Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 535 · 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 4 students for 27 days. How many days will the same food last for 18 students?
2. 2.A car goes 96 km on 4 litres of petrol. How far can it go on 11 litres (in km)?
3. 3.A car goes 65 km on 5 litres of petrol. How far can it go on 8 litres (in km)?
4. 4.If 9 kg of rice costs ₹297, how many kg can you buy for ₹264?
5. 5.If 7 kg of rice costs ₹413, how many kg can you buy for ₹118?
6. 6.If 9 pens cost ₹81, how much do 15 pens cost (in ₹)?
7. 7.If 4 kg of rice costs ₹132, how many kg can you buy for ₹231?
8. 8.If 2 notebooks cost ₹26, how much do 18 notebooks cost (in ₹)?
9. 9.A hostel has enough food for 9 students for 8 days. How many days will the same food last for 18 students?
10. 10.A hostel has enough food for 12 students for 16 days. How many days will the same food last for 4 students?
11. 11.A car goes 216 km on 9 litres of petrol. How far can it go on 32 litres (in km)?
12. 12.If 7 mangoes cost ₹105, how much do 16 mangoes cost (in ₹)?
13. 13.If 12 erasers cost ₹228, how much do 8 erasers cost (in ₹)?
14. 14.A car goes 120 km on 12 litres of petrol. How far can it go on 4 litres (in km)?
15. 15.A hostel has enough food for 3 students for 8 days. How many days will the same food last for 4 students?
16. 16.A hostel has enough food for 10 students for 10 days. How many days will the same food last for 2 students?
17. 17.A car goes 198 km on 11 litres of petrol. How far can it go on 7 litres (in km)?
18. 18.3 painters can paint a school in 26 days. How many days would 6 painters take, working at the same speed?
19. 19.A car goes 144 km on 6 litres of petrol. How far can it go on 33 litres (in km)?
20. 20.3 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
21. 21.3 painters can paint a school in 6 days. How many days would 9 painters take, working at the same speed?
22. 22.A hostel has enough food for 9 students for 6 days. How many days will the same food last for 3 students?
23. 23.If 8 kg of rice costs ₹208, how many kg can you buy for ₹182?
24. 24.If 5 pens cost ₹30, how much do 17 pens cost (in ₹)?
25. 25.If 4 kg of rice costs ₹284, how many kg can you buy for ₹639?
26. 26.3 painters can paint a school in 14 days. How many days would 2 painters take, working at the same speed?
27. 27.If 11 notebooks cost ₹506, how much do 19 notebooks cost (in ₹)?
28. 28.If 7 kg of rice costs ₹588, how many kg can you buy for ₹1260?
29. 29.10 painters can paint a school in 4 days. How many days would 8 painters take, working at the same speed?
30. 30.A hostel has enough food for 2 students for 30 days. How many days will the same food last for 15 students?
31. 31.A car goes 121 km on 11 litres of petrol. How far can it go on 14 litres (in km)?
32. 32.If 3 kg of rice costs ₹171, how many kg can you buy for ₹285?
33. 33.6 painters can paint a school in 5 days. How many days would 15 painters take, working at the same speed?
34. 34.If 4 kg of rice costs ₹292, how many kg can you buy for ₹146?
35. 35.2 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
36. 36.4 painters can paint a school in 29 days. How many days would 2 painters take, working at the same speed?
37. 37.If 9 pencil boxes cost ₹387, how much do 12 pencil boxes cost (in ₹)?
38. 38.If 6 kg of rice costs ₹144, how many kg can you buy for ₹288?
39. 39.If 11 pencil boxes cost ₹484, how much do 12 pencil boxes cost (in ₹)?
40. 40.If 7 notebooks cost ₹322, how much do 2 notebooks cost (in ₹)?

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