Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 402 · 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. 1.6 painters can paint a school in 21 days. How many days would 7 painters take, working at the same speed?
2. 2.If 10 erasers cost ₹40, how much do 17 erasers cost (in ₹)?
3. 3.A car goes 200 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
4. 4.If 5 kg of rice costs ₹440, how many kg can you buy for ₹792?
5. 5.A car goes 76 km on 4 litres of petrol. How far can it go on 3 litres (in km)?
6. 6.If 7 kg of rice costs ₹294, how many kg can you buy for ₹126?
7. 7.If 6 mangoes cost ₹246, how much do 4 mangoes cost (in ₹)?
8. 8.A car goes 64 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
9. 9.If 12 mangoes cost ₹492, how much do 3 mangoes cost (in ₹)?
10. 10.A car goes 126 km on 6 litres of petrol. How far can it go on 9 litres (in km)?
11. 11.If 4 kg of rice costs ₹272, how many kg can you buy for ₹612?
12. 12.If 5 pens cost ₹180, how much do 9 pens cost (in ₹)?
13. 13.If 6 bottles of juice cost ₹360, how much do 9 bottles of juice cost (in ₹)?
14. 14.5 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
15. 15.A car goes 91 km on 7 litres of petrol. How far can it go on 12 litres (in km)?
16. 16.A car goes 65 km on 5 litres of petrol. How far can it go on 12 litres (in km)?
17. 17.A car goes 16 km on 2 litres of petrol. How far can it go on 13 litres (in km)?
18. 18.12 painters can paint a school in 30 days. How many days would 10 painters take, working at the same speed?
19. 19.11 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
20. 20.If 2 kg of rice costs ₹126, how many kg can you buy for ₹945?
21. 21.If 2 kg of rice costs ₹80, how many kg can you buy for ₹160?
22. 22.A car goes 45 km on 5 litres of petrol. How far can it go on 40 litres (in km)?
23. 23.A hostel has enough food for 11 students for 23 days. How many days will the same food last for 23 students?
24. 24.If 5 cricket balls cost ₹245, how much do 9 cricket balls cost (in ₹)?
25. 25.If 3 kg of rice costs ₹111, how many kg can you buy for ₹444?
26. 26.8 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
27. 27.2 painters can paint a school in 15 days. How many days would 10 painters take, working at the same speed?
28. 28.If 5 kg of rice costs ₹215, how many kg can you buy for ₹645?
29. 29.A car goes 50 km on 5 litres of petrol. How far can it go on 26 litres (in km)?
30. 30.A hostel has enough food for 2 students for 23 days. How many days will the same food last for 23 students?
31. 31.12 painters can paint a school in 25 days. How many days would 20 painters take, working at the same speed?
32. 32.If 7 kg of rice costs ₹336, how many kg can you buy for ₹288?
33. 33.A car goes 26 km on 2 litres of petrol. How far can it go on 20 litres (in km)?
34. 34.A car goes 132 km on 6 litres of petrol. How far can it go on 21 litres (in km)?
35. 35.If 5 bottles of juice cost ₹30, how much do 18 bottles of juice cost (in ₹)?
36. 36.A car goes 171 km on 9 litres of petrol. How far can it go on 39 litres (in km)?
37. 37.A hostel has enough food for 12 students for 25 days. How many days will the same food last for 20 students?
38. 38.If 6 kg of rice costs ₹348, how many kg can you buy for ₹754?
39. 39.If 3 erasers cost ₹162, how much do 11 erasers cost (in ₹)?
40. 40.If 9 pencil boxes cost ₹333, how much do 10 pencil boxes cost (in ₹)?

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