Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 347 · 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. 1.4 painters can paint a school in 29 days. How many days would 2 painters take, working at the same speed?
2. 2.A car goes 110 km on 11 litres of petrol. How far can it go on 23 litres (in km)?
3. 3.If 7 kg of rice costs ₹518, how many kg can you buy for ₹370?
4. 4.A car goes 112 km on 8 litres of petrol. How far can it go on 24 litres (in km)?
5. 5.A hostel has enough food for 6 students for 24 days. How many days will the same food last for 4 students?
6. 6.A car goes 115 km on 5 litres of petrol. How far can it go on 10 litres (in km)?
7. 7.If 4 kg of rice costs ₹124, how many kg can you buy for ₹465?
8. 8.If 12 cricket balls cost ₹684, how much do 18 cricket balls cost (in ₹)?
9. 9.A hostel has enough food for 5 students for 14 days. How many days will the same food last for 14 students?
10. 10.If 2 kg of rice costs ₹128, how many kg can you buy for ₹640?
11. 11.If 8 kg of rice costs ₹384, how many kg can you buy for ₹528?
12. 12.If 2 kg of rice costs ₹54, how many kg can you buy for ₹189?
13. 13.If 5 pens cost ₹15, how much do 6 pens cost (in ₹)?
14. 14.2 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
15. 15.If 4 bottles of juice cost ₹28, how much do 15 bottles of juice cost (in ₹)?
16. 16.If 4 kg of rice costs ₹268, how many kg can you buy for ₹335?
17. 17.If 4 cricket balls cost ₹60, how much do 7 cricket balls cost (in ₹)?
18. 18.6 painters can paint a school in 16 days. How many days would 24 painters take, working at the same speed?
19. 19.If 12 erasers cost ₹360, how much do 8 erasers cost (in ₹)?
20. 20.If 9 mangoes cost ₹342, how much do 14 mangoes cost (in ₹)?
21. 21.4 painters can paint a school in 21 days. How many days would 14 painters take, working at the same speed?
22. 22.If 6 pens cost ₹216, how much do 4 pens cost (in ₹)?
23. 23.A car goes 60 km on 3 litres of petrol. How far can it go on 13 litres (in km)?
24. 24.If 3 kg of rice costs ₹186, how many kg can you buy for ₹744?
25. 25.A car goes 99 km on 11 litres of petrol. How far can it go on 31 litres (in km)?
26. 26.If 3 cricket balls cost ₹123, how much do 18 cricket balls cost (in ₹)?
27. 27.If 4 erasers cost ₹68, how much do 6 erasers cost (in ₹)?
28. 28.A car goes 180 km on 10 litres of petrol. How far can it go on 8 litres (in km)?
29. 29.A car goes 220 km on 10 litres of petrol. How far can it go on 34 litres (in km)?
30. 30.If 7 notebooks cost ₹147, how much do 18 notebooks cost (in ₹)?
31. 31.If 2 pencil boxes cost ₹14, how much do 4 pencil boxes cost (in ₹)?
32. 32.If 3 bottles of juice cost ₹69, how much do 2 bottles of juice cost (in ₹)?
33. 33.If 3 cricket balls cost ₹162, how much do 15 cricket balls cost (in ₹)?
34. 34.If 7 kg of rice costs ₹385, how many kg can you buy for ₹660?
35. 35.If 7 pens cost ₹112, how much do 4 pens cost (in ₹)?
36. 36.If 9 kg of rice costs ₹342, how many kg can you buy for ₹456?
37. 37.If 4 mangoes cost ₹176, how much do 3 mangoes cost (in ₹)?
38. 38.5 painters can paint a school in 15 days. How many days would 3 painters take, working at the same speed?
39. 39.If 8 kg of rice costs ₹240, how many kg can you buy for ₹420?
40. 40.If 9 kg of rice costs ₹558, how many kg can you buy for ₹186?

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