Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 41 · 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. 1.11 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
2. 2.A car goes 154 km on 7 litres of petrol. How far can it go on 12 litres (in km)?
3. 3.If 7 kites cost ₹287, how much do 14 kites cost (in ₹)?
4. 4.A car goes 72 km on 8 litres of petrol. How far can it go on 24 litres (in km)?
5. 5.If 3 kg of rice costs ₹90, how many kg can you buy for ₹330?
6. 6.10 painters can paint a school in 27 days. How many days would 6 painters take, working at the same speed?
7. 7.A hostel has enough food for 7 students for 5 days. How many days will the same food last for 5 students?
8. 8.6 painters can paint a school in 22 days. How many days would 12 painters take, working at the same speed?
9. 9.A car goes 112 km on 8 litres of petrol. How far can it go on 15 litres (in km)?
10. 10.A hostel has enough food for 3 students for 12 days. How many days will the same food last for 4 students?
11. 11.If 4 mangoes cost ₹212, how much do 2 mangoes cost (in ₹)?
12. 12.12 painters can paint a school in 11 days. How many days would 22 painters take, working at the same speed?
13. 13.If 6 pens cost ₹324, how much do 17 pens cost (in ₹)?
14. 14.If 9 kites cost ₹279, how much do 10 kites cost (in ₹)?
15. 15.If 7 cricket balls cost ₹182, how much do 5 cricket balls cost (in ₹)?
16. 16.A car goes 63 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
17. 17.If 9 kg of rice costs ₹801, how many kg can you buy for ₹890?
18. 18.If 8 kg of rice costs ₹392, how many kg can you buy for ₹245?
19. 19.If 11 erasers cost ₹33, how much do 19 erasers cost (in ₹)?
20. 20.If 6 kg of rice costs ₹186, how many kg can you buy for ₹465?
21. 21.A car goes 90 km on 6 litres of petrol. How far can it go on 11 litres (in km)?
22. 22.A car goes 96 km on 6 litres of petrol. How far can it go on 38 litres (in km)?
23. 23.A car goes 50 km on 5 litres of petrol. How far can it go on 36 litres (in km)?
24. 24.9 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
25. 25.If 3 kg of rice costs ₹108, how many kg can you buy for ₹216?
26. 26.A car goes 30 km on 2 litres of petrol. How far can it go on 34 litres (in km)?
27. 27.If 3 kg of rice costs ₹108, how many kg can you buy for ₹180?
28. 28.A car goes 45 km on 5 litres of petrol. How far can it go on 4 litres (in km)?
29. 29.A car goes 102 km on 6 litres of petrol. How far can it go on 36 litres (in km)?
30. 30.If 8 erasers cost ₹216, how much do 3 erasers cost (in ₹)?
31. 31.If 11 mangoes cost ₹660, how much do 19 mangoes cost (in ₹)?
32. 32.If 8 notebooks cost ₹48, how much do 10 notebooks cost (in ₹)?
33. 33.If 10 mangoes cost ₹90, how much do 5 mangoes cost (in ₹)?
34. 34.A car goes 30 km on 3 litres of petrol. How far can it go on 19 litres (in km)?
35. 35.If 8 pens cost ₹216, how much do 16 pens cost (in ₹)?
36. 36.A car goes 26 km on 2 litres of petrol. How far can it go on 9 litres (in km)?
37. 37.A car goes 90 km on 5 litres of petrol. How far can it go on 15 litres (in km)?
38. 38.A car goes 140 km on 10 litres of petrol. How far can it go on 37 litres (in km)?
39. 39.A hostel has enough food for 9 students for 18 days. How many days will the same food last for 18 students?
40. 40.If 2 kg of rice costs ₹58, how many kg can you buy for ₹116?

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