Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 142 · 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. 1.5 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
2. 2.If 11 kites cost ₹561, how much do 6 kites cost (in ₹)?
3. 3.If 7 erasers cost ₹273, how much do 13 erasers cost (in ₹)?
4. 4.If 4 kg of rice costs ₹88, how many kg can you buy for ₹308?
5. 5.If 7 kg of rice costs ₹504, how many kg can you buy for ₹648?
6. 6.If 3 mangoes cost ₹63, how much do 5 mangoes cost (in ₹)?
7. 7.If 8 cricket balls cost ₹144, how much do 15 cricket balls cost (in ₹)?
8. 8.If 2 kg of rice costs ₹78, how many kg can you buy for ₹273?
9. 9.A hostel has enough food for 5 students for 7 days. How many days will the same food last for 7 students?
10. 10.A car goes 154 km on 7 litres of petrol. How far can it go on 20 litres (in km)?
11. 11.A car goes 105 km on 5 litres of petrol. How far can it go on 19 litres (in km)?
12. 12.A hostel has enough food for 5 students for 30 days. How many days will the same food last for 15 students?
13. 13.A car goes 50 km on 2 litres of petrol. How far can it go on 30 litres (in km)?
14. 14.A car goes 34 km on 2 litres of petrol. How far can it go on 15 litres (in km)?
15. 15.2 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
16. 16.A car goes 170 km on 10 litres of petrol. How far can it go on 34 litres (in km)?
17. 17.If 8 mangoes cost ₹440, how much do 3 mangoes cost (in ₹)?
18. 18.A car goes 66 km on 3 litres of petrol. How far can it go on 10 litres (in km)?
19. 19.If 8 erasers cost ₹384, how much do 13 erasers cost (in ₹)?
20. 20.If 8 kg of rice costs ₹352, how many kg can you buy for ₹616?
21. 21.A hostel has enough food for 10 students for 21 days. How many days will the same food last for 6 students?
22. 22.If 8 kg of rice costs ₹568, how many kg can you buy for ₹355?
23. 23.6 painters can paint a school in 7 days. How many days would 3 painters take, working at the same speed?
24. 24.If 8 cricket balls cost ₹208, how much do 4 cricket balls cost (in ₹)?
25. 25.A hostel has enough food for 9 students for 5 days. How many days will the same food last for 5 students?
26. 26.A car goes 120 km on 12 litres of petrol. How far can it go on 16 litres (in km)?
27. 27.If 6 kg of rice costs ₹186, how many kg can you buy for ₹279?
28. 28.If 8 pens cost ₹272, how much do 2 pens cost (in ₹)?
29. 29.A hostel has enough food for 12 students for 6 days. How many days will the same food last for 8 students?
30. 30.9 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
31. 31.If 6 bottles of juice cost ₹156, how much do 7 bottles of juice cost (in ₹)?
32. 32.If 3 kg of rice costs ₹234, how many kg can you buy for ₹468?
33. 33.9 painters can paint a school in 11 days. How many days would 3 painters take, working at the same speed?
34. 34.If 9 bottles of juice cost ₹27, how much do 8 bottles of juice cost (in ₹)?
35. 35.If 2 kg of rice costs ₹44, how many kg can you buy for ₹66?
36. 36.If 6 kg of rice costs ₹306, how many kg can you buy for ₹561?
37. 37.A hostel has enough food for 5 students for 11 days. How many days will the same food last for 11 students?
38. 38.If 7 kg of rice costs ₹441, how many kg can you buy for ₹378?
39. 39.If 12 notebooks cost ₹180, how much do 4 notebooks cost (in ₹)?
40. 40.A car goes 84 km on 4 litres of petrol. How far can it go on 2 litres (in km)?

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