₹144, how much do 20 pens cost (in ₹)?
26. 26.A car goes 95 km on 5 litres of petrol. How far can it go on 16 litres (in km)?
27. 27.3 painters can paint a school in 4 days. How many days would 6 painters take, working at the same speed?
28. 28.A car goes 48 km on 6 litres of petrol. How far can it go on 3 litres (in km)?
29. 29.A hostel has enough food for 10 students for 25 days. How many days will the same food last for 5 students?
30. 30.A hostel has enough food for 7 students for 10 days. How many days will the same food last for 2 students?
31. 31.If 7 kg of rice costs ₹322, how many kg can you buy for ₹92?
32. 32.If 3 kites cost ₹156, how much do 19 kites cost (in ₹)?
33. 33.If 3 mangoes cost ₹18, how much do 8 mangoes cost (in ₹)?
34. 34.A car goes 171 km on 9 litres of petrol. How far can it go on 26 litres (in km)?
35. 35.If 8 kg of rice costs ₹520, how many kg can you buy for ₹585?
36. 36.If 8 kg of rice costs ₹168, how many kg can you buy for ₹42?
37. 37.If 2 kg of rice costs ₹70, how many kg can you buy for ₹280?
38. 38.A car goes 60 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
39. 39.If 10 kites cost ₹250, how much do 4 kites cost (in ₹)?
40. 40.If 7 kg of rice costs ₹329, how many kg can you buy for ₹141?

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