Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 228 · 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. 1.2 painters can paint a school in 30 days. How many days would 3 painters take, working at the same speed?
2. 2.A car goes 98 km on 7 litres of petrol. How far can it go on 30 litres (in km)?
3. 3.A hostel has enough food for 3 students for 18 days. How many days will the same food last for 2 students?
4. 4.If 8 kg of rice costs ₹168, how many kg can you buy for ₹273?
5. 5.If 2 kites cost ₹120, how much do 5 kites cost (in ₹)?
6. 6.If 10 cricket balls cost ₹220, how much do 7 cricket balls cost (in ₹)?
7. 7.If 12 mangoes cost ₹228, how much do 3 mangoes cost (in ₹)?
8. 8.If 6 kg of rice costs ₹360, how many kg can you buy for ₹120?
9. 9.12 painters can paint a school in 18 days. How many days would 24 painters take, working at the same speed?
10. 10.A hostel has enough food for 8 students for 19 days. How many days will the same food last for 4 students?
11. 11.If 11 notebooks cost ₹154, how much do 12 notebooks cost (in ₹)?
12. 12.If 9 pencil boxes cost ₹234, how much do 7 pencil boxes cost (in ₹)?
13. 13.A car goes 40 km on 4 litres of petrol. How far can it go on 17 litres (in km)?
14. 14.A hostel has enough food for 9 students for 19 days. How many days will the same food last for 19 students?
15. 15.If 7 kg of rice costs ₹196, how many kg can you buy for ₹364?
16. 16.A car goes 72 km on 9 litres of petrol. How far can it go on 29 litres (in km)?
17. 17.If 4 kg of rice costs ₹108, how many kg can you buy for ₹216?
18. 18.If 8 erasers cost ₹432, how much do 16 erasers cost (in ₹)?
19. 19.A hostel has enough food for 2 students for 27 days. How many days will the same food last for 3 students?
20. 20.If 3 kg of rice costs ₹183, how many kg can you buy for ₹244?
21. 21.A car goes 228 km on 12 litres of petrol. How far can it go on 39 litres (in km)?
22. 22.If 2 kg of rice costs ₹50, how many kg can you buy for ₹200?
23. 23.A car goes 96 km on 4 litres of petrol. How far can it go on 12 litres (in km)?
24. 24.A car goes 132 km on 12 litres of petrol. How far can it go on 2 litres (in km)?
25. 25.A car goes 72 km on 9 litres of petrol. How far can it go on 7 litres (in km)?
26. 26.A car goes 36 km on 4 litres of petrol. How far can it go on 29 litres (in km)?
27. 27.A car goes 55 km on 5 litres of petrol. How far can it go on 18 litres (in km)?
28. 28.2 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?
29. 29.A car goes 63 km on 3 litres of petrol. How far can it go on 32 litres (in km)?
30. 30.If 8 kg of rice costs ₹608, how many kg can you buy for ₹684?
31. 31.If 6 cricket balls cost ₹300, how much do 9 cricket balls cost (in ₹)?
32. 32.If 2 kg of rice costs ₹122, how many kg can you buy for ₹244?
33. 33.A car goes 56 km on 4 litres of petrol. How far can it go on 16 litres (in km)?
34. 34.If 9 kg of rice costs ₹513, how many kg can you buy for ₹570?
35. 35.If 4 kg of rice costs ₹252, how many kg can you buy for ₹945?
36. 36.4 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
37. 37.A hostel has enough food for 10 students for 28 days. How many days will the same food last for 5 students?
38. 38.If 6 notebooks cost ₹180, how much do 18 notebooks cost (in ₹)?
39. 39.10 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
40. 40.5 painters can paint a school in 4 days. How many days would 10 painters take, working at the same speed?

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