Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 77 · 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. 1.8 painters can paint a school in 7 days. How many days would 14 painters take, working at the same speed?
2. 2.A car goes 198 km on 11 litres of petrol. How far can it go on 29 litres (in km)?
3. 3.If 8 mangoes cost ₹352, how much do 15 mangoes cost (in ₹)?
4. 4.If 8 kg of rice costs ₹664, how many kg can you buy for ₹1245?
5. 5.A hostel has enough food for 2 students for 4 days. How many days will the same food last for 4 students?
6. 6.9 painters can paint a school in 28 days. How many days would 18 painters take, working at the same speed?
7. 7.If 9 mangoes cost ₹459, how much do 11 mangoes cost (in ₹)?
8. 8.A hostel has enough food for 4 students for 20 days. How many days will the same food last for 2 students?
9. 9.A car goes 56 km on 4 litres of petrol. How far can it go on 40 litres (in km)?
10. 10.A car goes 20 km on 2 litres of petrol. How far can it go on 37 litres (in km)?
11. 11.If 9 mangoes cost ₹135, how much do 10 mangoes cost (in ₹)?
12. 12.If 2 kg of rice costs ₹68, how many kg can you buy for ₹306?
13. 13.If 4 kites cost ₹88, how much do 2 kites cost (in ₹)?
14. 14.If 9 kg of rice costs ₹324, how many kg can you buy for ₹288?
15. 15.If 7 kites cost ₹238, how much do 18 kites cost (in ₹)?
16. 16.If 3 pens cost ₹87, how much do 17 pens cost (in ₹)?
17. 17.If 2 bottles of juice cost ₹32, how much do 12 bottles of juice cost (in ₹)?
18. 18.If 6 cricket balls cost ₹360, how much do 4 cricket balls cost (in ₹)?
19. 19.A car goes 39 km on 3 litres of petrol. How far can it go on 27 litres (in km)?
20. 20.If 9 kg of rice costs ₹477, how many kg can you buy for ₹265?
21. 21.If 12 kites cost ₹156, how much do 6 kites cost (in ₹)?
22. 22.A car goes 264 km on 12 litres of petrol. How far can it go on 17 litres (in km)?
23. 23.A car goes 264 km on 11 litres of petrol. How far can it go on 4 litres (in km)?
24. 24.If 4 pens cost ₹192, how much do 18 pens cost (in ₹)?
25. 25.A hostel has enough food for 8 students for 14 days. How many days will the same food last for 2 students?
26. 26.A hostel has enough food for 2 students for 27 days. How many days will the same food last for 3 students?
27. 27.A car goes 209 km on 11 litres of petrol. How far can it go on 30 litres (in km)?
28. 28.A hostel has enough food for 2 students for 25 days. How many days will the same food last for 5 students?
29. 29.10 painters can paint a school in 14 days. How many days would 4 painters take, working at the same speed?
30. 30.9 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
31. 31.If 2 kg of rice costs ₹156, how many kg can you buy for ₹468?
32. 32.If 3 kg of rice costs ₹219, how many kg can you buy for ₹1095?
33. 33.A car goes 200 km on 8 litres of petrol. How far can it go on 12 litres (in km)?
34. 34.A car goes 42 km on 2 litres of petrol. How far can it go on 35 litres (in km)?
35. 35.If 5 bottles of juice cost ₹45, how much do 20 bottles of juice cost (in ₹)?
36. 36.If 7 kg of rice costs ₹609, how many kg can you buy for ₹261?
37. 37.If 9 bottles of juice cost ₹45, how much do 6 bottles of juice cost (in ₹)?
38. 38.A hostel has enough food for 2 students for 8 days. How many days will the same food last for 4 students?
39. 39.12 painters can paint a school in 25 days. How many days would 20 painters take, working at the same speed?
40. 40.A hostel has enough food for 2 students for 10 days. How many days will the same food last for 5 students?

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