Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 314 · 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 10 bottles of juice cost ₹400, how much do 15 bottles of juice cost (in ₹)?
2. 2.10 painters can paint a school in 20 days. How many days would 8 painters take, working at the same speed?
3. 3.A car goes 88 km on 8 litres of petrol. How far can it go on 24 litres (in km)?
4. 4.A hostel has enough food for 12 students for 26 days. How many days will the same food last for 6 students?
5. 5.A car goes 40 km on 4 litres of petrol. How far can it go on 26 litres (in km)?
6. 6.If 9 mangoes cost ₹270, how much do 6 mangoes cost (in ₹)?
7. 7.A car goes 153 km on 9 litres of petrol. How far can it go on 4 litres (in km)?
8. 8.If 9 erasers cost ₹72, how much do 19 erasers cost (in ₹)?
9. 9.If 6 kg of rice costs ₹414, how many kg can you buy for ₹483?
10. 10.If 2 erasers cost ₹60, how much do 9 erasers cost (in ₹)?
11. 11.5 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
12. 12.A car goes 60 km on 3 litres of petrol. How far can it go on 25 litres (in km)?
13. 13.If 8 pens cost ₹120, how much do 15 pens cost (in ₹)?
14. 14.A car goes 38 km on 2 litres of petrol. How far can it go on 24 litres (in km)?
15. 15.A car goes 220 km on 10 litres of petrol. How far can it go on 37 litres (in km)?
16. 16.A car goes 200 km on 8 litres of petrol. How far can it go on 37 litres (in km)?
17. 17.A car goes 36 km on 2 litres of petrol. How far can it go on 34 litres (in km)?
18. 18.A car goes 24 km on 3 litres of petrol. How far can it go on 10 litres (in km)?
19. 19.If 6 kg of rice costs ₹270, how many kg can you buy for ₹405?
20. 20.A car goes 45 km on 3 litres of petrol. How far can it go on 14 litres (in km)?
21. 21.5 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
22. 22.3 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
23. 23.A hostel has enough food for 9 students for 21 days. How many days will the same food last for 21 students?
24. 24.A car goes 55 km on 5 litres of petrol. How far can it go on 2 litres (in km)?
25. 25.9 painters can paint a school in 12 days. How many days would 18 painters take, working at the same speed?
26. 26.If 2 kites cost ₹14, how much do 19 kites cost (in ₹)?
27. 27.A hostel has enough food for 8 students for 6 days. How many days will the same food last for 3 students?
28. 28.A hostel has enough food for 7 students for 28 days. How many days will the same food last for 4 students?
29. 29.A car goes 115 km on 5 litres of petrol. How far can it go on 39 litres (in km)?
30. 30.A hostel has enough food for 7 students for 18 days. How many days will the same food last for 21 students?
31. 31.If 2 kg of rice costs ₹166, how many kg can you buy for ₹747?
32. 32.If 5 cricket balls cost ₹265, how much do 13 cricket balls cost (in ₹)?
33. 33.If 8 kg of rice costs ₹232, how many kg can you buy for ₹406?
34. 34.If 10 cricket balls cost ₹530, how much do 8 cricket balls cost (in ₹)?
35. 35.3 painters can paint a school in 24 days. How many days would 9 painters take, working at the same speed?
36. 36.4 painters can paint a school in 30 days. How many days would 8 painters take, working at the same speed?
37. 37.If 10 kites cost ₹510, how much do 12 kites cost (in ₹)?
38. 38.If 6 pens cost ₹36, how much do 13 pens cost (in ₹)?
39. 39.If 3 bottles of juice cost ₹111, how much do 2 bottles of juice cost (in ₹)?
40. 40.A car goes 198 km on 11 litres of petrol. How far can it go on 13 litres (in km)?

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