Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 1 · 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. 1.3 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
2. 2.If 2 kg of rice costs ₹168, how many kg can you buy for ₹756?
3. 3.6 painters can paint a school in 25 days. How many days would 3 painters take, working at the same speed?
4. 4.A hostel has enough food for 5 students for 7 days. How many days will the same food last for 7 students?
5. 5.If 6 kg of rice costs ₹228, how many kg can you buy for ₹76?
6. 6.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
7. 7.A car goes 75 km on 5 litres of petrol. How far can it go on 26 litres (in km)?
8. 8.If 4 kg of rice costs ₹316, how many kg can you buy for ₹158?
9. 9.If 8 erasers cost ₹312, how much do 5 erasers cost (in ₹)?
10. 10.10 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
11. 11.If 10 kites cost ₹100, how much do 2 kites cost (in ₹)?
12. 12.If 9 pencil boxes cost ₹126, how much do 11 pencil boxes cost (in ₹)?
13. 13.A car goes 40 km on 2 litres of petrol. How far can it go on 9 litres (in km)?
14. 14.If 6 kg of rice costs ₹222, how many kg can you buy for ₹333?
15. 15.If 5 mangoes cost ₹30, how much do 14 mangoes cost (in ₹)?
16. 16.A hostel has enough food for 10 students for 15 days. How many days will the same food last for 15 students?
17. 17.A car goes 60 km on 5 litres of petrol. How far can it go on 6 litres (in km)?
18. 18.If 4 kg of rice costs ₹120, how many kg can you buy for ₹210?
19. 19.If 7 kg of rice costs ₹455, how many kg can you buy for ₹130?
20. 20.If 5 kg of rice costs ₹180, how many kg can you buy for ₹468?
21. 21.If 2 kg of rice costs ₹100, how many kg can you buy for ₹700?
22. 22.If 6 kg of rice costs ₹168, how many kg can you buy for ₹420?
23. 23.9 painters can paint a school in 10 days. How many days would 10 painters take, working at the same speed?
24. 24.If 9 pens cost ₹522, how much do 6 pens cost (in ₹)?
25. 25.If 2 pencil boxes cost ₹108, how much do 11 pencil boxes cost (in ₹)?
26. 26.If 2 kg of rice costs ₹136, how many kg can you buy for ₹408?
27. 27.A car goes 32 km on 2 litres of petrol. How far can it go on 14 litres (in km)?
28. 28.6 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
29. 29.If 10 pens cost ₹260, how much do 6 pens cost (in ₹)?
30. 30.If 8 bottles of juice cost ₹56, how much do 18 bottles of juice cost (in ₹)?
31. 31.If 7 notebooks cost ₹231, how much do 17 notebooks cost (in ₹)?
32. 32.A car goes 44 km on 4 litres of petrol. How far can it go on 38 litres (in km)?
33. 33.If 8 kg of rice costs ₹248, how many kg can you buy for ₹62?
34. 34.A hostel has enough food for 9 students for 26 days. How many days will the same food last for 18 students?
35. 35.If 11 pencil boxes cost ₹627, how much do 4 pencil boxes cost (in ₹)?
36. 36.A hostel has enough food for 7 students for 24 days. How many days will the same food last for 4 students?
37. 37.A hostel has enough food for 12 students for 5 days. How many days will the same food last for 3 students?
38. 38.9 painters can paint a school in 30 days. How many days would 6 painters take, working at the same speed?
39. 39.9 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
40. 40.A car goes 143 km on 11 litres of petrol. How far can it go on 5 litres (in km)?

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