Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 278 · 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 170 km on 10 litres of petrol. How far can it go on 33 litres (in km)?
2. 2.A car goes 24 km on 3 litres of petrol. How far can it go on 31 litres (in km)?
3. 3.A hostel has enough food for 7 students for 16 days. How many days will the same food last for 2 students?
4. 4.A hostel has enough food for 2 students for 25 days. How many days will the same food last for 5 students?
5. 5.If 10 notebooks cost ₹100, how much do 14 notebooks cost (in ₹)?
6. 6.If 6 kg of rice costs ₹144, how many kg can you buy for ₹240?
7. 7.If 6 kg of rice costs ₹240, how many kg can you buy for ₹400?
8. 8.If 3 notebooks cost ₹39, how much do 7 notebooks cost (in ₹)?
9. 9.If 11 erasers cost ₹99, how much do 2 erasers cost (in ₹)?
10. 10.If 4 erasers cost ₹164, how much do 14 erasers cost (in ₹)?
11. 11.If 8 kg of rice costs ₹224, how many kg can you buy for ₹252?
12. 12.10 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
13. 13.If 4 erasers cost ₹184, how much do 20 erasers cost (in ₹)?
14. 14.A car goes 50 km on 5 litres of petrol. How far can it go on 33 litres (in km)?
15. 15.If 9 pens cost ₹81, how much do 8 pens cost (in ₹)?
16. 16.A hostel has enough food for 8 students for 11 days. How many days will the same food last for 11 students?
17. 17.A hostel has enough food for 12 students for 22 days. How many days will the same food last for 6 students?
18. 18.A car goes 162 km on 9 litres of petrol. How far can it go on 26 litres (in km)?
19. 19.6 painters can paint a school in 24 days. How many days would 16 painters take, working at the same speed?
20. 20.A car goes 90 km on 10 litres of petrol. How far can it go on 24 litres (in km)?
21. 21.A hostel has enough food for 11 students for 24 days. How many days will the same food last for 6 students?
22. 22.10 painters can paint a school in 24 days. How many days would 15 painters take, working at the same speed?
23. 23.12 painters can paint a school in 10 days. How many days would 3 painters take, working at the same speed?
24. 24.If 5 kg of rice costs ₹255, how many kg can you buy for ₹204?
25. 25.If 4 kg of rice costs ₹136, how many kg can you buy for ₹408?
26. 26.3 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
27. 27.2 painters can paint a school in 20 days. How many days would 4 painters take, working at the same speed?
28. 28.If 7 kg of rice costs ₹196, how many kg can you buy for ₹84?
29. 29.A car goes 44 km on 2 litres of petrol. How far can it go on 5 litres (in km)?
30. 30.If 2 kites cost ₹110, how much do 3 kites cost (in ₹)?
31. 31.If 8 kg of rice costs ₹160, how many kg can you buy for ₹40?
32. 32.A car goes 72 km on 9 litres of petrol. How far can it go on 4 litres (in km)?
33. 33.A hostel has enough food for 11 students for 5 days. How many days will the same food last for 5 students?
34. 34.If 11 kites cost ₹253, how much do 16 kites cost (in ₹)?
35. 35.If 12 erasers cost ₹336, how much do 4 erasers cost (in ₹)?
36. 36.A car goes 88 km on 8 litres of petrol. How far can it go on 21 litres (in km)?
37. 37.A car goes 45 km on 5 litres of petrol. How far can it go on 34 litres (in km)?
38. 38.If 7 kg of rice costs ₹287, how many kg can you buy for ₹205?
39. 39.If 3 kg of rice costs ₹189, how many kg can you buy for ₹756?
40. 40.A hostel has enough food for 6 students for 23 days. How many days will the same food last for 23 students?

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