Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 282 · 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 264 km on 11 litres of petrol. How far can it go on 14 litres (in km)?
2. 2.A hostel has enough food for 9 students for 19 days. How many days will the same food last for 3 students?
3. 3.A hostel has enough food for 2 students for 8 days. How many days will the same food last for 8 students?
4. 4.A hostel has enough food for 5 students for 17 days. How many days will the same food last for 17 students?
5. 5.A car goes 96 km on 4 litres of petrol. How far can it go on 12 litres (in km)?
6. 6.A car goes 20 km on 2 litres of petrol. How far can it go on 16 litres (in km)?
7. 7.If 2 kg of rice costs ₹76, how many kg can you buy for ₹114?
8. 8.If 2 erasers cost ₹16, how much do 3 erasers cost (in ₹)?
9. 9.A car goes 57 km on 3 litres of petrol. How far can it go on 11 litres (in km)?
10. 10.If 4 kg of rice costs ₹248, how many kg can you buy for ₹744?
11. 11.If 5 mangoes cost ₹225, how much do 9 mangoes cost (in ₹)?
12. 12.If 7 pens cost ₹399, how much do 15 pens cost (in ₹)?
13. 13.A car goes 76 km on 4 litres of petrol. How far can it go on 16 litres (in km)?
14. 14.If 8 pens cost ₹160, how much do 15 pens cost (in ₹)?
15. 15.A car goes 24 km on 2 litres of petrol. How far can it go on 8 litres (in km)?
16. 16.If 4 kg of rice costs ₹124, how many kg can you buy for ₹341?
17. 17.A car goes 228 km on 12 litres of petrol. How far can it go on 19 litres (in km)?
18. 18.A car goes 231 km on 11 litres of petrol. How far can it go on 17 litres (in km)?
19. 19.2 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
20. 20.If 11 notebooks cost ₹198, how much do 3 notebooks cost (in ₹)?
21. 21.If 5 kg of rice costs ₹180, how many kg can you buy for ₹288?
22. 22.If 3 kg of rice costs ₹162, how many kg can you buy for ₹108?
23. 23.If 6 notebooks cost ₹36, how much do 16 notebooks cost (in ₹)?
24. 24.A car goes 75 km on 3 litres of petrol. How far can it go on 11 litres (in km)?
25. 25.If 7 pens cost ₹119, how much do 10 pens cost (in ₹)?
26. 26.If 3 cricket balls cost ₹159, how much do 13 cricket balls cost (in ₹)?
27. 27.If 3 pencil boxes cost ₹39, how much do 4 pencil boxes cost (in ₹)?
28. 28.If 4 kg of rice costs ₹120, how many kg can you buy for ₹90?
29. 29.If 4 erasers cost ₹160, how much do 17 erasers cost (in ₹)?
30. 30.A hostel has enough food for 8 students for 6 days. How many days will the same food last for 6 students?
31. 31.2 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
32. 32.9 painters can paint a school in 18 days. How many days would 18 painters take, working at the same speed?
33. 33.A hostel has enough food for 10 students for 13 days. How many days will the same food last for 13 students?
34. 34.If 4 kg of rice costs ₹120, how many kg can you buy for ₹210?
35. 35.A car goes 168 km on 8 litres of petrol. How far can it go on 5 litres (in km)?
36. 36.If 2 pens cost ₹106, how much do 10 pens cost (in ₹)?
37. 37.A car goes 200 km on 8 litres of petrol. How far can it go on 2 litres (in km)?
38. 38.9 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
39. 39.A car goes 175 km on 7 litres of petrol. How far can it go on 35 litres (in km)?
40. 40.A car goes 176 km on 8 litres of petrol. How far can it go on 30 litres (in km)?

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