Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 580 · 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. 1.11 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
2. 2.If 7 kg of rice costs ₹280, how many kg can you buy for ₹360?
3. 3.A car goes 165 km on 11 litres of petrol. How far can it go on 25 litres (in km)?
4. 4.A hostel has enough food for 10 students for 8 days. How many days will the same food last for 8 students?
5. 5.2 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
6. 6.If 4 cricket balls cost ₹96, how much do 11 cricket balls cost (in ₹)?
7. 7.If 2 erasers cost ₹28, how much do 11 erasers cost (in ₹)?
8. 8.A car goes 133 km on 7 litres of petrol. How far can it go on 20 litres (in km)?
9. 9.If 5 kg of rice costs ₹260, how many kg can you buy for ₹468?
10. 10.If 9 kg of rice costs ₹279, how many kg can you buy for ₹217?
11. 11.A car goes 110 km on 5 litres of petrol. How far can it go on 24 litres (in km)?
12. 12.If 9 kg of rice costs ₹225, how many kg can you buy for ₹125?
13. 13.If 12 notebooks cost ₹240, how much do 9 notebooks cost (in ₹)?
14. 14.If 8 pencil boxes cost ₹128, how much do 18 pencil boxes cost (in ₹)?
15. 15.A hostel has enough food for 9 students for 11 days. How many days will the same food last for 11 students?
16. 16.A car goes 125 km on 5 litres of petrol. How far can it go on 10 litres (in km)?
17. 17.8 painters can paint a school in 14 days. How many days would 2 painters take, working at the same speed?
18. 18.If 9 kg of rice costs ₹243, how many kg can you buy for ₹81?
19. 19.If 3 kg of rice costs ₹189, how many kg can you buy for ₹693?
20. 20.If 9 kg of rice costs ₹306, how many kg can you buy for ₹374?
21. 21.A car goes 110 km on 10 litres of petrol. How far can it go on 23 litres (in km)?
22. 22.If 2 kg of rice costs ₹46, how many kg can you buy for ₹69?
23. 23.A car goes 90 km on 5 litres of petrol. How far can it go on 7 litres (in km)?
24. 24.If 2 mangoes cost ₹62, how much do 16 mangoes cost (in ₹)?
25. 25.4 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
26. 26.If 4 pencil boxes cost ₹100, how much do 8 pencil boxes cost (in ₹)?
27. 27.If 5 kg of rice costs ₹295, how many kg can you buy for ₹885?
28. 28.If 6 pencil boxes cost ₹96, how much do 2 pencil boxes cost (in ₹)?
29. 29.A car goes 110 km on 10 litres of petrol. How far can it go on 40 litres (in km)?
30. 30.A car goes 27 km on 3 litres of petrol. How far can it go on 33 litres (in km)?
31. 31.A car goes 154 km on 11 litres of petrol. How far can it go on 19 litres (in km)?
32. 32.A hostel has enough food for 8 students for 23 days. How many days will the same food last for 4 students?
33. 33.If 7 notebooks cost ₹280, how much do 14 notebooks cost (in ₹)?
34. 34.If 4 pencil boxes cost ₹76, how much do 14 pencil boxes cost (in ₹)?
35. 35.A car goes 26 km on 2 litres of petrol. How far can it go on 32 litres (in km)?
36. 36.If 5 kg of rice costs ₹155, how many kg can you buy for ₹217?
37. 37.If 5 kites cost ₹90, how much do 2 kites cost (in ₹)?
38. 38.If 5 kg of rice costs ₹315, how many kg can you buy for ₹756?
39. 39.A car goes 18 km on 2 litres of petrol. How far can it go on 7 litres (in km)?
40. 40.If 7 mangoes cost ₹357, how much do 2 mangoes cost (in ₹)?

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