Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 289 · 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.If 5 erasers cost ₹40, how much do 14 erasers cost (in ₹)?
2. 2.If 6 kg of rice costs ₹150, how many kg can you buy for ₹325?
3. 3.3 painters can paint a school in 20 days. How many days would 12 painters take, working at the same speed?
4. 4.4 painters can paint a school in 6 days. How many days would 2 painters take, working at the same speed?
5. 5.A hostel has enough food for 10 students for 30 days. How many days will the same food last for 20 students?
6. 6.If 12 pens cost ₹660, how much do 7 pens cost (in ₹)?
7. 7.If 2 kg of rice costs ₹54, how many kg can you buy for ₹108?
8. 8.If 7 kg of rice costs ₹441, how many kg can you buy for ₹126?
9. 9.A car goes 184 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
10. 10.If 12 erasers cost ₹528, how much do 15 erasers cost (in ₹)?
11. 11.If 2 kg of rice costs ₹106, how many kg can you buy for ₹212?
12. 12.If 2 pens cost ₹14, how much do 16 pens cost (in ₹)?
13. 13.If 10 pencil boxes cost ₹280, how much do 18 pencil boxes cost (in ₹)?
14. 14.A car goes 160 km on 10 litres of petrol. How far can it go on 26 litres (in km)?
15. 15.A hostel has enough food for 11 students for 17 days. How many days will the same food last for 17 students?
16. 16.5 painters can paint a school in 27 days. How many days would 15 painters take, working at the same speed?
17. 17.If 9 kg of rice costs ₹432, how many kg can you buy for ₹672?
18. 18.If 9 mangoes cost ₹288, how much do 4 mangoes cost (in ₹)?
19. 19.10 painters can paint a school in 26 days. How many days would 5 painters take, working at the same speed?
20. 20.A car goes 50 km on 2 litres of petrol. How far can it go on 12 litres (in km)?
21. 21.A hostel has enough food for 3 students for 26 days. How many days will the same food last for 13 students?
22. 22.If 5 kg of rice costs ₹120, how many kg can you buy for ₹312?
23. 23.If 7 pens cost ₹252, how much do 6 pens cost (in ₹)?
24. 24.If 4 kites cost ₹156, how much do 17 kites cost (in ₹)?
25. 25.If 5 kg of rice costs ₹155, how many kg can you buy for ₹62?
26. 26.If 5 notebooks cost ₹30, how much do 10 notebooks cost (in ₹)?
27. 27.A car goes 48 km on 3 litres of petrol. How far can it go on 30 litres (in km)?
28. 28.If 12 pens cost ₹372, how much do 8 pens cost (in ₹)?
29. 29.2 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
30. 30.A car goes 24 km on 3 litres of petrol. How far can it go on 24 litres (in km)?
31. 31.11 painters can paint a school in 18 days. How many days would 22 painters take, working at the same speed?
32. 32.If 10 mangoes cost ₹310, how much do 5 mangoes cost (in ₹)?
33. 33.If 9 kites cost ₹360, how much do 13 kites cost (in ₹)?
34. 34.5 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
35. 35.If 7 kg of rice costs ₹413, how many kg can you buy for ₹354?
36. 36.If 9 kg of rice costs ₹378, how many kg can you buy for ₹168?
37. 37.If 11 cricket balls cost ₹506, how much do 15 cricket balls cost (in ₹)?
38. 38.A car goes 100 km on 10 litres of petrol. How far can it go on 4 litres (in km)?
39. 39.A hostel has enough food for 10 students for 7 days. How many days will the same food last for 5 students?
40. 40.If 5 kg of rice costs ₹320, how many kg can you buy for ₹512?

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