Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 75 · 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 14 days. How many days would 8 painters take, working at the same speed?
2. 2.A car goes 220 km on 10 litres of petrol. How far can it go on 29 litres (in km)?
3. 3.A car goes 68 km on 4 litres of petrol. How far can it go on 3 litres (in km)?
4. 4.If 6 notebooks cost ₹306, how much do 11 notebooks cost (in ₹)?
5. 5.If 4 bottles of juice cost ₹72, how much do 18 bottles of juice cost (in ₹)?
6. 6.If 5 pens cost ₹280, how much do 16 pens cost (in ₹)?
7. 7.If 7 pens cost ₹56, how much do 20 pens cost (in ₹)?
8. 8.A car goes 36 km on 3 litres of petrol. How far can it go on 27 litres (in km)?
9. 9.A car goes 22 km on 2 litres of petrol. How far can it go on 31 litres (in km)?
10. 10.A car goes 204 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
11. 11.If 3 kg of rice costs ₹168, how many kg can you buy for ₹280?
12. 12.A hostel has enough food for 3 students for 27 days. How many days will the same food last for 9 students?
13. 13.8 painters can paint a school in 6 days. How many days would 4 painters take, working at the same speed?
14. 14.If 7 kg of rice costs ₹574, how many kg can you buy for ₹738?
15. 15.A hostel has enough food for 3 students for 25 days. How many days will the same food last for 15 students?
16. 16.A car goes 34 km on 2 litres of petrol. How far can it go on 35 litres (in km)?
17. 17.4 painters can paint a school in 28 days. How many days would 8 painters take, working at the same speed?
18. 18.A car goes 108 km on 9 litres of petrol. How far can it go on 36 litres (in km)?
19. 19.A car goes 180 km on 12 litres of petrol. How far can it go on 19 litres (in km)?
20. 20.If 6 bottles of juice cost ₹90, how much do 5 bottles of juice cost (in ₹)?
21. 21.If 5 kg of rice costs ₹130, how many kg can you buy for ₹312?
22. 22.A car goes 121 km on 11 litres of petrol. How far can it go on 5 litres (in km)?
23. 23.5 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
24. 24.8 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
25. 25.A hostel has enough food for 5 students for 28 days. How many days will the same food last for 4 students?
26. 26.A car goes 24 km on 2 litres of petrol. How far can it go on 12 litres (in km)?
27. 27.If 6 pens cost ₹144, how much do 17 pens cost (in ₹)?
28. 28.A hostel has enough food for 7 students for 5 days. How many days will the same food last for 5 students?
29. 29.If 5 cricket balls cost ₹210, how much do 11 cricket balls cost (in ₹)?
30. 30.A hostel has enough food for 11 students for 26 days. How many days will the same food last for 13 students?
31. 31.A car goes 88 km on 11 litres of petrol. How far can it go on 12 litres (in km)?
32. 32.A car goes 91 km on 7 litres of petrol. How far can it go on 40 litres (in km)?
33. 33.A car goes 170 km on 10 litres of petrol. How far can it go on 3 litres (in km)?
34. 34.If 3 pencil boxes cost ₹60, how much do 4 pencil boxes cost (in ₹)?
35. 35.If 3 kg of rice costs ₹183, how many kg can you buy for ₹366?
36. 36.If 7 notebooks cost ₹399, how much do 17 notebooks cost (in ₹)?
37. 37.A hostel has enough food for 12 students for 28 days. How many days will the same food last for 8 students?
38. 38.A car goes 99 km on 9 litres of petrol. How far can it go on 13 litres (in km)?
39. 39.A hostel has enough food for 9 students for 22 days. How many days will the same food last for 6 students?
40. 40.A car goes 184 km on 8 litres of petrol. How far can it go on 36 litres (in km)?

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