Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 311 · 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 100 km on 5 litres of petrol. How far can it go on 11 litres (in km)?
2. 2.If 4 kites cost ₹220, how much do 14 kites cost (in ₹)?
3. 3.If 10 pencil boxes cost ₹570, how much do 18 pencil boxes cost (in ₹)?
4. 4.A car goes 28 km on 2 litres of petrol. How far can it go on 12 litres (in km)?
5. 5.If 10 erasers cost ₹220, how much do 7 erasers cost (in ₹)?
6. 6.A car goes 84 km on 4 litres of petrol. How far can it go on 32 litres (in km)?
7. 7.If 9 bottles of juice cost ₹180, how much do 7 bottles of juice cost (in ₹)?
8. 8.A car goes 72 km on 3 litres of petrol. How far can it go on 32 litres (in km)?
9. 9.9 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
10. 10.A hostel has enough food for 9 students for 24 days. How many days will the same food last for 18 students?
11. 11.A car goes 56 km on 7 litres of petrol. How far can it go on 2 litres (in km)?
12. 12.4 painters can paint a school in 20 days. How many days would 10 painters take, working at the same speed?
13. 13.A car goes 175 km on 7 litres of petrol. How far can it go on 38 litres (in km)?
14. 14.A car goes 125 km on 5 litres of petrol. How far can it go on 6 litres (in km)?
15. 15.6 painters can paint a school in 9 days. How many days would 2 painters take, working at the same speed?
16. 16.A car goes 45 km on 3 litres of petrol. How far can it go on 28 litres (in km)?
17. 17.12 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
18. 18.If 3 pencil boxes cost ₹24, how much do 2 pencil boxes cost (in ₹)?
19. 19.If 3 kg of rice costs ₹243, how many kg can you buy for ₹405?
20. 20.A car goes 150 km on 10 litres of petrol. How far can it go on 28 litres (in km)?
21. 21.If 2 bottles of juice cost ₹66, how much do 14 bottles of juice cost (in ₹)?
22. 22.If 2 kg of rice costs ₹162, how many kg can you buy for ₹567?
23. 23.If 3 kg of rice costs ₹63, how many kg can you buy for ₹210?
24. 24.If 7 notebooks cost ₹406, how much do 13 notebooks cost (in ₹)?
25. 25.If 4 erasers cost ₹160, how much do 7 erasers cost (in ₹)?
26. 26.If 9 kg of rice costs ₹657, how many kg can you buy for ₹730?
27. 27.A hostel has enough food for 6 students for 20 days. How many days will the same food last for 15 students?
28. 28.A car goes 32 km on 2 litres of petrol. How far can it go on 19 litres (in km)?
29. 29.8 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
30. 30.If 10 erasers cost ₹310, how much do 17 erasers cost (in ₹)?
31. 31.A hostel has enough food for 3 students for 10 days. How many days will the same food last for 5 students?
32. 32.If 8 cricket balls cost ₹64, how much do 13 cricket balls cost (in ₹)?
33. 33.A hostel has enough food for 3 students for 12 days. How many days will the same food last for 9 students?
34. 34.A car goes 117 km on 9 litres of petrol. How far can it go on 5 litres (in km)?
35. 35.11 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
36. 36.If 5 kg of rice costs ₹250, how many kg can you buy for ₹150?
37. 37.If 12 mangoes cost ₹420, how much do 20 mangoes cost (in ₹)?
38. 38.If 4 pencil boxes cost ₹60, how much do 5 pencil boxes cost (in ₹)?
39. 39.A hostel has enough food for 3 students for 24 days. How many days will the same food last for 2 students?
40. 40.If 5 erasers cost ₹275, how much do 12 erasers cost (in ₹)?

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