Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 267 · 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. 1.3 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
2. 2.A car goes 100 km on 10 litres of petrol. How far can it go on 5 litres (in km)?
3. 3.A car goes 144 km on 9 litres of petrol. How far can it go on 22 litres (in km)?
4. 4.If 9 mangoes cost ₹477, how much do 5 mangoes cost (in ₹)?
5. 5.3 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
6. 6.If 7 kg of rice costs ₹399, how many kg can you buy for ₹171?
7. 7.If 4 pencil boxes cost ₹168, how much do 14 pencil boxes cost (in ₹)?
8. 8.A car goes 264 km on 11 litres of petrol. How far can it go on 27 litres (in km)?
9. 9.If 4 kg of rice costs ₹344, how many kg can you buy for ₹516?
10. 10.If 6 kg of rice costs ₹210, how many kg can you buy for ₹350?
11. 11.A car goes 300 km on 12 litres of petrol. How far can it go on 13 litres (in km)?
12. 12.If 8 pens cost ₹152, how much do 18 pens cost (in ₹)?
13. 13.If 3 notebooks cost ₹102, how much do 8 notebooks cost (in ₹)?
14. 14.If 2 kg of rice costs ₹90, how many kg can you buy for ₹630?
15. 15.A hostel has enough food for 9 students for 21 days. How many days will the same food last for 7 students?
16. 16.If 8 notebooks cost ₹432, how much do 15 notebooks cost (in ₹)?
17. 17.If 7 kg of rice costs ₹385, how many kg can you buy for ₹110?
18. 18.If 11 mangoes cost ₹275, how much do 2 mangoes cost (in ₹)?
19. 19.A car goes 100 km on 10 litres of petrol. How far can it go on 11 litres (in km)?
20. 20.A hostel has enough food for 12 students for 7 days. How many days will the same food last for 6 students?
21. 21.A hostel has enough food for 3 students for 24 days. How many days will the same food last for 12 students?
22. 22.A car goes 39 km on 3 litres of petrol. How far can it go on 34 litres (in km)?
23. 23.8 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
24. 24.A car goes 32 km on 2 litres of petrol. How far can it go on 6 litres (in km)?
25. 25.6 painters can paint a school in 11 days. How many days would 3 painters take, working at the same speed?
26. 26.If 6 kg of rice costs ₹186, how many kg can you buy for ₹465?
27. 27.2 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?
28. 28.If 6 pencil boxes cost ₹102, how much do 20 pencil boxes cost (in ₹)?
29. 29.If 6 kg of rice costs ₹468, how many kg can you buy for ₹312?
30. 30.If 8 kg of rice costs ₹216, how many kg can you buy for ₹189?
31. 31.If 4 notebooks cost ₹12, how much do 8 notebooks cost (in ₹)?
32. 32.A car goes 40 km on 2 litres of petrol. How far can it go on 22 litres (in km)?
33. 33.If 7 kg of rice costs ₹336, how many kg can you buy for ₹192?
34. 34.If 9 kg of rice costs ₹666, how many kg can you buy for ₹518?
35. 35.A car goes 80 km on 10 litres of petrol. How far can it go on 7 litres (in km)?
36. 36.If 7 erasers cost ₹126, how much do 12 erasers cost (in ₹)?
37. 37.A car goes 204 km on 12 litres of petrol. How far can it go on 7 litres (in km)?
38. 38.A car goes 98 km on 7 litres of petrol. How far can it go on 31 litres (in km)?
39. 39.A car goes 154 km on 7 litres of petrol. How far can it go on 37 litres (in km)?
40. 40.A car goes 138 km on 6 litres of petrol. How far can it go on 21 litres (in km)?

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