Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 410 · 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 4 students for 24 days. How many days will the same food last for 24 students?
2. 2.A car goes 180 km on 12 litres of petrol. How far can it go on 17 litres (in km)?
3. 3.A car goes 66 km on 6 litres of petrol. How far can it go on 36 litres (in km)?
4. 4.If 7 kg of rice costs ₹336, how many kg can you buy for ₹384?
5. 5.A car goes 80 km on 8 litres of petrol. How far can it go on 15 litres (in km)?
6. 6.If 2 erasers cost ₹60, how much do 13 erasers cost (in ₹)?
7. 7.If 9 kg of rice costs ₹333, how many kg can you buy for ₹555?
8. 8.If 2 cricket balls cost ₹26, how much do 4 cricket balls cost (in ₹)?
9. 9.If 3 kg of rice costs ₹249, how many kg can you buy for ₹332?
10. 10.A car goes 60 km on 4 litres of petrol. How far can it go on 36 litres (in km)?
11. 11.If 3 kg of rice costs ₹81, how many kg can you buy for ₹135?
12. 12.If 4 kg of rice costs ₹324, how many kg can you buy for ₹648?
13. 13.If 6 kg of rice costs ₹426, how many kg can you buy for ₹142?
14. 14.If 6 mangoes cost ₹78, how much do 17 mangoes cost (in ₹)?
15. 15.If 9 erasers cost ₹522, how much do 5 erasers cost (in ₹)?
16. 16.A hostel has enough food for 6 students for 29 days. How many days will the same food last for 3 students?
17. 17.If 8 kg of rice costs ₹256, how many kg can you buy for ₹288?
18. 18.If 5 bottles of juice cost ₹180, how much do 13 bottles of juice cost (in ₹)?
19. 19.If 2 kg of rice costs ₹82, how many kg can you buy for ₹492?
20. 20.If 2 kg of rice costs ₹120, how many kg can you buy for ₹840?
21. 21.If 8 kg of rice costs ₹656, how many kg can you buy for ₹1148?
22. 22.8 painters can paint a school in 22 days. How many days would 4 painters take, working at the same speed?
23. 23.If 6 kites cost ₹84, how much do 7 kites cost (in ₹)?
24. 24.A car goes 46 km on 2 litres of petrol. How far can it go on 4 litres (in km)?
25. 25.If 6 bottles of juice cost ₹354, how much do 7 bottles of juice cost (in ₹)?
26. 26.If 3 kg of rice costs ₹192, how many kg can you buy for ₹832?
27. 27.If 9 mangoes cost ₹81, how much do 12 mangoes cost (in ₹)?
28. 28.A car goes 66 km on 3 litres of petrol. How far can it go on 12 litres (in km)?
29. 29.7 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
30. 30.A hostel has enough food for 3 students for 26 days. How many days will the same food last for 13 students?
31. 31.A car goes 184 km on 8 litres of petrol. How far can it go on 27 litres (in km)?
32. 32.A car goes 176 km on 8 litres of petrol. How far can it go on 10 litres (in km)?
33. 33.A hostel has enough food for 5 students for 14 days. How many days will the same food last for 2 students?
34. 34.5 painters can paint a school in 28 days. How many days would 7 painters take, working at the same speed?
35. 35.If 11 mangoes cost ₹462, how much do 20 mangoes cost (in ₹)?
36. 36.If 3 kg of rice costs ₹195, how many kg can you buy for ₹325?
37. 37.If 12 pens cost ₹300, how much do 8 pens cost (in ₹)?
38. 38.If 5 kites cost ₹45, how much do 16 kites cost (in ₹)?
39. 39.If 4 pens cost ₹152, how much do 14 pens cost (in ₹)?
40. 40.A hostel has enough food for 8 students for 27 days. How many days will the same food last for 18 students?

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