Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 422 · 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 154 km on 7 litres of petrol. How far can it go on 37 litres (in km)?
2. 2.A car goes 88 km on 8 litres of petrol. How far can it go on 29 litres (in km)?
3. 3.A hostel has enough food for 2 students for 24 days. How many days will the same food last for 6 students?
4. 4.A car goes 128 km on 8 litres of petrol. How far can it go on 2 litres (in km)?
5. 5.If 4 mangoes cost ₹140, how much do 3 mangoes cost (in ₹)?
6. 6.A hostel has enough food for 3 students for 19 days. How many days will the same food last for 19 students?
7. 7.If 8 kg of rice costs ₹272, how many kg can you buy for ₹170?
8. 8.A car goes 154 km on 11 litres of petrol. How far can it go on 39 litres (in km)?
9. 9.If 12 erasers cost ₹672, how much do 5 erasers cost (in ₹)?
10. 10.If 5 kg of rice costs ₹185, how many kg can you buy for ₹333?
11. 11.A hostel has enough food for 12 students for 20 days. How many days will the same food last for 16 students?
12. 12.If 8 kg of rice costs ₹160, how many kg can you buy for ₹120?
13. 13.10 painters can paint a school in 20 days. How many days would 8 painters take, working at the same speed?
14. 14.If 10 bottles of juice cost ₹540, how much do 5 bottles of juice cost (in ₹)?
15. 15.A hostel has enough food for 9 students for 17 days. How many days will the same food last for 3 students?
16. 16.If 6 kg of rice costs ₹216, how many kg can you buy for ₹180?
17. 17.11 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
18. 18.If 12 bottles of juice cost ₹540, how much do 19 bottles of juice cost (in ₹)?
19. 19.If 3 kg of rice costs ₹168, how many kg can you buy for ₹672?
20. 20.A car goes 105 km on 5 litres of petrol. How far can it go on 8 litres (in km)?
21. 21.A car goes 57 km on 3 litres of petrol. How far can it go on 11 litres (in km)?
22. 22.A car goes 81 km on 9 litres of petrol. How far can it go on 18 litres (in km)?
23. 23.A hostel has enough food for 2 students for 19 days. How many days will the same food last for 19 students?
24. 24.If 7 kg of rice costs ₹350, how many kg can you buy for ₹250?
25. 25.If 3 pens cost ₹21, how much do 2 pens cost (in ₹)?
26. 26.If 2 kites cost ₹10, how much do 9 kites cost (in ₹)?
27. 27.A hostel has enough food for 12 students for 4 days. How many days will the same food last for 8 students?
28. 28.2 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
29. 29.If 7 kites cost ₹308, how much do 17 kites cost (in ₹)?
30. 30.A car goes 144 km on 9 litres of petrol. How far can it go on 35 litres (in km)?
31. 31.If 2 kg of rice costs ₹48, how many kg can you buy for ₹72?
32. 32.If 4 kg of rice costs ₹184, how many kg can you buy for ₹138?
33. 33.If 12 pens cost ₹348, how much do 18 pens cost (in ₹)?
34. 34.If 9 kg of rice costs ₹666, how many kg can you buy for ₹148?
35. 35.If 10 notebooks cost ₹260, how much do 14 notebooks cost (in ₹)?
36. 36.If 6 kg of rice costs ₹450, how many kg can you buy for ₹1125?
37. 37.If 3 mangoes cost ₹45, how much do 18 mangoes cost (in ₹)?
38. 38.A hostel has enough food for 7 students for 18 days. How many days will the same food last for 14 students?
39. 39.If 3 erasers cost ₹39, how much do 11 erasers cost (in ₹)?
40. 40.A car goes 180 km on 10 litres of petrol. How far can it go on 27 litres (in km)?

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