Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 419 · 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 11 days. How many days will the same food last for 22 students?
2. 2.A car goes 92 km on 4 litres of petrol. How far can it go on 3 litres (in km)?
3. 3.If 3 kg of rice costs ₹84, how many kg can you buy for ₹140?
4. 4.If 3 kg of rice costs ₹264, how many kg can you buy for ₹704?
5. 5.If 5 pens cost ₹180, how much do 6 pens cost (in ₹)?
6. 6.If 6 kg of rice costs ₹264, how many kg can you buy for ₹176?
7. 7.If 3 kg of rice costs ₹93, how many kg can you buy for ₹186?
8. 8.A car goes 18 km on 2 litres of petrol. How far can it go on 16 litres (in km)?
9. 9.If 6 pencil boxes cost ₹282, how much do 20 pencil boxes cost (in ₹)?
10. 10.If 7 mangoes cost ₹413, how much do 17 mangoes cost (in ₹)?
11. 11.A car goes 40 km on 5 litres of petrol. How far can it go on 28 litres (in km)?
12. 12.4 painters can paint a school in 30 days. How many days would 12 painters take, working at the same speed?
13. 13.10 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
14. 14.A car goes 144 km on 12 litres of petrol. How far can it go on 21 litres (in km)?
15. 15.If 2 kg of rice costs ₹40, how many kg can you buy for ₹180?
16. 16.If 12 mangoes cost ₹660, how much do 20 mangoes cost (in ₹)?
17. 17.3 painters can paint a school in 24 days. How many days would 24 painters take, working at the same speed?
18. 18.A hostel has enough food for 11 students for 10 days. How many days will the same food last for 22 students?
19. 19.6 painters can paint a school in 9 days. How many days would 18 painters take, working at the same speed?
20. 20.A car goes 110 km on 11 litres of petrol. How far can it go on 8 litres (in km)?
21. 21.If 2 kg of rice costs ₹80, how many kg can you buy for ₹120?
22. 22.A hostel has enough food for 2 students for 16 days. How many days will the same food last for 8 students?
23. 23.If 12 mangoes cost ₹48, how much do 16 mangoes cost (in ₹)?
24. 24.A car goes 225 km on 9 litres of petrol. How far can it go on 30 litres (in km)?
25. 25.If 6 kg of rice costs ₹126, how many kg can you buy for ₹168?
26. 26.If 7 notebooks cost ₹133, how much do 3 notebooks cost (in ₹)?
27. 27.12 painters can paint a school in 5 days. How many days would 4 painters take, working at the same speed?
28. 28.If 12 pencil boxes cost ₹156, how much do 2 pencil boxes cost (in ₹)?
29. 29.If 3 kg of rice costs ₹162, how many kg can you buy for ₹756?
30. 30.If 5 kg of rice costs ₹355, how many kg can you buy for ₹994?
31. 31.A car goes 252 km on 12 litres of petrol. How far can it go on 18 litres (in km)?
32. 32.If 4 kg of rice costs ₹108, how many kg can you buy for ₹243?
33. 33.A car goes 198 km on 9 litres of petrol. How far can it go on 22 litres (in km)?
34. 34.A car goes 112 km on 8 litres of petrol. How far can it go on 15 litres (in km)?
35. 35.A hostel has enough food for 6 students for 13 days. How many days will the same food last for 2 students?
36. 36.A car goes 180 km on 9 litres of petrol. How far can it go on 11 litres (in km)?
37. 37.A car goes 189 km on 9 litres of petrol. How far can it go on 27 litres (in km)?
38. 38.If 9 bottles of juice cost ₹522, how much do 3 bottles of juice cost (in ₹)?
39. 39.A car goes 171 km on 9 litres of petrol. How far can it go on 4 litres (in km)?
40. 40.A hostel has enough food for 7 students for 20 days. How many days will the same food last for 4 students?

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