Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 320 · 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 40 km on 5 litres of petrol. How far can it go on 12 litres (in km)?
2. 2.If 8 kg of rice costs ₹672, how many kg can you buy for ₹336?
3. 3.If 4 kg of rice costs ₹152, how many kg can you buy for ₹114?
4. 4.2 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
5. 5.A car goes 57 km on 3 litres of petrol. How far can it go on 28 litres (in km)?
6. 6.A car goes 264 km on 12 litres of petrol. How far can it go on 8 litres (in km)?
7. 7.9 painters can paint a school in 11 days. How many days would 3 painters take, working at the same speed?
8. 8.7 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
9. 9.If 7 kg of rice costs ₹497, how many kg can you buy for ₹852?
10. 10.A car goes 72 km on 4 litres of petrol. How far can it go on 15 litres (in km)?
11. 11.A car goes 135 km on 9 litres of petrol. How far can it go on 37 litres (in km)?
12. 12.7 painters can paint a school in 8 days. How many days would 14 painters take, working at the same speed?
13. 13.If 2 kg of rice costs ₹82, how many kg can you buy for ₹328?
14. 14.If 12 mangoes cost ₹216, how much do 6 mangoes cost (in ₹)?
15. 15.If 8 kg of rice costs ₹616, how many kg can you buy for ₹847?
16. 16.If 4 erasers cost ₹28, how much do 16 erasers cost (in ₹)?
17. 17.If 4 notebooks cost ₹56, how much do 13 notebooks cost (in ₹)?
18. 18.12 painters can paint a school in 18 days. How many days would 24 painters take, working at the same speed?
19. 19.A hostel has enough food for 2 students for 13 days. How many days will the same food last for 13 students?
20. 20.If 3 kg of rice costs ₹72, how many kg can you buy for ₹312?
21. 21.A car goes 28 km on 2 litres of petrol. How far can it go on 3 litres (in km)?
22. 22.10 painters can paint a school in 17 days. How many days would 5 painters take, working at the same speed?
23. 23.A car goes 64 km on 4 litres of petrol. How far can it go on 31 litres (in km)?
24. 24.A car goes 70 km on 5 litres of petrol. How far can it go on 8 litres (in km)?
25. 25.If 7 kg of rice costs ₹343, how many kg can you buy for ₹735?
26. 26.If 2 kg of rice costs ₹100, how many kg can you buy for ₹350?
27. 27.If 8 kg of rice costs ₹208, how many kg can you buy for ₹390?
28. 28.5 painters can paint a school in 21 days. How many days would 3 painters take, working at the same speed?
29. 29.If 11 pencil boxes cost ₹198, how much do 7 pencil boxes cost (in ₹)?
30. 30.If 9 pens cost ₹189, how much do 3 pens cost (in ₹)?
31. 31.If 8 notebooks cost ₹144, how much do 14 notebooks cost (in ₹)?
32. 32.3 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
33. 33.A hostel has enough food for 12 students for 5 days. How many days will the same food last for 4 students?
34. 34.A car goes 36 km on 4 litres of petrol. How far can it go on 29 litres (in km)?
35. 35.A car goes 36 km on 3 litres of petrol. How far can it go on 31 litres (in km)?
36. 36.If 5 kg of rice costs ₹155, how many kg can you buy for ₹186?
37. 37.A hostel has enough food for 11 students for 5 days. How many days will the same food last for 5 students?
38. 38.If 3 mangoes cost ₹15, how much do 5 mangoes cost (in ₹)?
39. 39.A hostel has enough food for 11 students for 16 days. How many days will the same food last for 8 students?
40. 40.If 3 notebooks cost ₹132, how much do 16 notebooks cost (in ₹)?

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