Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 88 · 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 4 days. How many days would 8 painters take, working at the same speed?
2. 2.If 12 pens cost ₹180, how much do 4 pens cost (in ₹)?
3. 3.A car goes 65 km on 5 litres of petrol. How far can it go on 6 litres (in km)?
4. 4.If 4 kg of rice costs ₹196, how many kg can you buy for ₹98?
5. 5.2 painters can paint a school in 14 days. How many days would 4 painters take, working at the same speed?
6. 6.A car goes 110 km on 11 litres of petrol. How far can it go on 35 litres (in km)?
7. 7.If 8 kg of rice costs ₹392, how many kg can you buy for ₹588?
8. 8.If 5 kg of rice costs ₹350, how many kg can you buy for ₹140?
9. 9.A car goes 27 km on 3 litres of petrol. How far can it go on 33 litres (in km)?
10. 10.6 painters can paint a school in 30 days. How many days would 4 painters take, working at the same speed?
11. 11.9 painters can paint a school in 17 days. How many days would 3 painters take, working at the same speed?
12. 12.12 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?
13. 13.A car goes 136 km on 8 litres of petrol. How far can it go on 11 litres (in km)?
14. 14.8 painters can paint a school in 11 days. How many days would 4 painters take, working at the same speed?
15. 15.A car goes 16 km on 2 litres of petrol. How far can it go on 26 litres (in km)?
16. 16.8 painters can paint a school in 14 days. How many days would 4 painters take, working at the same speed?
17. 17.If 4 kg of rice costs ₹216, how many kg can you buy for ₹270?
18. 18.If 11 kites cost ₹110, how much do 20 kites cost (in ₹)?
19. 19.If 5 pens cost ₹275, how much do 6 pens cost (in ₹)?
20. 20.If 5 kites cost ₹145, how much do 11 kites cost (in ₹)?
21. 21.8 painters can paint a school in 29 days. How many days would 4 painters take, working at the same speed?
22. 22.If 2 kg of rice costs ₹168, how many kg can you buy for ₹420?
23. 23.A car goes 250 km on 10 litres of petrol. How far can it go on 24 litres (in km)?
24. 24.If 6 kg of rice costs ₹426, how many kg can you buy for ₹213?
25. 25.If 2 kg of rice costs ₹76, how many kg can you buy for ₹342?
26. 26.3 painters can paint a school in 28 days. How many days would 12 painters take, working at the same speed?
27. 27.If 3 kg of rice costs ₹81, how many kg can you buy for ₹108?
28. 28.A hostel has enough food for 11 students for 9 days. How many days will the same food last for 9 students?
29. 29.If 8 cricket balls cost ₹280, how much do 3 cricket balls cost (in ₹)?
30. 30.A hostel has enough food for 5 students for 26 days. How many days will the same food last for 10 students?
31. 31.A car goes 168 km on 7 litres of petrol. How far can it go on 11 litres (in km)?
32. 32.If 2 kg of rice costs ₹100, how many kg can you buy for ₹500?
33. 33.A hostel has enough food for 7 students for 11 days. How many days will the same food last for 11 students?
34. 34.If 5 kg of rice costs ₹250, how many kg can you buy for ₹200?
35. 35.A car goes 72 km on 3 litres of petrol. How far can it go on 16 litres (in km)?
36. 36.If 10 pencil boxes cost ₹530, how much do 17 pencil boxes cost (in ₹)?
37. 37.If 6 mangoes cost ₹270, how much do 15 mangoes cost (in ₹)?
38. 38.If 7 kg of rice costs ₹448, how many kg can you buy for ₹256?
39. 39.If 5 pencil boxes cost ₹160, how much do 9 pencil boxes cost (in ₹)?
40. 40.A hostel has enough food for 2 students for 20 days. How many days will the same food last for 20 students?

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