Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 534 · 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 16 km on 2 litres of petrol. How far can it go on 30 litres (in km)?
2. 2.A hostel has enough food for 12 students for 27 days. How many days will the same food last for 6 students?
3. 3.8 painters can paint a school in 19 days. How many days would 4 painters take, working at the same speed?
4. 4.If 2 kg of rice costs ₹98, how many kg can you buy for ₹147?
5. 5.If 10 pencil boxes cost ₹530, how much do 3 pencil boxes cost (in ₹)?
6. 6.If 3 kg of rice costs ₹153, how many kg can you buy for ₹612?
7. 7.A hostel has enough food for 3 students for 13 days. How many days will the same food last for 13 students?
8. 8.If 4 erasers cost ₹28, how much do 14 erasers cost (in ₹)?
9. 9.12 painters can paint a school in 6 days. How many days would 18 painters take, working at the same speed?
10. 10.If 2 kg of rice costs ₹50, how many kg can you buy for ₹350?
11. 11.If 6 kg of rice costs ₹186, how many kg can you buy for ₹93?
12. 12.A car goes 30 km on 2 litres of petrol. How far can it go on 16 litres (in km)?
13. 13.If 7 kg of rice costs ₹616, how many kg can you buy for ₹880?
14. 14.If 6 kg of rice costs ₹276, how many kg can you buy for ₹184?
15. 15.A car goes 40 km on 2 litres of petrol. How far can it go on 32 litres (in km)?
16. 16.If 6 pens cost ₹252, how much do 11 pens cost (in ₹)?
17. 17.If 6 bottles of juice cost ₹48, how much do 8 bottles of juice cost (in ₹)?
18. 18.A car goes 80 km on 4 litres of petrol. How far can it go on 8 litres (in km)?
19. 19.If 12 kites cost ₹720, how much do 5 kites cost (in ₹)?
20. 20.If 3 kg of rice costs ₹198, how many kg can you buy for ₹594?
21. 21.6 painters can paint a school in 26 days. How many days would 4 painters take, working at the same speed?
22. 22.A hostel has enough food for 10 students for 4 days. How many days will the same food last for 5 students?
23. 23.A hostel has enough food for 9 students for 4 days. How many days will the same food last for 3 students?
24. 24.A hostel has enough food for 5 students for 15 days. How many days will the same food last for 15 students?
25. 25.A hostel has enough food for 11 students for 12 days. How many days will the same food last for 4 students?
26. 26.A car goes 40 km on 5 litres of petrol. How far can it go on 7 litres (in km)?
27. 27.If 7 kg of rice costs ₹343, how many kg can you buy for ₹490?
28. 28.2 painters can paint a school in 22 days. How many days would 11 painters take, working at the same speed?
29. 29.If 8 kites cost ₹72, how much do 6 kites cost (in ₹)?
30. 30.A hostel has enough food for 8 students for 20 days. How many days will the same food last for 5 students?
31. 31.If 4 pencil boxes cost ₹164, how much do 2 pencil boxes cost (in ₹)?
32. 32.If 3 pens cost ₹84, how much do 19 pens cost (in ₹)?
33. 33.If 5 kg of rice costs ₹250, how many kg can you buy for ₹750?
34. 34.A hostel has enough food for 11 students for 16 days. How many days will the same food last for 8 students?
35. 35.If 2 mangoes cost ₹46, how much do 8 mangoes cost (in ₹)?
36. 36.If 5 mangoes cost ₹20, how much do 4 mangoes cost (in ₹)?
37. 37.10 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
38. 38.If 5 notebooks cost ₹145, how much do 6 notebooks cost (in ₹)?
39. 39.2 painters can paint a school in 10 days. How many days would 10 painters take, working at the same speed?
40. 40.If 4 kg of rice costs ₹80, how many kg can you buy for ₹120?

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