Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 502 · 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.If 9 pens cost ₹252, how much do 3 pens cost (in ₹)?
2. 2.A car goes 207 km on 9 litres of petrol. How far can it go on 29 litres (in km)?
3. 3.If 6 kg of rice costs ₹150, how many kg can you buy for ₹325?
4. 4.If 10 bottles of juice cost ₹260, how much do 9 bottles of juice cost (in ₹)?
5. 5.A hostel has enough food for 5 students for 15 days. How many days will the same food last for 15 students?
6. 6.A car goes 144 km on 9 litres of petrol. How far can it go on 38 litres (in km)?
7. 7.A car goes 156 km on 12 litres of petrol. How far can it go on 40 litres (in km)?
8. 8.If 11 erasers cost ₹495, how much do 2 erasers cost (in ₹)?
9. 9.A hostel has enough food for 10 students for 6 days. How many days will the same food last for 4 students?
10. 10.If 7 notebooks cost ₹231, how much do 14 notebooks cost (in ₹)?
11. 11.If 11 bottles of juice cost ₹165, how much do 10 bottles of juice cost (in ₹)?
12. 12.If 7 kg of rice costs ₹231, how many kg can you buy for ₹132?
13. 13.8 painters can paint a school in 27 days. How many days would 6 painters take, working at the same speed?
14. 14.4 painters can paint a school in 7 days. How many days would 14 painters take, working at the same speed?
15. 15.If 9 kg of rice costs ₹549, how many kg can you buy for ₹122?
16. 16.A car goes 152 km on 8 litres of petrol. How far can it go on 27 litres (in km)?
17. 17.If 10 erasers cost ₹560, how much do 19 erasers cost (in ₹)?
18. 18.If 4 kg of rice costs ₹192, how many kg can you buy for ₹720?
19. 19.A hostel has enough food for 12 students for 21 days. How many days will the same food last for 7 students?
20. 20.If 8 pens cost ₹416, how much do 13 pens cost (in ₹)?
21. 21.A hostel has enough food for 7 students for 17 days. How many days will the same food last for 17 students?
22. 22.A hostel has enough food for 12 students for 19 days. How many days will the same food last for 6 students?
23. 23.If 3 kg of rice costs ₹168, how many kg can you buy for ₹224?
24. 24.If 5 kg of rice costs ₹110, how many kg can you buy for ₹44?
25. 25.If 5 kg of rice costs ₹175, how many kg can you buy for ₹70?
26. 26.If 9 kg of rice costs ₹594, how many kg can you buy for ₹792?
27. 27.6 painters can paint a school in 18 days. How many days would 12 painters take, working at the same speed?
28. 28.If 2 kg of rice costs ₹84, how many kg can you buy for ₹462?
29. 29.If 11 pencil boxes cost ₹209, how much do 4 pencil boxes cost (in ₹)?
30. 30.If 7 kg of rice costs ₹469, how many kg can you buy for ₹804?
31. 31.A car goes 84 km on 4 litres of petrol. How far can it go on 21 litres (in km)?
32. 32.If 3 erasers cost ₹42, how much do 7 erasers cost (in ₹)?
33. 33.7 painters can paint a school in 20 days. How many days would 5 painters take, working at the same speed?
34. 34.A hostel has enough food for 8 students for 18 days. How many days will the same food last for 12 students?
35. 35.A car goes 48 km on 2 litres of petrol. How far can it go on 14 litres (in km)?
36. 36.A car goes 64 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
37. 37.If 7 kg of rice costs ₹343, how many kg can you buy for ₹196?
38. 38.A hostel has enough food for 3 students for 10 days. How many days will the same food last for 15 students?
39. 39.If 6 cricket balls cost ₹150, how much do 10 cricket balls cost (in ₹)?
40. 40.A car goes 84 km on 7 litres of petrol. How far can it go on 37 litres (in km)?

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