Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 522 · 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 3 notebooks cost ₹45, how much do 13 notebooks cost (in ₹)?
2. 2.7 painters can paint a school in 18 days. How many days would 21 painters take, working at the same speed?
3. 3.A car goes 81 km on 9 litres of petrol. How far can it go on 12 litres (in km)?
4. 4.If 9 cricket balls cost ₹63, how much do 10 cricket balls cost (in ₹)?
5. 5.If 5 mangoes cost ₹35, how much do 4 mangoes cost (in ₹)?
6. 6.If 6 kg of rice costs ₹276, how many kg can you buy for ₹92?
7. 7.If 5 kg of rice costs ₹275, how many kg can you buy for ₹825?
8. 8.3 painters can paint a school in 20 days. How many days would 2 painters take, working at the same speed?
9. 9.If 12 pencil boxes cost ₹276, how much do 14 pencil boxes cost (in ₹)?
10. 10.6 painters can paint a school in 24 days. How many days would 18 painters take, working at the same speed?
11. 11.If 3 kg of rice costs ₹78, how many kg can you buy for ₹156?
12. 12.If 6 kg of rice costs ₹444, how many kg can you buy for ₹666?
13. 13.A hostel has enough food for 10 students for 18 days. How many days will the same food last for 15 students?
14. 14.2 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
15. 15.If 11 cricket balls cost ₹429, how much do 5 cricket balls cost (in ₹)?
16. 16.If 9 erasers cost ₹333, how much do 16 erasers cost (in ₹)?
17. 17.If 3 kg of rice costs ₹90, how many kg can you buy for ₹450?
18. 18.A car goes 84 km on 7 litres of petrol. How far can it go on 36 litres (in km)?
19. 19.A car goes 39 km on 3 litres of petrol. How far can it go on 22 litres (in km)?
20. 20.A car goes 99 km on 11 litres of petrol. How far can it go on 27 litres (in km)?
21. 21.If 2 kg of rice costs ₹50, how many kg can you buy for ₹125?
22. 22.If 4 kg of rice costs ₹260, how many kg can you buy for ₹650?
23. 23.A car goes 264 km on 11 litres of petrol. How far can it go on 8 litres (in km)?
24. 24.If 9 kg of rice costs ₹180, how many kg can you buy for ₹100?
25. 25.If 2 erasers cost ₹108, how much do 7 erasers cost (in ₹)?
26. 26.A hostel has enough food for 3 students for 25 days. How many days will the same food last for 5 students?
27. 27.7 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
28. 28.A hostel has enough food for 6 students for 18 days. How many days will the same food last for 12 students?
29. 29.6 painters can paint a school in 11 days. How many days would 2 painters take, working at the same speed?
30. 30.If 8 kg of rice costs ₹296, how many kg can you buy for ₹444?
31. 31.A car goes 230 km on 10 litres of petrol. How far can it go on 12 litres (in km)?
32. 32.2 painters can paint a school in 20 days. How many days would 20 painters take, working at the same speed?
33. 33.If 5 kg of rice costs ₹405, how many kg can you buy for ₹162?
34. 34.If 6 pencil boxes cost ₹72, how much do 13 pencil boxes cost (in ₹)?
35. 35.A car goes 125 km on 5 litres of petrol. How far can it go on 11 litres (in km)?
36. 36.A hostel has enough food for 5 students for 26 days. How many days will the same food last for 10 students?
37. 37.A hostel has enough food for 6 students for 4 days. How many days will the same food last for 3 students?
38. 38.A hostel has enough food for 12 students for 9 days. How many days will the same food last for 6 students?
39. 39.If 4 kg of rice costs ₹344, how many kg can you buy for ₹860?
40. 40.If 2 kg of rice costs ₹50, how many kg can you buy for ₹100?

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