Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 356 · 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 hostel has enough food for 2 students for 20 days. How many days will the same food last for 20 students?
2. 2.If 6 kg of rice costs ₹342, how many kg can you buy for ₹456?
3. 3.If 12 erasers cost ₹276, how much do 18 erasers cost (in ₹)?
4. 4.If 2 kg of rice costs ₹170, how many kg can you buy for ₹935?
5. 5.2 painters can paint a school in 24 days. How many days would 3 painters take, working at the same speed?
6. 6.A hostel has enough food for 7 students for 23 days. How many days will the same food last for 23 students?
7. 7.If 7 kg of rice costs ₹259, how many kg can you buy for ₹296?
8. 8.A hostel has enough food for 9 students for 9 days. How many days will the same food last for 3 students?
9. 9.A car goes 216 km on 9 litres of petrol. How far can it go on 22 litres (in km)?
10. 10.If 9 pencil boxes cost ₹423, how much do 11 pencil boxes cost (in ₹)?
11. 11.If 8 kg of rice costs ₹280, how many kg can you buy for ₹385?
12. 12.If 4 kg of rice costs ₹252, how many kg can you buy for ₹378?
13. 13.A car goes 128 km on 8 litres of petrol. How far can it go on 17 litres (in km)?
14. 14.A car goes 138 km on 6 litres of petrol. How far can it go on 13 litres (in km)?
15. 15.8 painters can paint a school in 10 days. How many days would 20 painters take, working at the same speed?
16. 16.If 5 kg of rice costs ₹315, how many kg can you buy for ₹504?
17. 17.A car goes 250 km on 10 litres of petrol. How far can it go on 26 litres (in km)?
18. 18.If 9 kg of rice costs ₹198, how many kg can you buy for ₹264?
19. 19.If 2 erasers cost ₹70, how much do 15 erasers cost (in ₹)?
20. 20.If 3 notebooks cost ₹63, how much do 17 notebooks cost (in ₹)?
21. 21.If 9 bottles of juice cost ₹423, how much do 2 bottles of juice cost (in ₹)?
22. 22.A hostel has enough food for 6 students for 28 days. How many days will the same food last for 21 students?
23. 23.If 3 erasers cost ₹126, how much do 12 erasers cost (in ₹)?
24. 24.A car goes 190 km on 10 litres of petrol. How far can it go on 17 litres (in km)?
25. 25.If 7 bottles of juice cost ₹161, how much do 11 bottles of juice cost (in ₹)?
26. 26.A car goes 45 km on 3 litres of petrol. How far can it go on 5 litres (in km)?
27. 27.If 4 kg of rice costs ₹180, how many kg can you buy for ₹135?
28. 28.7 painters can paint a school in 24 days. How many days would 14 painters take, working at the same speed?
29. 29.A car goes 96 km on 8 litres of petrol. How far can it go on 5 litres (in km)?
30. 30.If 7 kg of rice costs ₹469, how many kg can you buy for ₹268?
31. 31.A hostel has enough food for 9 students for 14 days. How many days will the same food last for 6 students?
32. 32.A car goes 150 km on 10 litres of petrol. How far can it go on 25 litres (in km)?
33. 33.If 7 mangoes cost ₹343, how much do 8 mangoes cost (in ₹)?
34. 34.A hostel has enough food for 3 students for 11 days. How many days will the same food last for 11 students?
35. 35.A car goes 132 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
36. 36.A car goes 160 km on 10 litres of petrol. How far can it go on 32 litres (in km)?
37. 37.If 2 kg of rice costs ₹102, how many kg can you buy for ₹510?
38. 38.If 6 kg of rice costs ₹366, how many kg can you buy for ₹549?
39. 39.If 2 mangoes cost ₹84, how much do 5 mangoes cost (in ₹)?
40. 40.A hostel has enough food for 8 students for 12 days. How many days will the same food last for 6 students?

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