Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 126 · 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. 1.10 painters can paint a school in 8 days. How many days would 8 painters take, working at the same speed?
2. 2.A car goes 56 km on 7 litres of petrol. How far can it go on 13 litres (in km)?
3. 3.If 4 erasers cost ₹220, how much do 10 erasers cost (in ₹)?
4. 4.If 9 pens cost ₹288, how much do 13 pens cost (in ₹)?
5. 5.A car goes 88 km on 8 litres of petrol. How far can it go on 11 litres (in km)?
6. 6.9 painters can paint a school in 11 days. How many days would 3 painters take, working at the same speed?
7. 7.If 11 pens cost ₹440, how much do 5 pens cost (in ₹)?
8. 8.A hostel has enough food for 2 students for 6 days. How many days will the same food last for 6 students?
9. 9.If 2 kg of rice costs ₹122, how many kg can you buy for ₹549?
10. 10.If 7 kites cost ₹238, how much do 3 kites cost (in ₹)?
11. 11.A car goes 126 km on 6 litres of petrol. How far can it go on 35 litres (in km)?
12. 12.A car goes 135 km on 9 litres of petrol. How far can it go on 20 litres (in km)?
13. 13.A hostel has enough food for 2 students for 27 days. How many days will the same food last for 6 students?
14. 14.If 6 kg of rice costs ₹150, how many kg can you buy for ₹50?
15. 15.If 6 notebooks cost ₹312, how much do 11 notebooks cost (in ₹)?
16. 16.If 12 pens cost ₹132, how much do 14 pens cost (in ₹)?
17. 17.If 7 kg of rice costs ₹217, how many kg can you buy for ₹279?
18. 18.If 12 bottles of juice cost ₹480, how much do 8 bottles of juice cost (in ₹)?
19. 19.If 5 notebooks cost ₹110, how much do 4 notebooks cost (in ₹)?
20. 20.6 painters can paint a school in 24 days. How many days would 24 painters take, working at the same speed?
21. 21.9 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
22. 22.If 12 notebooks cost ₹636, how much do 7 notebooks cost (in ₹)?
23. 23.If 9 kg of rice costs ₹216, how many kg can you buy for ₹288?
24. 24.A car goes 184 km on 8 litres of petrol. How far can it go on 2 litres (in km)?
25. 25.If 8 kg of rice costs ₹416, how many kg can you buy for ₹156?
26. 26.A car goes 276 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
27. 27.If 9 pens cost ₹468, how much do 19 pens cost (in ₹)?
28. 28.If 7 mangoes cost ₹210, how much do 16 mangoes cost (in ₹)?
29. 29.If 2 kg of rice costs ₹156, how many kg can you buy for ₹1092?
30. 30.If 5 kg of rice costs ₹430, how many kg can you buy for ₹1032?
31. 31.If 2 notebooks cost ₹30, how much do 12 notebooks cost (in ₹)?
32. 32.If 4 kg of rice costs ₹324, how many kg can you buy for ₹1134?
33. 33.A hostel has enough food for 7 students for 8 days. How many days will the same food last for 8 students?
34. 34.If 9 pens cost ₹27, how much do 15 pens cost (in ₹)?
35. 35.A hostel has enough food for 10 students for 20 days. How many days will the same food last for 8 students?
36. 36.If 11 bottles of juice cost ₹627, how much do 9 bottles of juice cost (in ₹)?
37. 37.If 3 kg of rice costs ₹201, how many kg can you buy for ₹871?
38. 38.A hostel has enough food for 6 students for 29 days. How many days will the same food last for 3 students?
39. 39.If 5 kg of rice costs ₹355, how many kg can you buy for ₹852?
40. 40.A car goes 252 km on 12 litres of petrol. How far can it go on 3 litres (in km)?

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