Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 488 · 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 car goes 80 km on 10 litres of petrol. How far can it go on 3 litres (in km)?
2. 2.A car goes 220 km on 10 litres of petrol. How far can it go on 25 litres (in km)?
3. 3.If 12 pencil boxes cost ₹468, how much do 2 pencil boxes cost (in ₹)?
4. 4.If 9 erasers cost ₹423, how much do 15 erasers cost (in ₹)?
5. 5.7 painters can paint a school in 27 days. How many days would 21 painters take, working at the same speed?
6. 6.A car goes 130 km on 10 litres of petrol. How far can it go on 31 litres (in km)?
7. 7.If 4 kg of rice costs ₹136, how many kg can you buy for ₹102?
8. 8.If 2 mangoes cost ₹6, how much do 16 mangoes cost (in ₹)?
9. 9.If 11 notebooks cost ₹418, how much do 14 notebooks cost (in ₹)?
10. 10.10 painters can paint a school in 17 days. How many days would 5 painters take, working at the same speed?
11. 11.A hostel has enough food for 9 students for 18 days. How many days will the same food last for 6 students?
12. 12.10 painters can paint a school in 21 days. How many days would 14 painters take, working at the same speed?
13. 13.A hostel has enough food for 8 students for 29 days. How many days will the same food last for 4 students?
14. 14.If 8 kg of rice costs ₹680, how many kg can you buy for ₹850?
15. 15.A car goes 150 km on 10 litres of petrol. How far can it go on 33 litres (in km)?
16. 16.A car goes 231 km on 11 litres of petrol. How far can it go on 12 litres (in km)?
17. 17.8 painters can paint a school in 19 days. How many days would 4 painters take, working at the same speed?
18. 18.If 2 kg of rice costs ₹48, how many kg can you buy for ₹72?
19. 19.If 8 kg of rice costs ₹296, how many kg can you buy for ₹444?
20. 20.If 3 mangoes cost ₹39, how much do 5 mangoes cost (in ₹)?
21. 21.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
22. 22.If 6 kg of rice costs ₹126, how many kg can you buy for ₹231?
23. 23.If 2 mangoes cost ₹76, how much do 14 mangoes cost (in ₹)?
24. 24.A hostel has enough food for 5 students for 22 days. How many days will the same food last for 2 students?
25. 25.A hostel has enough food for 12 students for 10 days. How many days will the same food last for 20 students?
26. 26.2 painters can paint a school in 12 days. How many days would 12 painters take, working at the same speed?
27. 27.If 8 notebooks cost ₹160, how much do 19 notebooks cost (in ₹)?
28. 28.A hostel has enough food for 9 students for 16 days. How many days will the same food last for 4 students?
29. 29.If 7 kg of rice costs ₹294, how many kg can you buy for ₹84?
30. 30.4 painters can paint a school in 30 days. How many days would 5 painters take, working at the same speed?
31. 31.If 11 cricket balls cost ₹605, how much do 17 cricket balls cost (in ₹)?
32. 32.If 3 erasers cost ₹168, how much do 20 erasers cost (in ₹)?
33. 33.A hostel has enough food for 5 students for 16 days. How many days will the same food last for 2 students?
34. 34.If 6 mangoes cost ₹132, how much do 15 mangoes cost (in ₹)?
35. 35.If 11 bottles of juice cost ₹154, how much do 4 bottles of juice cost (in ₹)?
36. 36.A car goes 112 km on 8 litres of petrol. How far can it go on 9 litres (in km)?
37. 37.A car goes 70 km on 7 litres of petrol. How far can it go on 37 litres (in km)?
38. 38.If 11 cricket balls cost ₹539, how much do 9 cricket balls cost (in ₹)?
39. 39.A hostel has enough food for 6 students for 15 days. How many days will the same food last for 2 students?
40. 40.If 3 kites cost ₹69, how much do 2 kites cost (in ₹)?

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