Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 244 · 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 52 km on 4 litres of petrol. How far can it go on 9 litres (in km)?
2. 2.7 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
3. 3.A car goes 250 km on 10 litres of petrol. How far can it go on 19 litres (in km)?
4. 4.A car goes 112 km on 7 litres of petrol. How far can it go on 3 litres (in km)?
5. 5.If 9 cricket balls cost ₹63, how much do 3 cricket balls cost (in ₹)?
6. 6.If 3 notebooks cost ₹60, how much do 20 notebooks cost (in ₹)?
7. 7.A car goes 176 km on 8 litres of petrol. How far can it go on 28 litres (in km)?
8. 8.A car goes 264 km on 11 litres of petrol. How far can it go on 7 litres (in km)?
9. 9.If 2 kg of rice costs ₹120, how many kg can you buy for ₹480?
10. 10.A car goes 56 km on 4 litres of petrol. How far can it go on 16 litres (in km)?
11. 11.If 4 kg of rice costs ₹220, how many kg can you buy for ₹550?
12. 12.A car goes 210 km on 10 litres of petrol. How far can it go on 7 litres (in km)?
13. 13.If 7 kg of rice costs ₹189, how many kg can you buy for ₹378?
14. 14.A car goes 132 km on 6 litres of petrol. How far can it go on 31 litres (in km)?
15. 15.If 9 notebooks cost ₹468, how much do 17 notebooks cost (in ₹)?
16. 16.A car goes 121 km on 11 litres of petrol. How far can it go on 34 litres (in km)?
17. 17.3 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
18. 18.If 6 kg of rice costs ₹330, how many kg can you buy for ₹715?
19. 19.7 painters can paint a school in 18 days. How many days would 21 painters take, working at the same speed?
20. 20.If 3 kg of rice costs ₹147, how many kg can you buy for ₹588?
21. 21.If 10 pens cost ₹50, how much do 17 pens cost (in ₹)?
22. 22.If 11 bottles of juice cost ₹605, how much do 13 bottles of juice cost (in ₹)?
23. 23.If 3 kg of rice costs ₹117, how many kg can you buy for ₹507?
24. 24.A hostel has enough food for 11 students for 19 days. How many days will the same food last for 19 students?
25. 25.A hostel has enough food for 9 students for 16 days. How many days will the same food last for 16 students?
26. 26.A car goes 120 km on 6 litres of petrol. How far can it go on 29 litres (in km)?
27. 27.If 2 kites cost ₹82, how much do 4 kites cost (in ₹)?
28. 28.A car goes 120 km on 10 litres of petrol. How far can it go on 3 litres (in km)?
29. 29.If 4 kites cost ₹156, how much do 8 kites cost (in ₹)?
30. 30.If 6 bottles of juice cost ₹222, how much do 2 bottles of juice cost (in ₹)?
31. 31.If 3 notebooks cost ₹57, how much do 14 notebooks cost (in ₹)?
32. 32.If 11 mangoes cost ₹429, how much do 20 mangoes cost (in ₹)?
33. 33.A hostel has enough food for 8 students for 25 days. How many days will the same food last for 5 students?
34. 34.If 10 pens cost ₹580, how much do 11 pens cost (in ₹)?
35. 35.If 11 notebooks cost ₹539, how much do 9 notebooks cost (in ₹)?
36. 36.If 8 kg of rice costs ₹352, how many kg can you buy for ₹440?
37. 37.If 5 mangoes cost ₹70, how much do 10 mangoes cost (in ₹)?
38. 38.If 4 kg of rice costs ₹340, how many kg can you buy for ₹765?
39. 39.8 painters can paint a school in 12 days. How many days would 12 painters take, working at the same speed?
40. 40.7 painters can paint a school in 12 days. How many days would 21 painters take, working at the same speed?

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