Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 51 · 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 33 km on 3 litres of petrol. How far can it go on 8 litres (in km)?
2. 2.A hostel has enough food for 11 students for 4 days. How many days will the same food last for 2 students?
3. 3.3 painters can paint a school in 18 days. How many days would 2 painters take, working at the same speed?
4. 4.If 2 kg of rice costs ₹172, how many kg can you buy for ₹1290?
5. 5.If 9 kg of rice costs ₹414, how many kg can you buy for ₹322?
6. 6.A car goes 140 km on 7 litres of petrol. How far can it go on 4 litres (in km)?
7. 7.A car goes 162 km on 9 litres of petrol. How far can it go on 3 litres (in km)?
8. 8.If 3 erasers cost ₹159, how much do 4 erasers cost (in ₹)?
9. 9.A car goes 144 km on 8 litres of petrol. How far can it go on 19 litres (in km)?
10. 10.If 11 bottles of juice cost ₹572, how much do 20 bottles of juice cost (in ₹)?
11. 11.If 6 kg of rice costs ₹120, how many kg can you buy for ₹40?
12. 12.A hostel has enough food for 3 students for 4 days. How many days will the same food last for 2 students?
13. 13.A car goes 115 km on 5 litres of petrol. How far can it go on 13 litres (in km)?
14. 14.A car goes 57 km on 3 litres of petrol. How far can it go on 33 litres (in km)?
15. 15.If 5 pens cost ₹225, how much do 4 pens cost (in ₹)?
16. 16.If 6 kg of rice costs ₹510, how many kg can you buy for ₹425?
17. 17.8 painters can paint a school in 14 days. How many days would 2 painters take, working at the same speed?
18. 18.A hostel has enough food for 3 students for 24 days. How many days will the same food last for 4 students?
19. 19.A car goes 150 km on 10 litres of petrol. How far can it go on 30 litres (in km)?
20. 20.If 6 kg of rice costs ₹168, how many kg can you buy for ₹252?
21. 21.A car goes 52 km on 4 litres of petrol. How far can it go on 28 litres (in km)?
22. 22.If 10 mangoes cost ₹30, how much do 20 mangoes cost (in ₹)?
23. 23.If 5 notebooks cost ₹140, how much do 16 notebooks cost (in ₹)?
24. 24.10 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
25. 25.If 5 kg of rice costs ₹155, how many kg can you buy for ₹248?
26. 26.If 5 mangoes cost ₹120, how much do 2 mangoes cost (in ₹)?
27. 27.A car goes 72 km on 6 litres of petrol. How far can it go on 4 litres (in km)?
28. 28.If 2 kg of rice costs ₹104, how many kg can you buy for ₹312?
29. 29.If 4 pens cost ₹168, how much do 17 pens cost (in ₹)?
30. 30.If 2 erasers cost ₹46, how much do 6 erasers cost (in ₹)?
31. 31.A car goes 63 km on 7 litres of petrol. How far can it go on 2 litres (in km)?
32. 32.4 painters can paint a school in 4 days. How many days would 8 painters take, working at the same speed?
33. 33.If 5 kg of rice costs ₹155, how many kg can you buy for ₹186?
34. 34.A car goes 48 km on 6 litres of petrol. How far can it go on 27 litres (in km)?
35. 35.If 6 kg of rice costs ₹384, how many kg can you buy for ₹768?
36. 36.If 9 pens cost ₹432, how much do 3 pens cost (in ₹)?
37. 37.If 8 kg of rice costs ₹672, how many kg can you buy for ₹924?
38. 38.A hostel has enough food for 12 students for 13 days. How many days will the same food last for 3 students?
39. 39.If 6 notebooks cost ₹336, how much do 3 notebooks cost (in ₹)?
40. 40.If 3 kg of rice costs ₹225, how many kg can you buy for ₹975?

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