Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 70 · 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 22 km on 2 litres of petrol. How far can it go on 16 litres (in km)?
2. 2.A hostel has enough food for 9 students for 7 days. How many days will the same food last for 7 students?
3. 3.10 painters can paint a school in 28 days. How many days would 8 painters take, working at the same speed?
4. 4.A car goes 75 km on 5 litres of petrol. How far can it go on 36 litres (in km)?
5. 5.A car goes 192 km on 12 litres of petrol. How far can it go on 39 litres (in km)?
6. 6.A car goes 80 km on 8 litres of petrol. How far can it go on 2 litres (in km)?
7. 7.A hostel has enough food for 11 students for 30 days. How many days will the same food last for 15 students?
8. 8.2 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
9. 9.If 7 kg of rice costs ₹385, how many kg can you buy for ₹660?
10. 10.If 3 notebooks cost ₹168, how much do 14 notebooks cost (in ₹)?
11. 11.A car goes 120 km on 5 litres of petrol. How far can it go on 15 litres (in km)?
12. 12.A car goes 72 km on 8 litres of petrol. How far can it go on 7 litres (in km)?
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.If 4 cricket balls cost ₹140, how much do 16 cricket balls cost (in ₹)?
15. 15.If 4 notebooks cost ₹128, how much do 19 notebooks cost (in ₹)?
16. 16.If 9 kg of rice costs ₹810, how many kg can you buy for ₹990?
17. 17.If 3 notebooks cost ₹90, how much do 6 notebooks cost (in ₹)?
18. 18.If 10 notebooks cost ₹330, how much do 9 notebooks cost (in ₹)?
19. 19.A car goes 200 km on 10 litres of petrol. How far can it go on 21 litres (in km)?
20. 20.9 painters can paint a school in 25 days. How many days would 15 painters take, working at the same speed?
21. 21.If 8 cricket balls cost ₹144, how much do 17 cricket balls cost (in ₹)?
22. 22.A car goes 153 km on 9 litres of petrol. How far can it go on 4 litres (in km)?
23. 23.A car goes 24 km on 3 litres of petrol. How far can it go on 24 litres (in km)?
24. 24.10 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?
25. 25.3 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
26. 26.A car goes 170 km on 10 litres of petrol. How far can it go on 22 litres (in km)?
27. 27.If 4 kg of rice costs ₹124, how many kg can you buy for ₹186?
28. 28.10 painters can paint a school in 23 days. How many days would 5 painters take, working at the same speed?
29. 29.If 6 kg of rice costs ₹150, how many kg can you buy for ₹50?
30. 30.If 12 cricket balls cost ₹48, how much do 16 cricket balls cost (in ₹)?
31. 31.If 5 pens cost ₹120, how much do 18 pens cost (in ₹)?
32. 32.A car goes 138 km on 6 litres of petrol. How far can it go on 12 litres (in km)?
33. 33.A hostel has enough food for 7 students for 6 days. How many days will the same food last for 2 students?
34. 34.A car goes 44 km on 4 litres of petrol. How far can it go on 10 litres (in km)?
35. 35.A car goes 26 km on 2 litres of petrol. How far can it go on 12 litres (in km)?
36. 36.A car goes 161 km on 7 litres of petrol. How far can it go on 13 litres (in km)?
37. 37.A hostel has enough food for 3 students for 24 days. How many days will the same food last for 18 students?
38. 38.A car goes 264 km on 12 litres of petrol. How far can it go on 21 litres (in km)?
39. 39.If 6 kg of rice costs ₹216, how many kg can you buy for ₹504?
40. 40.If 9 bottles of juice cost ₹162, how much do 16 bottles of juice cost (in ₹)?

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