Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 432 · 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 80 km on 4 litres of petrol. How far can it go on 26 litres (in km)?
2. 2.If 10 erasers cost ₹300, how much do 18 erasers cost (in ₹)?
3. 3.3 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
4. 4.If 3 kg of rice costs ₹207, how many kg can you buy for ₹138?
5. 5.If 5 cricket balls cost ₹285, how much do 15 cricket balls cost (in ₹)?
6. 6.A car goes 40 km on 4 litres of petrol. How far can it go on 31 litres (in km)?
7. 7.If 11 bottles of juice cost ₹55, how much do 13 bottles of juice cost (in ₹)?
8. 8.A car goes 240 km on 12 litres of petrol. How far can it go on 16 litres (in km)?
9. 9.A hostel has enough food for 4 students for 25 days. How many days will the same food last for 20 students?
10. 10.If 2 cricket balls cost ₹30, how much do 19 cricket balls cost (in ₹)?
11. 11.A hostel has enough food for 7 students for 10 days. How many days will the same food last for 10 students?
12. 12.If 3 cricket balls cost ₹174, how much do 19 cricket balls cost (in ₹)?
13. 13.A car goes 180 km on 9 litres of petrol. How far can it go on 36 litres (in km)?
14. 14.9 painters can paint a school in 11 days. How many days would 3 painters take, working at the same speed?
15. 15.If 6 bottles of juice cost ₹30, how much do 15 bottles of juice cost (in ₹)?
16. 16.If 9 pens cost ₹243, how much do 2 pens cost (in ₹)?
17. 17.If 9 kg of rice costs ₹243, how many kg can you buy for ₹162?
18. 18.A car goes 90 km on 5 litres of petrol. How far can it go on 24 litres (in km)?
19. 19.A car goes 108 km on 12 litres of petrol. How far can it go on 11 litres (in km)?
20. 20.If 10 notebooks cost ₹70, how much do 20 notebooks cost (in ₹)?
21. 21.If 9 kg of rice costs ₹783, how many kg can you buy for ₹870?
22. 22.A hostel has enough food for 5 students for 12 days. How many days will the same food last for 2 students?
23. 23.If 7 kites cost ₹322, how much do 6 kites cost (in ₹)?
24. 24.A car goes 51 km on 3 litres of petrol. How far can it go on 17 litres (in km)?
25. 25.If 12 cricket balls cost ₹636, how much do 2 cricket balls cost (in ₹)?
26. 26.If 9 bottles of juice cost ₹45, how much do 12 bottles of juice cost (in ₹)?
27. 27.A hostel has enough food for 11 students for 18 days. How many days will the same food last for 6 students?
28. 28.If 11 bottles of juice cost ₹187, how much do 20 bottles of juice cost (in ₹)?
29. 29.A car goes 28 km on 2 litres of petrol. How far can it go on 32 litres (in km)?
30. 30.A car goes 300 km on 12 litres of petrol. How far can it go on 4 litres (in km)?
31. 31.If 4 kg of rice costs ₹168, how many kg can you buy for ₹504?
32. 32.If 2 pencil boxes cost ₹70, how much do 7 pencil boxes cost (in ₹)?
33. 33.If 2 kg of rice costs ₹176, how many kg can you buy for ₹440?
34. 34.A hostel has enough food for 6 students for 24 days. How many days will the same food last for 3 students?
35. 35.A car goes 16 km on 2 litres of petrol. How far can it go on 39 litres (in km)?
36. 36.A car goes 32 km on 4 litres of petrol. How far can it go on 26 litres (in km)?
37. 37.If 12 erasers cost ₹240, how much do 9 erasers cost (in ₹)?
38. 38.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
39. 39.A car goes 147 km on 7 litres of petrol. How far can it go on 35 litres (in km)?
40. 40.If 8 cricket balls cost ₹72, how much do 2 cricket balls cost (in ₹)?

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