Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 389 · 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 car goes 50 km on 5 litres of petrol. How far can it go on 28 litres (in km)?
2. 2.A hostel has enough food for 11 students for 5 days. How many days will the same food last for 5 students?
3. 3.If 9 kg of rice costs ₹387, how many kg can you buy for ₹559?
4. 4.If 9 kg of rice costs ₹756, how many kg can you buy for ₹420?
5. 5.A car goes 228 km on 12 litres of petrol. How far can it go on 37 litres (in km)?
6. 6.A hostel has enough food for 10 students for 21 days. How many days will the same food last for 14 students?
7. 7.If 8 mangoes cost ₹408, how much do 9 mangoes cost (in ₹)?
8. 8.A hostel has enough food for 5 students for 12 days. How many days will the same food last for 3 students?
9. 9.If 7 kg of rice costs ₹301, how many kg can you buy for ₹473?
10. 10.If 6 pens cost ₹42, how much do 15 pens cost (in ₹)?
11. 11.If 7 kg of rice costs ₹546, how many kg can you buy for ₹468?
12. 12.A hostel has enough food for 2 students for 15 days. How many days will the same food last for 5 students?
13. 13.A car goes 96 km on 8 litres of petrol. How far can it go on 28 litres (in km)?
14. 14.If 4 kg of rice costs ₹316, how many kg can you buy for ₹553?
15. 15.If 10 bottles of juice cost ₹460, how much do 14 bottles of juice cost (in ₹)?
16. 16.If 3 pens cost ₹33, how much do 7 pens cost (in ₹)?
17. 17.A hostel has enough food for 9 students for 26 days. How many days will the same food last for 13 students?
18. 18.A car goes 104 km on 8 litres of petrol. How far can it go on 10 litres (in km)?
19. 19.A car goes 112 km on 8 litres of petrol. How far can it go on 29 litres (in km)?
20. 20.A car goes 69 km on 3 litres of petrol. How far can it go on 6 litres (in km)?
21. 21.If 4 cricket balls cost ₹96, how much do 18 cricket balls cost (in ₹)?
22. 22.If 12 notebooks cost ₹420, how much do 11 notebooks cost (in ₹)?
23. 23.A car goes 152 km on 8 litres of petrol. How far can it go on 33 litres (in km)?
24. 24.If 7 pencil boxes cost ₹35, how much do 12 pencil boxes cost (in ₹)?
25. 25.A hostel has enough food for 12 students for 10 days. How many days will the same food last for 4 students?
26. 26.If 9 kg of rice costs ₹423, how many kg can you buy for ₹188?
27. 27.If 9 pencil boxes cost ₹36, how much do 17 pencil boxes cost (in ₹)?
28. 28.8 painters can paint a school in 8 days. How many days would 16 painters take, working at the same speed?
29. 29.A hostel has enough food for 9 students for 17 days. How many days will the same food last for 3 students?
30. 30.A hostel has enough food for 8 students for 18 days. How many days will the same food last for 4 students?
31. 31.A car goes 80 km on 4 litres of petrol. How far can it go on 36 litres (in km)?
32. 32.If 3 kg of rice costs ₹153, how many kg can you buy for ₹612?
33. 33.If 2 mangoes cost ₹110, how much do 7 mangoes cost (in ₹)?
34. 34.If 2 notebooks cost ₹98, how much do 14 notebooks cost (in ₹)?
35. 35.If 4 notebooks cost ₹104, how much do 5 notebooks cost (in ₹)?
36. 36.If 4 pens cost ₹208, how much do 11 pens cost (in ₹)?
37. 37.3 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
38. 38.If 9 cricket balls cost ₹333, how much do 5 cricket balls cost (in ₹)?
39. 39.A hostel has enough food for 4 students for 11 days. How many days will the same food last for 22 students?
40. 40.If 7 cricket balls cost ₹371, how much do 9 cricket balls cost (in ₹)?

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