Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 355 · 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. 1.10 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
2. 2.If 9 kg of rice costs ₹216, how many kg can you buy for ₹168?
3. 3.If 6 kg of rice costs ₹276, how many kg can you buy for ₹414?
4. 4.If 3 kg of rice costs ₹249, how many kg can you buy for ₹332?
5. 5.A car goes 88 km on 8 litres of petrol. How far can it go on 35 litres (in km)?
6. 6.A hostel has enough food for 2 students for 27 days. How many days will the same food last for 3 students?
7. 7.If 10 kites cost ₹370, how much do 8 kites cost (in ₹)?
8. 8.5 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
9. 9.7 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
10. 10.If 4 mangoes cost ₹60, how much do 11 mangoes cost (in ₹)?
11. 11.If 9 kites cost ₹243, how much do 3 kites cost (in ₹)?
12. 12.If 2 kg of rice costs ₹130, how many kg can you buy for ₹975?
13. 13.A hostel has enough food for 2 students for 7 days. How many days will the same food last for 7 students?
14. 14.If 4 kg of rice costs ₹160, how many kg can you buy for ₹280?
15. 15.If 9 erasers cost ₹459, how much do 10 erasers cost (in ₹)?
16. 16.If 2 cricket balls cost ₹48, how much do 9 cricket balls cost (in ₹)?
17. 17.3 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
18. 18.If 9 cricket balls cost ₹414, how much do 7 cricket balls cost (in ₹)?
19. 19.If 9 kites cost ₹360, how much do 11 kites cost (in ₹)?
20. 20.If 7 kg of rice costs ₹217, how many kg can you buy for ₹124?
21. 21.A car goes 105 km on 7 litres of petrol. How far can it go on 34 litres (in km)?
22. 22.If 5 cricket balls cost ₹80, how much do 11 cricket balls cost (in ₹)?
23. 23.A hostel has enough food for 4 students for 8 days. How many days will the same food last for 8 students?
24. 24.If 5 kg of rice costs ₹395, how many kg can you buy for ₹869?
25. 25.A car goes 65 km on 5 litres of petrol. How far can it go on 14 litres (in km)?
26. 26.A car goes 144 km on 6 litres of petrol. How far can it go on 5 litres (in km)?
27. 27.12 painters can paint a school in 14 days. How many days would 6 painters take, working at the same speed?
28. 28.A hostel has enough food for 6 students for 22 days. How many days will the same food last for 22 students?
29. 29.A car goes 60 km on 3 litres of petrol. How far can it go on 26 litres (in km)?
30. 30.6 painters can paint a school in 19 days. How many days would 3 painters take, working at the same speed?
31. 31.If 8 notebooks cost ₹464, how much do 10 notebooks cost (in ₹)?
32. 32.If 3 kg of rice costs ₹141, how many kg can you buy for ₹423?
33. 33.A car goes 18 km on 2 litres of petrol. How far can it go on 40 litres (in km)?
34. 34.If 2 notebooks cost ₹10, how much do 8 notebooks cost (in ₹)?
35. 35.A hostel has enough food for 12 students for 29 days. How many days will the same food last for 6 students?
36. 36.If 5 mangoes cost ₹15, how much do 2 mangoes cost (in ₹)?
37. 37.If 3 kg of rice costs ₹123, how many kg can you buy for ₹164?
38. 38.If 6 kg of rice costs ₹522, how many kg can you buy for ₹957?
39. 39.5 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
40. 40.If 5 pencil boxes cost ₹200, how much do 6 pencil boxes cost (in ₹)?

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