Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 312 · 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 5 cricket balls cost ₹25, how much do 3 cricket balls cost (in ₹)?
2. 2.A hostel has enough food for 4 students for 16 days. How many days will the same food last for 16 students?
3. 3.If 11 bottles of juice cost ₹88, how much do 4 bottles of juice cost (in ₹)?
4. 4.12 painters can paint a school in 6 days. How many days would 8 painters take, working at the same speed?
5. 5.A car goes 184 km on 8 litres of petrol. How far can it go on 32 litres (in km)?
6. 6.A car goes 240 km on 12 litres of petrol. How far can it go on 4 litres (in km)?
7. 7.8 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
8. 8.A hostel has enough food for 3 students for 19 days. How many days will the same food last for 19 students?
9. 9.A car goes 130 km on 10 litres of petrol. How far can it go on 31 litres (in km)?
10. 10.If 5 notebooks cost ₹60, how much do 15 notebooks cost (in ₹)?
11. 11.3 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
12. 12.If 2 erasers cost ₹46, how much do 6 erasers cost (in ₹)?
13. 13.If 3 kg of rice costs ₹189, how many kg can you buy for ₹504?
14. 14.If 9 erasers cost ₹81, how much do 15 erasers cost (in ₹)?
15. 15.If 3 pencil boxes cost ₹135, how much do 20 pencil boxes cost (in ₹)?
16. 16.If 5 pens cost ₹160, how much do 6 pens cost (in ₹)?
17. 17.If 6 erasers cost ₹270, how much do 18 erasers cost (in ₹)?
18. 18.If 8 kg of rice costs ₹304, how many kg can you buy for ₹342?
19. 19.If 9 pencil boxes cost ₹81, how much do 19 pencil boxes cost (in ₹)?
20. 20.A hostel has enough food for 8 students for 8 days. How many days will the same food last for 2 students?
21. 21.9 painters can paint a school in 7 days. How many days would 21 painters take, working at the same speed?
22. 22.A car goes 72 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
23. 23.A car goes 120 km on 10 litres of petrol. How far can it go on 39 litres (in km)?
24. 24.4 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
25. 25.4 painters can paint a school in 14 days. How many days would 8 painters take, working at the same speed?
26. 26.If 9 kites cost ₹99, how much do 15 kites cost (in ₹)?
27. 27.A car goes 64 km on 8 litres of petrol. How far can it go on 39 litres (in km)?
28. 28.A car goes 108 km on 9 litres of petrol. How far can it go on 3 litres (in km)?
29. 29.If 3 pens cost ₹150, how much do 13 pens cost (in ₹)?
30. 30.A car goes 32 km on 4 litres of petrol. How far can it go on 18 litres (in km)?
31. 31.If 4 erasers cost ₹200, how much do 5 erasers cost (in ₹)?
32. 32.A car goes 95 km on 5 litres of petrol. How far can it go on 37 litres (in km)?
33. 33.If 8 pens cost ₹192, how much do 11 pens cost (in ₹)?
34. 34.12 painters can paint a school in 20 days. How many days would 8 painters take, working at the same speed?
35. 35.If 9 kg of rice costs ₹567, how many kg can you buy for ₹378?
36. 36.8 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
37. 37.2 painters can paint a school in 12 days. How many days would 8 painters take, working at the same speed?
38. 38.If 9 kg of rice costs ₹288, how many kg can you buy for ₹352?
39. 39.A car goes 171 km on 9 litres of petrol. How far can it go on 16 litres (in km)?
40. 40.If 12 erasers cost ₹612, how much do 2 erasers cost (in ₹)?

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