Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 115 · 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 56 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
2. 2.If 6 erasers cost ₹204, how much do 8 erasers cost (in ₹)?
3. 3.6 painters can paint a school in 16 days. How many days would 3 painters take, working at the same speed?
4. 4.If 4 kg of rice costs ₹172, how many kg can you buy for ₹215?
5. 5.If 12 mangoes cost ₹456, how much do 17 mangoes cost (in ₹)?
6. 6.A car goes 105 km on 7 litres of petrol. How far can it go on 10 litres (in km)?
7. 7.A car goes 117 km on 9 litres of petrol. How far can it go on 4 litres (in km)?
8. 8.If 6 kg of rice costs ₹534, how many kg can you buy for ₹979?
9. 9.If 3 kg of rice costs ₹117, how many kg can you buy for ₹546?
10. 10.If 4 bottles of juice cost ₹228, how much do 15 bottles of juice cost (in ₹)?
11. 11.A car goes 120 km on 10 litres of petrol. How far can it go on 14 litres (in km)?
12. 12.A car goes 120 km on 10 litres of petrol. How far can it go on 22 litres (in km)?
13. 13.A car goes 64 km on 4 litres of petrol. How far can it go on 30 litres (in km)?
14. 14.If 9 notebooks cost ₹477, how much do 20 notebooks cost (in ₹)?
15. 15.11 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
16. 16.If 9 bottles of juice cost ₹459, how much do 19 bottles of juice cost (in ₹)?
17. 17.A car goes 80 km on 10 litres of petrol. How far can it go on 37 litres (in km)?
18. 18.If 6 kg of rice costs ₹264, how many kg can you buy for ₹352?
19. 19.7 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
20. 20.A hostel has enough food for 3 students for 15 days. How many days will the same food last for 5 students?
21. 21.A car goes 90 km on 10 litres of petrol. How far can it go on 16 litres (in km)?
22. 22.A hostel has enough food for 3 students for 18 days. How many days will the same food last for 9 students?
23. 23.A car goes 60 km on 4 litres of petrol. How far can it go on 37 litres (in km)?
24. 24.A car goes 78 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
25. 25.If 3 kg of rice costs ₹69, how many kg can you buy for ₹322?
26. 26.If 2 erasers cost ₹112, how much do 12 erasers cost (in ₹)?
27. 27.If 5 erasers cost ₹80, how much do 20 erasers cost (in ₹)?
28. 28.If 5 kg of rice costs ₹280, how many kg can you buy for ₹728?
29. 29.If 2 kg of rice costs ₹52, how many kg can you buy for ₹156?
30. 30.If 4 pens cost ₹32, how much do 2 pens cost (in ₹)?
31. 31.If 7 cricket balls cost ₹336, how much do 14 cricket balls cost (in ₹)?
32. 32.A car goes 54 km on 6 litres of petrol. How far can it go on 5 litres (in km)?
33. 33.If 7 kites cost ₹406, how much do 10 kites cost (in ₹)?
34. 34.5 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
35. 35.A car goes 80 km on 10 litres of petrol. How far can it go on 20 litres (in km)?
36. 36.If 3 pens cost ₹174, how much do 4 pens cost (in ₹)?
37. 37.A car goes 140 km on 7 litres of petrol. How far can it go on 15 litres (in km)?
38. 38.4 painters can paint a school in 8 days. How many days would 2 painters take, working at the same speed?
39. 39.A car goes 95 km on 5 litres of petrol. How far can it go on 39 litres (in km)?
40. 40.12 painters can paint a school in 8 days. How many days would 6 painters take, working at the same speed?

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