Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 570 · 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. 1.6 painters can paint a school in 16 days. How many days would 8 painters take, working at the same speed?
2. 2.If 6 kg of rice costs ₹168, how many kg can you buy for ₹280?
3. 3.If 9 cricket balls cost ₹513, how much do 19 cricket balls cost (in ₹)?
4. 4.A hostel has enough food for 7 students for 20 days. How many days will the same food last for 5 students?
5. 5.A hostel has enough food for 10 students for 12 days. How many days will the same food last for 2 students?
6. 6.If 6 kg of rice costs ₹198, how many kg can you buy for ₹495?
7. 7.A hostel has enough food for 9 students for 21 days. How many days will the same food last for 21 students?
8. 8.If 8 pens cost ₹88, how much do 6 pens cost (in ₹)?
9. 9.A hostel has enough food for 12 students for 24 days. How many days will the same food last for 6 students?
10. 10.2 painters can paint a school in 30 days. How many days would 3 painters take, working at the same speed?
11. 11.If 11 mangoes cost ₹132, how much do 2 mangoes cost (in ₹)?
12. 12.If 3 kg of rice costs ₹147, how many kg can you buy for ₹98?
13. 13.A car goes 108 km on 9 litres of petrol. How far can it go on 16 litres (in km)?
14. 14.If 4 kg of rice costs ₹204, how many kg can you buy for ₹510?
15. 15.If 2 kg of rice costs ₹134, how many kg can you buy for ₹536?
16. 16.A car goes 240 km on 10 litres of petrol. How far can it go on 12 litres (in km)?
17. 17.A car goes 108 km on 12 litres of petrol. How far can it go on 7 litres (in km)?
18. 18.If 2 mangoes cost ₹16, how much do 8 mangoes cost (in ₹)?
19. 19.If 9 kg of rice costs ₹549, how many kg can you buy for ₹122?
20. 20.12 painters can paint a school in 21 days. How many days would 7 painters take, working at the same speed?
21. 21.If 7 kg of rice costs ₹217, how many kg can you buy for ₹155?
22. 22.4 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
23. 23.A car goes 72 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
24. 24.10 painters can paint a school in 20 days. How many days would 4 painters take, working at the same speed?
25. 25.3 painters can paint a school in 6 days. How many days would 2 painters take, working at the same speed?
26. 26.If 2 kg of rice costs ₹174, how many kg can you buy for ₹522?
27. 27.A car goes 65 km on 5 litres of petrol. How far can it go on 16 litres (in km)?
28. 28.A car goes 135 km on 9 litres of petrol. How far can it go on 20 litres (in km)?
29. 29.If 5 kg of rice costs ₹155, how many kg can you buy for ₹124?
30. 30.If 10 mangoes cost ₹350, how much do 14 mangoes cost (in ₹)?
31. 31.A hostel has enough food for 6 students for 25 days. How many days will the same food last for 15 students?
32. 32.If 3 kg of rice costs ₹201, how many kg can you buy for ₹670?
33. 33.If 8 kg of rice costs ₹528, how many kg can you buy for ₹792?
34. 34.If 3 kg of rice costs ₹84, how many kg can you buy for ₹140?
35. 35.A car goes 90 km on 5 litres of petrol. How far can it go on 27 litres (in km)?
36. 36.If 9 notebooks cost ₹216, how much do 12 notebooks cost (in ₹)?
37. 37.A hostel has enough food for 7 students for 12 days. How many days will the same food last for 3 students?
38. 38.If 7 kites cost ₹336, how much do 12 kites cost (in ₹)?
39. 39.If 7 kg of rice costs ₹532, how many kg can you buy for ₹684?
40. 40.3 painters can paint a school in 16 days. How many days would 16 painters take, working at the same speed?

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