Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 73 · 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 10 students for 22 days. How many days will the same food last for 5 students?
2. 2.If 3 kg of rice costs ₹135, how many kg can you buy for ₹90?
3. 3.A hostel has enough food for 7 students for 20 days. How many days will the same food last for 20 students?
4. 4.If 12 notebooks cost ₹276, how much do 7 notebooks cost (in ₹)?
5. 5.A car goes 96 km on 4 litres of petrol. How far can it go on 33 litres (in km)?
6. 6.A car goes 76 km on 4 litres of petrol. How far can it go on 29 litres (in km)?
7. 7.A car goes 48 km on 3 litres of petrol. How far can it go on 9 litres (in km)?
8. 8.A car goes 275 km on 11 litres of petrol. How far can it go on 40 litres (in km)?
9. 9.If 2 kg of rice costs ₹114, how many kg can you buy for ₹798?
10. 10.If 6 kg of rice costs ₹318, how many kg can you buy for ₹424?
11. 11.If 8 notebooks cost ₹416, how much do 16 notebooks cost (in ₹)?
12. 12.If 6 cricket balls cost ₹216, how much do 13 cricket balls cost (in ₹)?
13. 13.If 10 cricket balls cost ₹390, how much do 11 cricket balls cost (in ₹)?
14. 14.If 8 pencil boxes cost ₹128, how much do 6 pencil boxes cost (in ₹)?
15. 15.If 9 kg of rice costs ₹234, how many kg can you buy for ₹78?
16. 16.A hostel has enough food for 2 students for 22 days. How many days will the same food last for 22 students?
17. 17.6 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
18. 18.If 8 kg of rice costs ₹352, how many kg can you buy for ₹528?
19. 19.If 8 kg of rice costs ₹544, how many kg can you buy for ₹612?
20. 20.9 painters can paint a school in 6 days. How many days would 6 painters take, working at the same speed?
21. 21.A hostel has enough food for 8 students for 20 days. How many days will the same food last for 20 students?
22. 22.A hostel has enough food for 9 students for 26 days. How many days will the same food last for 13 students?
23. 23.If 10 cricket balls cost ₹70, how much do 14 cricket balls cost (in ₹)?
24. 24.2 painters can paint a school in 16 days. How many days would 8 painters take, working at the same speed?
25. 25.A car goes 96 km on 6 litres of petrol. How far can it go on 37 litres (in km)?
26. 26.If 5 notebooks cost ₹120, how much do 8 notebooks cost (in ₹)?
27. 27.If 5 kg of rice costs ₹350, how many kg can you buy for ₹280?
28. 28.If 12 cricket balls cost ₹660, how much do 19 cricket balls cost (in ₹)?
29. 29.A car goes 120 km on 6 litres of petrol. How far can it go on 37 litres (in km)?
30. 30.If 7 cricket balls cost ₹322, how much do 4 cricket balls cost (in ₹)?
31. 31.A hostel has enough food for 2 students for 7 days. How many days will the same food last for 7 students?
32. 32.A hostel has enough food for 6 students for 19 days. How many days will the same food last for 19 students?
33. 33.If 7 mangoes cost ₹35, how much do 3 mangoes cost (in ₹)?
34. 34.A car goes 84 km on 7 litres of petrol. How far can it go on 5 litres (in km)?
35. 35.A car goes 147 km on 7 litres of petrol. How far can it go on 4 litres (in km)?
36. 36.If 7 notebooks cost ₹217, how much do 2 notebooks cost (in ₹)?
37. 37.If 6 kg of rice costs ₹168, how many kg can you buy for ₹84?
38. 38.If 8 kg of rice costs ₹320, how many kg can you buy for ₹280?
39. 39.A hostel has enough food for 10 students for 14 days. How many days will the same food last for 20 students?
40. 40.If 2 kg of rice costs ₹108, how many kg can you buy for ₹702?

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