Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 401 · 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 45 km on 5 litres of petrol. How far can it go on 18 litres (in km)?
2. 2.A hostel has enough food for 7 students for 5 days. How many days will the same food last for 5 students?
3. 3.If 2 kg of rice costs ₹90, how many kg can you buy for ₹360?
4. 4.A hostel has enough food for 11 students for 13 days. How many days will the same food last for 13 students?
5. 5.9 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
6. 6.If 9 kg of rice costs ₹405, how many kg can you buy for ₹495?
7. 7.If 5 kg of rice costs ₹110, how many kg can you buy for ₹264?
8. 8.If 8 pens cost ₹176, how much do 6 pens cost (in ₹)?
9. 9.5 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
10. 10.A hostel has enough food for 12 students for 4 days. How many days will the same food last for 24 students?
11. 11.If 5 kg of rice costs ₹230, how many kg can you buy for ₹322?
12. 12.If 6 mangoes cost ₹264, how much do 2 mangoes cost (in ₹)?
13. 13.If 5 erasers cost ₹45, how much do 20 erasers cost (in ₹)?
14. 14.If 2 kg of rice costs ₹118, how many kg can you buy for ₹472?
15. 15.If 11 bottles of juice cost ₹352, how much do 4 bottles of juice cost (in ₹)?
16. 16.A car goes 126 km on 7 litres of petrol. How far can it go on 20 litres (in km)?
17. 17.A car goes 90 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
18. 18.If 5 kg of rice costs ₹155, how many kg can you buy for ₹341?
19. 19.3 painters can paint a school in 16 days. How many days would 24 painters take, working at the same speed?
20. 20.A car goes 112 km on 8 litres of petrol. How far can it go on 28 litres (in km)?
21. 21.A hostel has enough food for 3 students for 19 days. How many days will the same food last for 19 students?
22. 22.If 7 cricket balls cost ₹21, how much do 8 cricket balls cost (in ₹)?
23. 23.7 painters can paint a school in 10 days. How many days would 14 painters take, working at the same speed?
24. 24.If 9 kg of rice costs ₹603, how many kg can you buy for ₹536?
25. 25.If 2 kg of rice costs ₹128, how many kg can you buy for ₹512?
26. 26.If 9 mangoes cost ₹90, how much do 15 mangoes cost (in ₹)?
27. 27.A car goes 156 km on 12 litres of petrol. How far can it go on 4 litres (in km)?
28. 28.A car goes 120 km on 12 litres of petrol. How far can it go on 20 litres (in km)?
29. 29.A car goes 48 km on 2 litres of petrol. How far can it go on 10 litres (in km)?
30. 30.If 3 kg of rice costs ₹225, how many kg can you buy for ₹675?
31. 31.A hostel has enough food for 7 students for 26 days. How many days will the same food last for 13 students?
32. 32.A car goes 39 km on 3 litres of petrol. How far can it go on 29 litres (in km)?
33. 33.A hostel has enough food for 8 students for 29 days. How many days will the same food last for 4 students?
34. 34.If 7 mangoes cost ₹364, how much do 4 mangoes cost (in ₹)?
35. 35.6 painters can paint a school in 22 days. How many days would 11 painters take, working at the same speed?
36. 36.A car goes 136 km on 8 litres of petrol. How far can it go on 18 litres (in km)?
37. 37.5 painters can paint a school in 14 days. How many days would 2 painters take, working at the same speed?
38. 38.If 8 kg of rice costs ₹312, how many kg can you buy for ₹234?
39. 39.A hostel has enough food for 12 students for 12 days. How many days will the same food last for 18 students?
40. 40.If 11 cricket balls cost ₹429, how much do 19 cricket balls cost (in ₹)?

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