Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 394 · 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. 1.12 painters can paint a school in 6 days. How many days would 9 painters take, working at the same speed?
2. 2.If 6 kg of rice costs ₹420, how many kg can you buy for ₹700?
3. 3.A hostel has enough food for 6 students for 22 days. How many days will the same food last for 22 students?
4. 4.A car goes 55 km on 5 litres of petrol. How far can it go on 27 litres (in km)?
5. 5.7 painters can paint a school in 18 days. How many days would 21 painters take, working at the same speed?
6. 6.If 8 bottles of juice cost ₹24, how much do 10 bottles of juice cost (in ₹)?
7. 7.11 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
8. 8.If 5 kg of rice costs ₹115, how many kg can you buy for ₹345?
9. 9.If 3 kg of rice costs ₹81, how many kg can you buy for ₹108?
10. 10.If 4 pencil boxes cost ₹184, how much do 18 pencil boxes cost (in ₹)?
11. 11.A car goes 96 km on 4 litres of petrol. How far can it go on 34 litres (in km)?
12. 12.A hostel has enough food for 12 students for 25 days. How many days will the same food last for 5 students?
13. 13.If 7 erasers cost ₹406, how much do 5 erasers cost (in ₹)?
14. 14.If 8 kg of rice costs ₹312, how many kg can you buy for ₹156?
15. 15.A car goes 24 km on 2 litres of petrol. How far can it go on 25 litres (in km)?
16. 16.If 3 kg of rice costs ₹84, how many kg can you buy for ₹364?
17. 17.2 painters can paint a school in 30 days. How many days would 3 painters take, working at the same speed?
18. 18.If 9 kg of rice costs ₹504, how many kg can you buy for ₹840?
19. 19.If 5 pencil boxes cost ₹145, how much do 6 pencil boxes cost (in ₹)?
20. 20.5 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
21. 21.If 3 kg of rice costs ₹195, how many kg can you buy for ₹520?
22. 22.If 5 kg of rice costs ₹375, how many kg can you buy for ₹300?
23. 23.If 9 kg of rice costs ₹441, how many kg can you buy for ₹588?
24. 24.A car goes 120 km on 8 litres of petrol. How far can it go on 39 litres (in km)?
25. 25.A hostel has enough food for 2 students for 7 days. How many days will the same food last for 7 students?
26. 26.If 12 bottles of juice cost ₹672, how much do 19 bottles of juice cost (in ₹)?
27. 27.10 painters can paint a school in 11 days. How many days would 2 painters take, working at the same speed?
28. 28.A car goes 98 km on 7 litres of petrol. How far can it go on 14 litres (in km)?
29. 29.If 10 bottles of juice cost ₹550, how much do 5 bottles of juice cost (in ₹)?
30. 30.If 7 bottles of juice cost ₹119, how much do 6 bottles of juice cost (in ₹)?
31. 31.If 2 kg of rice costs ₹168, how many kg can you buy for ₹672?
32. 32.If 9 bottles of juice cost ₹423, how much do 20 bottles of juice cost (in ₹)?
33. 33.If 5 kg of rice costs ₹200, how many kg can you buy for ₹560?
34. 34.9 painters can paint a school in 19 days. How many days would 3 painters take, working at the same speed?
35. 35.A car goes 126 km on 7 litres of petrol. How far can it go on 3 litres (in km)?
36. 36.If 6 kg of rice costs ₹480, how many kg can you buy for ₹800?
37. 37.A car goes 20 km on 2 litres of petrol. How far can it go on 37 litres (in km)?
38. 38.If 3 cricket balls cost ₹108, how much do 12 cricket balls cost (in ₹)?
39. 39.If 3 notebooks cost ₹156, how much do 6 notebooks cost (in ₹)?
40. 40.A car goes 176 km on 11 litres of petrol. How far can it go on 9 litres (in km)?

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