Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 235 · 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 8 students for 18 days. How many days will the same food last for 18 students?
2. 2.A hostel has enough food for 5 students for 9 days. How many days will the same food last for 3 students?
3. 3.9 painters can paint a school in 25 days. How many days would 15 painters take, working at the same speed?
4. 4.If 12 mangoes cost ₹228, how much do 13 mangoes cost (in ₹)?
5. 5.If 11 notebooks cost ₹330, how much do 16 notebooks cost (in ₹)?
6. 6.If 9 kg of rice costs ₹684, how many kg can you buy for ₹532?
7. 7.A car goes 63 km on 7 litres of petrol. How far can it go on 26 litres (in km)?
8. 8.If 4 kg of rice costs ₹320, how many kg can you buy for ₹960?
9. 9.If 5 notebooks cost ₹290, how much do 16 notebooks cost (in ₹)?
10. 10.If 7 kg of rice costs ₹294, how many kg can you buy for ₹420?
11. 11.If 7 kg of rice costs ₹364, how many kg can you buy for ₹260?
12. 12.A car goes 56 km on 7 litres of petrol. How far can it go on 23 litres (in km)?
13. 13.8 painters can paint a school in 24 days. How many days would 12 painters take, working at the same speed?
14. 14.A car goes 32 km on 4 litres of petrol. How far can it go on 31 litres (in km)?
15. 15.If 10 cricket balls cost ₹140, how much do 17 cricket balls cost (in ₹)?
16. 16.If 8 kites cost ₹160, how much do 20 kites cost (in ₹)?
17. 17.If 11 pencil boxes cost ₹407, how much do 2 pencil boxes cost (in ₹)?
18. 18.If 8 kg of rice costs ₹552, how many kg can you buy for ₹966?
19. 19.If 8 erasers cost ₹472, how much do 11 erasers cost (in ₹)?
20. 20.If 6 cricket balls cost ₹336, how much do 18 cricket balls cost (in ₹)?
21. 21.A hostel has enough food for 4 students for 15 days. How many days will the same food last for 12 students?
22. 22.If 11 pencil boxes cost ₹341, how much do 9 pencil boxes cost (in ₹)?
23. 23.If 2 cricket balls cost ₹64, how much do 11 cricket balls cost (in ₹)?
24. 24.A car goes 120 km on 8 litres of petrol. How far can it go on 6 litres (in km)?
25. 25.6 painters can paint a school in 5 days. How many days would 3 painters take, working at the same speed?
26. 26.11 painters can paint a school in 6 days. How many days would 22 painters take, working at the same speed?
27. 27.A hostel has enough food for 9 students for 8 days. How many days will the same food last for 8 students?
28. 28.2 painters can paint a school in 25 days. How many days would 10 painters take, working at the same speed?
29. 29.If 9 kites cost ₹414, how much do 11 kites cost (in ₹)?
30. 30.If 9 kg of rice costs ₹666, how many kg can you buy for ₹370?
31. 31.If 9 mangoes cost ₹279, how much do 2 mangoes cost (in ₹)?
32. 32.If 3 kg of rice costs ₹105, how many kg can you buy for ₹140?
33. 33.If 10 pencil boxes cost ₹200, how much do 7 pencil boxes cost (in ₹)?
34. 34.If 9 pencil boxes cost ₹396, how much do 3 pencil boxes cost (in ₹)?
35. 35.If 4 kg of rice costs ₹360, how many kg can you buy for ₹270?
36. 36.If 12 erasers cost ₹144, how much do 6 erasers cost (in ₹)?
37. 37.A car goes 216 km on 12 litres of petrol. How far can it go on 28 litres (in km)?
38. 38.If 7 kg of rice costs ₹238, how many kg can you buy for ₹374?
39. 39.A car goes 30 km on 3 litres of petrol. How far can it go on 8 litres (in km)?
40. 40.If 2 kg of rice costs ₹176, how many kg can you buy for ₹1320?

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