Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 517 · 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 11 notebooks cost ₹539, how much do 7 notebooks cost (in ₹)?
2. 2.A hostel has enough food for 7 students for 8 days. How many days will the same food last for 14 students?
3. 3.If 3 mangoes cost ₹108, how much do 19 mangoes cost (in ₹)?
4. 4.If 4 kg of rice costs ₹180, how many kg can you buy for ₹495?
5. 5.A hostel has enough food for 8 students for 4 days. How many days will the same food last for 4 students?
6. 6.3 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
7. 7.If 10 cricket balls cost ₹40, how much do 16 cricket balls cost (in ₹)?
8. 8.A car goes 240 km on 12 litres of petrol. How far can it go on 5 litres (in km)?
9. 9.If 7 kg of rice costs ₹406, how many kg can you buy for ₹116?
10. 10.If 6 kg of rice costs ₹120, how many kg can you buy for ₹160?
11. 11.A car goes 75 km on 3 litres of petrol. How far can it go on 29 litres (in km)?
12. 12.If 6 kg of rice costs ₹234, how many kg can you buy for ₹585?
13. 13.If 9 notebooks cost ₹315, how much do 20 notebooks cost (in ₹)?
14. 14.If 8 kg of rice costs ₹240, how many kg can you buy for ₹360?
15. 15.A hostel has enough food for 10 students for 5 days. How many days will the same food last for 2 students?
16. 16.A car goes 72 km on 3 litres of petrol. How far can it go on 19 litres (in km)?
17. 17.A hostel has enough food for 10 students for 16 days. How many days will the same food last for 8 students?
18. 18.A car goes 192 km on 12 litres of petrol. How far can it go on 7 litres (in km)?
19. 19.2 painters can paint a school in 9 days. How many days would 6 painters take, working at the same speed?
20. 20.If 12 mangoes cost ₹264, how much do 7 mangoes cost (in ₹)?
21. 21.If 11 cricket balls cost ₹176, how much do 5 cricket balls cost (in ₹)?
22. 22.If 5 kg of rice costs ₹135, how many kg can you buy for ₹243?
23. 23.If 4 kg of rice costs ₹124, how many kg can you buy for ₹434?
24. 24.7 painters can paint a school in 20 days. How many days would 14 painters take, working at the same speed?
25. 25.5 painters can paint a school in 21 days. How many days would 21 painters take, working at the same speed?
26. 26.If 2 kg of rice costs ₹52, how many kg can you buy for ₹78?
27. 27.A car goes 48 km on 6 litres of petrol. How far can it go on 31 litres (in km)?
28. 28.A car goes 240 km on 12 litres of petrol. How far can it go on 8 litres (in km)?
29. 29.2 painters can paint a school in 8 days. How many days would 8 painters take, working at the same speed?
30. 30.A hostel has enough food for 10 students for 23 days. How many days will the same food last for 23 students?
31. 31.A car goes 88 km on 8 litres of petrol. How far can it go on 29 litres (in km)?
32. 32.A car goes 26 km on 2 litres of petrol. How far can it go on 8 litres (in km)?
33. 33.A car goes 225 km on 9 litres of petrol. How far can it go on 3 litres (in km)?
34. 34.If 2 kg of rice costs ₹42, how many kg can you buy for ₹294?
35. 35.If 4 kg of rice costs ₹308, how many kg can you buy for ₹924?
36. 36.A hostel has enough food for 10 students for 14 days. How many days will the same food last for 4 students?
37. 37.If 4 pencil boxes cost ₹140, how much do 20 pencil boxes cost (in ₹)?
38. 38.A car goes 190 km on 10 litres of petrol. How far can it go on 38 litres (in km)?
39. 39.If 5 bottles of juice cost ₹225, how much do 7 bottles of juice cost (in ₹)?
40. 40.A hostel has enough food for 9 students for 21 days. How many days will the same food last for 21 students?

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