Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 413 · 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 75 km on 3 litres of petrol. How far can it go on 23 litres (in km)?
2. 2.5 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
3. 3.A car goes 198 km on 9 litres of petrol. How far can it go on 22 litres (in km)?
4. 4.9 painters can paint a school in 4 days. How many days would 6 painters take, working at the same speed?
5. 5.12 painters can paint a school in 26 days. How many days would 24 painters take, working at the same speed?
6. 6.If 6 kg of rice costs ₹462, how many kg can you buy for ₹616?
7. 7.A car goes 144 km on 8 litres of petrol. How far can it go on 31 litres (in km)?
8. 8.4 painters can paint a school in 21 days. How many days would 2 painters take, working at the same speed?
9. 9.A car goes 81 km on 9 litres of petrol. How far can it go on 35 litres (in km)?
10. 10.If 2 pens cost ₹70, how much do 19 pens cost (in ₹)?
11. 11.If 5 kg of rice costs ₹295, how many kg can you buy for ₹177?
12. 12.If 11 cricket balls cost ₹253, how much do 16 cricket balls cost (in ₹)?
13. 13.If 3 pencil boxes cost ₹60, how much do 5 pencil boxes cost (in ₹)?
14. 14.If 9 kg of rice costs ₹261, how many kg can you buy for ₹174?
15. 15.A hostel has enough food for 4 students for 19 days. How many days will the same food last for 2 students?
16. 16.A hostel has enough food for 4 students for 29 days. How many days will the same food last for 2 students?
17. 17.If 3 kites cost ₹75, how much do 11 kites cost (in ₹)?
18. 18.If 3 kg of rice costs ₹270, how many kg can you buy for ₹1350?
19. 19.If 4 erasers cost ₹104, how much do 11 erasers cost (in ₹)?
20. 20.3 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
21. 21.11 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
22. 22.If 7 mangoes cost ₹322, how much do 6 mangoes cost (in ₹)?
23. 23.A car goes 40 km on 5 litres of petrol. How far can it go on 23 litres (in km)?
24. 24.If 3 bottles of juice cost ₹30, how much do 13 bottles of juice cost (in ₹)?
25. 25.If 4 pens cost ₹12, how much do 11 pens cost (in ₹)?
26. 26.If 4 kg of rice costs ₹144, how many kg can you buy for ₹324?
27. 27.A car goes 72 km on 6 litres of petrol. How far can it go on 31 litres (in km)?
28. 28.If 3 kg of rice costs ₹225, how many kg can you buy for ₹150?
29. 29.If 3 kg of rice costs ₹90, how many kg can you buy for ₹240?
30. 30.If 5 cricket balls cost ₹215, how much do 12 cricket balls cost (in ₹)?
31. 31.If 5 kg of rice costs ₹175, how many kg can you buy for ₹70?
32. 32.If 5 bottles of juice cost ₹60, how much do 18 bottles of juice cost (in ₹)?
33. 33.A car goes 168 km on 12 litres of petrol. How far can it go on 28 litres (in km)?
34. 34.If 2 pens cost ₹10, how much do 8 pens cost (in ₹)?
35. 35.7 painters can paint a school in 20 days. How many days would 5 painters take, working at the same speed?
36. 36.If 2 mangoes cost ₹52, how much do 12 mangoes cost (in ₹)?
37. 37.A car goes 144 km on 12 litres of petrol. How far can it go on 35 litres (in km)?
38. 38.A hostel has enough food for 2 students for 18 days. How many days will the same food last for 9 students?
39. 39.A hostel has enough food for 10 students for 24 days. How many days will the same food last for 20 students?
40. 40.A car goes 54 km on 3 litres of petrol. How far can it go on 26 litres (in km)?

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